Contributed presentations

Some contributed presentations

– Presentation at the 2023 CPS Fall Meeting; Ningxia University in Yinchuan, Ningxia, China, August 17–20, 2023; ”Novel exchange interactions between electric dipoles in hafnia” Longju Yu, Hong Jian Zhao, Peng Chen, Laurent Bellaiche, and Yanming Ma.

– Presentation at the 2023 MRS Fall Meeting; Boston, MA, November 26-December 01, 2023; ”Novel magnetic topological phases in BFO: a computational approach” Tiziana Musso, Bin Xu, Yousra Nahas, Sergei Prokhorenko, Daniel Sando, Nagarajan Valanoor and Laurent Bellaiche.

– Presentation at the 2023 MRS Fall Meeting; Boston, MA, November 26-December 01, 2023; ”Oxygen-displacement-induced polarization and incommensurate tilt patterns in strained sodium niobate thin films,” Harikrishnan K.P, Kevin J. Crust, Aarushi Khandelwal, Kinnary Patel, Sukriti Mantri, Sergey Prosandeev, Ruijuan Xu, Yu-Tsun Shao, Laurent Bellaiche, Harold Y. Hwang, David A. Muller.

– Presentation at the 2023 ISAF-ISIF-PFM; Cleveland, USA, July 23-27, 2023; ”Relaxor-based memcapacitors for neuromorphic computing,” L. Cheng, J. Liu, N. Guiblin, O. Ibder, P. Gemeiner, A. Bradesko, H. Bouyanfif, S. Prosandeev, L. Bellaiche, M. Otonicar, B.B. Tian, and B. Dkhil.

– Presentation at the 2023 ISAF-ISIF-PFM; Cleveland, USA, July 23-27, 2023; ”Size-Induced Ferroelectricity in Antiferroelectric Oxide Membranes” Ruijuan Xu.

– Presentation at the 2023 ISAF-ISIF-PFM; Cleveland, USA, July 23-27, 2023; ”Electric Field Induced Movement of Polar Topological Defect in Epitaxially Strained BiFeO3 Thin Film,” Sukriti Manti, Sergei Prokhorenko, Yousra Nahas and Laurent Bellaiche.

– Presentation at the 2023 Chinese Materials Conference; Shenzhen, Guangdong Province, China, July 7-10, 2023; ”The anti-symmetric and anisotropic symmetric exchange interactions between electric dipoles in hafnia,” Longju Yu, Hong Jian Zhao, Peng Chen, Laurent Bellaiche and Yanming Ma.

Poster at the 20th International Microscopy Congress (IMC); Busan, Korea; September 10-15, 2023; ”Unveiling Topological Polar Structures in Ferroelectric Nanoparticles via Atomic Electron Tomography,” Jeong, Chaehwa, Lee, Juhyeok, Jo, Hyesung, Oh, Jaewhan, Baik, Hionsuck, Ko, Kyoungjun, Son, Junwoo, Choi, Si-Young, Prosandeev, Sergey, Bellaiche, Laurent and Yang, Yongsoo.

– Presentation at the CMD30 FisMat 2023; Milano, Italy, September 4-8, 2023; ”Effect of an electric field on ferroelectric and piezoelectric properties of the brownmillerite Ca2Al2O5,” Remi Arras, Charles Paillard and Laurent Bellaiche.

Presentation at IMF-2023 (the 15th International Meeting on ferroelectricity); Tel-Aviv, Israel, March 26-30, 2023; ”Controlling properties of PbTiO3/SrTiO3 superlattices by photo-excited carriers,” Carmel Dansou, Charles Paillard and Laurent Bellaiche.

– Presentation at IMF-2023 (the 15th International Meeting on ferroelectricity); Tel-Aviv, Israel, March 26-30, 2023; ”Dynamics of polar vortex crystal formation in ultra-thin ferroelectrics,” Suyash Rijal, Yousra Nahas, Sergei Prokhorenko and Laurent Bellaiche.

– 243) Presentation at IMF-2023 (the 15th International Meeting on ferroelectricity); Tel-Aviv, Israel, March 26-30, 2023; ”Ferroelectric phase transitions in epitaxial antiferroelectric PbZrO3 thin films,” Pauline Dufour, Thomas Maroutian, Maxime Vallet, Kinnary Patel, Andr\’e Chanthbouala, Charlotte Jacquemont, Lluis Yedra, Vincent Humbert, Florian Godel, Bin Xu, Sergey Prosandeev, Laurent Bellaiche, Mojca Otonicar, St\’ephane Fusil, Brahim Dkhil, Vincent Garcia.

– Presentation at the International Microscopy Congress (IMC20); Busan, Korea, 10-15 September, 2023; ”A frustrated phase transition order near a tricritical point in ferroelectric Pb(Zr,Ti)O3,” Xian-Kui Wei, Sergei Prokhorenko, Bi-Xia Wang, Zenghui Liu, Yu-Juan Xie, Yousra Nahas, Laurent Bellaiche, Zuo-Guang Ye and Joachim Mayer.

– Poster at the 2023 APS March Meeting; Las Vegas, Nevada, March 05-10, 2022; ”Electric Dzyaloshinskii-Moriya Interaction: its existence and electronic origin,” Peng Chen, Hongjian Zhao, Sergey Prosandeev, Sergey Artyukhin and Laurent Bellaiche.

– Presentation at the 2023 APS March Meeting; Las Vegas, Nevada, March 05-10, 2022; ”Controlling properties of PbTiO3/SrTiO3 superlattices by photo-excited carriers,” Carmel Dansou, Charles Paillard and Laurent Bellaiche.

– Presentation at the 2023 APS March Meeting; Las Vegas, Nevada, March 05-10, 2022; ”Light-Assisted Creation and Control of Novel Ferroelectric Phases,” Peng Chen, Charles Paillard, Changsong Xu, Hongjian Zhao, Jorge Iniguez, Yousra Nahas, Sergei Prokhorenko and Laurent Bellaiche.

– Presentation at the 2023 APS March Meeting; Las Vegas, Nevada, March 05-10, 2022; ”Creation and control of dynamical ferroelectric skyrmions via orbital angular momentum of light,” Lingyuan Gao, Sergei Prokhorenko, Yousra Nahas and Laurent Bellaiche.

– Presentation at the 2023 APS March Meeting; Las Vegas, Nevada, March 05-10, 2022; ”Long-lived THz-induced birefringent state in quantum paraelectric KTaO3,” Diyar Talbayev, Xiaojiang Li, Peisong Peng, Hichem Dammak, Gr\’egory Geneste, Alireza Akbarzadeh, Sergey Prosandeev and Laurent Bellaiche.

– Poster at the Fundamental Physics of Ferroelectrics 2023; Golden, CO; February 5-8, 2023; ”Electric Field induced movement of polar topological defect in epitaxially strained BiFeO3 thin film,” Sukriti Mantri.

– Poster at the Fundamental Physics of Ferroelectrics 2023; Golden, CO; February 5-8, 2023; ”Impact of photo-excited carriers on strained BiFeO3 films: an ab-initio study,” Carmel Dansou.

– Poster at the GDR MEETICC topical meeting “From quantum matter to functional materials”; Paris, France, January 24-25, 2023; “Controlling the crystallographic phases in brownmillerite oxide Ca2Al2O5 by applying an electric field,” Remi Arras, Charles Paillard and Laurent Bellaiche.

– Presentation at the 2023 MRS Spring Meeting; San Francisco, California, April 10-14, 2023; ”From bound to topological charges in ferroelectric flatlands,” Sergei Prokhorenko, Yousra Nahas and Laurent Bellaiche.

– Presentation at the 2023 MRS Spring Meeting; San Francisco, California, April 10-14, 2023; ”New methods for imaging polar topological textures in oxide heterostructures,” Yu-Tsun Shao, Sergei Prokhorenko, Lucas Caretta, Yousra Nahas, Sujit Das, Zijian Hong, Ruijuan Xu, Fernando Gomez-Ortiz, Pablo Garcia-Fernandez, Long-Qing Chen, Harold Y. Hwang, Javier Junquera, Lane W. Martin, Laurent Bellaiche, Darrell G. Schlom, Ramamoorthy Ramesh and David A. Muller.

– Poster at the 13th APCT workshop on multiferroics; Southeast University, Nanjing, China; October 10-13, 2022; ”Origin of negative electrocaloric effect in Pnma-type antiferroelectric perovskite,” Ningbo Fan, Jorge Íñiguez, Laurent Bellaiche and Bin Xu.

– Presentation at the Microscopy Conference; Darmstadt Germany; February 26- March 02, 2023; ”Phase-transition frustration in tricritical ferroelectric Pb(Zr,Ti)O3,” Xian-Kui Wei, Sergei Prokhorenko, Bi-Xia Wang, Zenghui Liu, Yu-Juan Xie, Yousra Nahas, Laurent Bellaiche, Zuo-Guang Ye and Joachim Mayer.

– Presentation at the Virtual 2022 MRS Spring Meeting; Honolulu, HI, May 23-25, 2022; ”From Vortex Labyrinths to Polar Bubbles — A Mean-Field Perspective,” Sergei Prokhorenko.

– Presentation at the Virtual 2022 MRS Spring Meeting; Honolulu, HI, May 23-25, 2022; ”Topology and Control of Ferroelectric Patterning,” Yousra Nahas.

– Poster at the Fundamental Physics of Ferroelectrics 2022, February 6-9, 2022; ”Quantum effects on electrical topological defects in ultra-thin ferroelectric films,” Wei Luo.

– Poster at the Fundamental Physics of Ferroelectrics 2022, February 6-9, 2022; ”Light-induced Electric Polarization in Hybrid Improper Ferroelectrics,” Lingyuan Gao.

– Poster at the Fundamental Physics of Ferroelectrics 2022, February 6-9, 2022; ”Effect of light on properties of ferroelectrics superlattices: an ab-initio study,” Carmel Dansou.

– Presentation at the 2022-ISAF conference; Tours, France, June 27- July 01, 2022; ”Effect of light on properties of ferroelectrics superlattices: an ab-initio study,” Carmel Dansou, Charles Paillard, Laurent Bellaiche.

– Presentation at the 2022 CLEO conference; San Jose, California, USA; May 15-20, 2022; ”Long-lived THz-induced birefringent state in quantum paraelectric KTaO3,” Xiaojiang Li, Peisong Peng, Sergey Prosandeev, L. Bellaiche and Diyar Talbayev.

– Presentation at the 2022 MRS Spring Meeting; Honolulu, HI, May 08-13, 2022; ”Structural ripples and nanoscale bubble domains in a freestanding ultrathin ferroelectric-dielectric- ferroelectric heterostructure,” Saidur Rahman Bakaul, Sergei Prokhorenko, Qi Zhang, Yousra Nahas, Amanda Petford-Long, Laurent Bellaiche and Nagarajan Valanoor.

– Presentation at the 2022 APS March Meeting; Chicago, IL, March 08-13, 2022; ”Freestanding ferroelectric bubble domains,” Sergei Prokhorenko, Saidur Rahman Bakaul, Qi Zhang, Yousra Nahas, Yushi Hu, Amanda Petford-Long, Laurent Bellaiche and Nagarajan Valanoor.

– Presentation at the 2022 APS March Meeting; Chicago, IL, March 08-13, 2022; ”Topology and control of self-assembled domain patterns in low-dimensional ferroelectric,” Yousra Nahas, Sergei Prokhorenko, Qi Zhang, Vivasha Govinden, Nagarajan Valanoor, Laurent Bellaiche.

– Presentation at the 2022 APS March Meeting; Chicago, IL, March 08-13, 2022; ”Domain-wall-induced electromagnons in magnetoelectric materials,” S. Omid Sayedaghaee, Charles Paillard, Sergey Prosandeev, Bin Xu, Sergei Prokhorenko, Yousra Nahas, and Laurent Bellaiche.

– Presentation at the 2022 APS March Meeting; Chicago, IL, March 08-13, 2022; ”light-induced electric polarization in hybrid improper ferroelectrics,” Lingyaun Gao, Charles Paillard and L. Bellaiche.

– Presentation at the 2022 APS March Meeting; Chicago, IL, March 08-13, 2022; ”Magnetization compensation temperature and frustration-induced topological defects in ferrimagnetic anti-perovskites,” Temuujin Bayaraa, Changsong Xu, L. Bellaiche, and Sinead Griffin.

– Presentation at the 2021 MRS Fall Meeting; Boston, MA, November 29 -December 2 and December 6-8 (online), 2021; ”Freestanding Ferroelectric bubble domains,” Saidur Rahman Bakaul, Sergei Prokhorenko, Qi Zhang, Yousra Nahas, Amanda Petford-Long, Laurent Bellaiche and Nagarajan Valanoor.

– Poster at the (virtual) DPG Autumn Meeting of the Surface Science Division; September 27- October 01, 2021; ”Influence of strain on the magnetic ground state in multiferroic BiFeO3 studied from First Principles,” Sebastian Meyer, Bin Xu, Matthieu J. Verstraete, Laurent Bellaiche, and Bertrand Dupé.

– Presentation at the 2021 JMC17; Rennes, France, August 24-27, 2021 ”Tuning the spin-orbit-dependent electronic structure by applying epitaxial strain on ferroelectric PbTiO3,” J. Gosteau, R Arras, P. Chen, H. J. Zhao, C. Paillard and L. Bellaiche.

– Presentation at the 2021 JMC17; Rennes, France, August 24-27, 2021 ”Spin-polarized electronic states and atomic reconstructions at the antiperovskite Sr3SnO (001) polar surfaces,” R Arras, J. Gosteau, D. Huang, H. Nakamura, H. J. Zhao, C. Paillard and L. Bellaiche.

– Presentation at the 2021 Microscopy & Microanalysis meeting; Pittsburgh, PA, August 1-5, 2021; ”Probing the dynamics of ferroelectric topological oscillators with the electron beam,” Yu-Tsun Shao, Yousra Nahas, Prokhorenko Sergei, Sujit Das, Ruijuan Xu, Swathi Chandrika, Harikrishnan K. P., Harold Y. Hwang, Ramamoorthy Ramesh, Laurent Bellaiche, and David A. Muller.

– Poster at the 32nd Annual Workshop 2021 Fundamental Physics of Ferroelectrics, February 1-3, 2021; ”Properties of (001) NaNbO3 Films Under Epitaxial Strain: A First- principles Study,” Kinnary Patel.

– Presentation at the 32nd Annual Workshop 2021 Fundamental Physics of Ferroelectrics, February 1-3, 2021; ”Electric-field Switching of Magnetic Topological Charge in Type-I Multiferroics,” Changsong Xu.

– Poster at the (virtual) DPG Spring Meeting of the Surface Science Division; March 01-04, 2021; ”First-principles study of spin spirals in the multiferroic BiFeO3,” Sebastian Meyer, Bin Xu, Matthieu J. Verstraete, Laurent Bellaiche, and Bertrand Dupé.

– Presentation at the 2021-ISAF (virtual) conference; Sydney, Australia, May 16-20, 2021; ”Freestanding ultrathin ferroelectric – dielectric – ferroelectric heterostructure,” Saidur Bakaul, Yushi Hu, Qi Zhang, Sergei Prokhorenko, Yousra Nahas,, Laurent Bellaiche, Amanda Petford-Long and Nagarajan Valanoor.

– Presentation at the Magnetism and Magnetic Materials (MMM) 2020 Virtual conference; November 2-6 2020; ”Magnetic-Domain-Wall-Induced Electrical Polarization in Rare-Earth Iron Garnet Systems: a First-Principle Study,” T. Bayaraa, C. Xu, Y. Yang, H. Xiang and L. Bellaiche.

– Presentation at the Magnetism and Magnetic Materials (MMM) 2020 Virtual conference; November 2-6 2020; ”The role of electroacoustic magnons in enhancing magneto electric responses,” S. Omid Sayedaghaee, Charles Paillard, Sergey Prosandeev, Bin Xu and Laurent Bellaiche.

– Presentation at the Magnetism and Magnetic Materials (MMM) 2020 Virtual conference; November 2-6 2020; ”Rashba-like spin-orbit coupling in the strained ferroelectric PbTiO3,” J. Gosteau, R. Arras, C. Paillard, H.J. Zhao and L. Bellaiche.

– Presentation at the JEMS 2020 conference; Lisbon, Portugal, July 27-31 2020; ”Rashba-like spin-orbit coupling in PbTiO3,” J. Gosteau, R. Arras, H.J. Zhao, C. Paillard, Y. Yang and L. Bellaiche.

– Presentation at the 2020 IEEE 20th International Conference on Nanotechnology (IEEE-NANO) (IEEE-NANO 2020); Montreal, Canada, July 29-31, 2020; ”Nanoscale domain transitions in ultrathin lead zirconate titanate heterostructures,” Qi Zhang, Vivasha Govinden, Qi Zhang, Yousra Nahas, Sergei Prokhorenko, Laurent Bellaiche, Nagarajan Valanoor.

– Poster at the 2020 Workshop on Fundamental Physics of Ferroelectrics and related materials; Silver Spring, MD, January 26-January 29, 2020; “Ferroelectrics with novel spin textures and giant spin splittings,” Hong Jian Zhao.

– Poster at the 2020 Workshop on Fundamental Physics of Ferroelectrics and related materials; Silver Spring, MD, January 26-January 29, 2020; “Tuning Magnetic Interaction and Phases in 2D-CrGeTe3 system via the application of Uniaxial Strain,” Suyash Rijal.

– Poster at the 2020 Workshop on Fundamental Physics of Ferroelectrics and related materials; Silver Spring, MD, January 26-January 29, 2020; “Finite Temperature Magnetic Properties of Rare Earth – Iron Garnets,” Davis Campbell.

– Poster at the 2020 Workshop on Fundamental Physics of Ferroelectrics and related materials; Silver Spring, MD, January 26-January 29, 2020; “Tuning magnetization compensation and Curie temperatures in epitaxial rare-earth iron garnet films,” Temuujin Bayaraa.

– Poster at the Industrial Advisory Board of microEP; Fayetteville, Arkansas, November 12, 2018;
“Novel Dynamical Magnetoelectric Effects in BiFeO₃: A Molecular Dynamics Study,” Omid Sayedaghaee, Sergey Prosandeev, Bin Xu, Charles Paillard and Laurent Bellaiche.

– Presentation at CAMS2018; Wollongong, Australia November 27-29, 2018;
“Scaling behavior of the spin cycloid in BiFeO₃ films” S.R. Burns, D. Sando, B. Xu, B. Dupé, L. Russell, R. Clements, G. Deng, J. Seidel, L. Bellaiche, N. Valanoor, and C. Ulrich.

– Presentation at ICM2018; Changsha, China, May 27-29, 2018;
“Meta-screening in doped ferroelectrics,” Hongjian Zhao, Alessio Filippetti, Carlos Escorihuela-Sayalero, Pietro Delugas, Enric Canadell, Laurent Bellaiche, Vincenzo Fiorentini and Jorge Íñiguez.

– Presentation at the 2018 APS March Meeting; Los Angeles, CA, March 5-9, 2018; “Designing Lead-Free Antiferroelectrics for Energy Storage,” Bin Xu, Jorge Íñiguez and Laurent Bellaiche.

– Presentation at the 2018 APS March Meeting; Los Angeles, CA, March 5-9, 2018;
“Designing switchable room-temperature multiferroics via the discovery of a novel magneto-electric coupling,” Hongjun Xiang, Feng Jun Sheng, Ke Xu and Laurent Bellaiche.

– Presentation at the 2018 APS March Meeting; Los Angeles, CA, March 5-9, 2018;
“Scaling behavior of the spin cycloid in BiFeO3 films,” Valanoor Nagarajan, Stuart Burns, Daniel Sando, Bin Xu, Lachlan Russell, Guochu Deng, Jan Seidel, Laurent Bellaiche and Clemens Ulrich.

– Poster at the 2018 APS March Meeting; Los Angeles, CA, March 5-9, 2018;
“Why is NaNbO3 the most complicated perovskite structure?,’‘ Yali Yang, Laurent Bellaiche and Wei Ren.

– Presentation at the 2018 APS March Meeting; Los Angeles, CA, March 5-9, 2018;
“Microscopic origins of the large piezoelectricity of lead-free (Ba,Ca)(Zr,Ti)O3,” Yousra Nahas, Alireza Akbarzadeh, Sergei Prokhorenko, Sergey Prosandeev, Raymond Walter, Igor Kornev, Jorge Íñiguez and Laurent Bellaiche.

– Presentation at the 2018 APS March Meeting; Los Angeles, CA, March 5-9, 2018;
“Intrinsic Origin of Enhancement of Ferroelectricity in SnTe Thin Films,” Kai Liu, Jinlian Lu, Sheng, Silvia Picozzi, Laurent Bellaiche and Hongjun Xiang.

– Presentation at the 2018 APS March Meeting; Los Angeles, CA, March 5-9, 2018;
``Interplay between Kitaev Interaction and Single Ion Anisotropy in Ferromagnetic CrI3 and CrGeTe3 Monolayers,’‘ Changsong Xu, Feng Jun Sheng, Hongjun Xiang and Laurent Bellaiche.

– Presentation at the 2018 APS March Meeting; Los Angeles, CA, March 5-9, 2018;
``Hybrid Monte Carlo simulations of finite-temperature properties of solids,” Sergei Prokhorenko, Kruz Kalke, Yousra Nahas and Laurent Bellaiche.

– Poster at the 2018 Workshop on Fundamental Physics of Ferroelectrics; Washington, D.C., January 28- January 31, 2018;
“Quadratic magnetoelectric effect in BiFeO3: a molecular dynamics study,” S Sayedaghaee.

– Poster at the 2018 Workshop on Fundamental Physics of Ferroelectrics; Washington, D.C., January 28- January 31, 2018; “Magnetoelectric coupling in epitaxial Sr_0.5Ba_0.5MnO₃ films,” T Bayaraa.

– Presentation at the 2018 ISAF-FMA-AMF-AMEC-PFM (IFAAP) Joint Conference; Hiroshima, Japan, May 27-June 01, 2018; “Experimental and first principles investigation of ordered-PSN,” P.E. Janolin, C. Cochard, S. Grenier, A. Bataille, P. Nukala, T. Roisnel, L. Bellaiche, H. Xiang, Y. Yang, E. Suard, W. Ren, J.M. Kiat and Z.G. Ye.

– Presentation at CIMTEC-2018; Perugia, Italy, June 04-14, 2018; “Marrying ferroelectricity and metallicity: it’s complicated,” V. Fiorentini, A. Filippetti, F. Ricci, A. Urru, P. Delugas, J. Iniguez, H. J. Zhao, C. Escorihuela Sayalero, E. Canadell, L. Bellaiche.

– Presentation at the “Joint Meeting of the Condensed Matter Division of the European Physical Society and the Condensed Matter Section (SKM) of the German Physical Society (DPG)”; Berlin, Germany, March 11-16, 2018; “Screening in metallized ferroelectrics,” Hong Jian Zhao, Alessio Filippetti, Carlos Escorihuela-Sayalero, Pietro Delugas, Enric Canadell, L. Bellaiche, Vincenzo Fiorentini and Jorge Iniguez.

– Poster at the Industrial Advisory Board of microEP; Fayetteville, Arkansas, October 02, 2017; “The effect of time-dependent magnetic field on electrical polarization in bismuth ferrite,” S. Omid Sayedaghaee, Sergey Prosandeev, Bin Xu, Charles Paillard, Laurent Bellaiche.

– Presentation at IMF-2017; San Antonio, Texas, September 04-08, 2017; “Lattice dynamics and dielectric relaxation in PbMg_1/3Nb_2/3O₃ relaxor from atomistic simulations,” Alexei Bokov, Sergey Prosandeev, Dawei Wang, Zuo-Guang Ye, Laurent Bellaiche.

– Presentation at IMF-2017; San Antonio, Texas, September 04-08, 2017; “Electrical control and temperature tuning of chiral phases in electrotoroidic nanocomposites,” Raymond Walter, Sergei Prokhorenko, Zhigang Gui, Yousra Nahas, Lin-Wang Wang, Laurent Bellaiche.

– Presentation at IMF-2017; San Antonio, Texas, September 04-08, 2017; “The effect of time-dependent magnetic field on electrical polarization in bismuth ferrite,” S. Omid Sayedaghaee, Sergey Prosandeev, Bin Xu, Charles Paillard, Laurent Bellaiche.

– Poster at IMF-2017; San Antonio, Texas, September 04-08, 2017; “Magnetoelectric properties of epitaxial Sr0.5Ba_0.5MnO₃ films,” Temuujin Bayaraa, Yurong Yang, Jorge Iniguez, Laurent Bellaiche.

– Presentation at IMF-2017; San Antonio, Texas, September 04-08, 2017; “Designing lead-free antiferroelectrics for energy storage,” Bin Xu, Jorge Iniguez, Laurent Bellaiche.

– Presentation at IMF-2017; San Antonio, Texas, September 04-08, 2017; “Microscopic origins of the large piezoelectricity of lead-free (Ba,Ca)(Zr,Ti)O₃,” Yousra Nahas, Alireza Akbarzadeh, Sergei Prokhorenko, Sergey Prosandeev, Raymond Walter, Igor Kornev, Jorge Iniguez, Laurent Bellaiche.

– Presentation at IMF-2017; San Antonio, Texas, September 04-08, 2017; “Tuning optical responses with strain in multiferroelectrics and ferroelectrics,” Yurong Yang, Daniel Sando, Lan Chen, Xiangkang Meng, Agnes Barthelemy, Manuel Bibes, Eric Bousquet, Philippe Ghosez, Laurent Bellaiche.

– Poster at IMF-2017; San Antonio, Texas, September 04-08, 2017; “Electrocaloric effects in the lead-free Ba(Zr,Ti)O₃ relaxor ferroelectric from atomistic simulations,” Kinnary Patel, Sergey Prosandeev, Yurong Yang, Bin Xu, Jorge Iniguez, Laurent Bellaiche.

– Poster at IMF-2017; San Antonio, Texas, September 04-08, 2017; “Electrocaloric effects in the lead-free Ba(Zr,Ti)O3 relaxor ferroelectric from atomistic simulations,” Zhijun Jiang, Sergei Prokhorenko, Sergey Prosandeev, Yousra Nahas, Dawei Wang, Jorge Iniguez, Emmanuel Defay, Laurent Bellaiche.

– Presentation at IMF-2017; San Antonio, Texas, September 04-08, 2017; “Artificial synapses with ferroelectric tunnel junctions,” Soren Boyn, Gwendal Lecerf, Bin Xu, Stephane Fusil, Laurent Bellaiche, Agnes Barthelemy, Manuel Bibes, Sylvain Saighi, Julie Grollier, Vincent Garcia.

– Presentation at IMF-2017; San Antonio, Texas, September 04-08, 2017; “First-principle prediction of novel multiferroic phases in epitaxial (111) BiFeO3 films,” Changsong Xu, Hongjun Xiang , Laurent Bellaiche.

– Presentation at IMF-2017; San Antonio, Texas, September 04-08, 2017; “Fluctuations and topological defects in proper ferroelectrics,” Sergei Prokhorenko, Yousra Nahas, Laurent Bellaiche.

– Presentation at IMF-2017; San Antonio, Texas, September 04-08, 2017; “Modelling the photostriction of ferroelectric materials from first-principles,”Charles Paillard, Bin Xu, Gregory Geneste, Brahim Dkhil, Laurent Bellaiche.

– Presentation at the International conference on Statistical Physics SigmaPhi2017; Corfu, Greece, July 06- July 14, 2017; “Fluctuations and topological defects in proper ferroelectrics,” S. Prokhorenko, Y. Nahas and L. Bellaiche.

– Presentation at the International conference on Statistical Physics SigmaPhi2017; Corfu, Greece, July 06- July 14, 2017; “Emergent BKT phase in low-dimensional ferroelectrics,” Y. Nahas, S. Prokhorenko, I. Kornev and L. Bellaiche.

– Poster at the Physics and Mathematics of Nonlinear Phenomena PMNP2017; Gallipoli, Italy, June 17- June 24, 2017; “Fluctuations and topological defects in proper ferroelectrics,” S. Prokhorenko, Y. Nahas and L. Bellaiche.

– Poster at the Physics and Mathematics of Nonlinear Phenomena PMNP2017; Gallipoli, Italy, June 17- June 24, 2017; “Emergent BKT phase in low-dimensional ferroelectrics,” Y. Nahas, S. Prokhorenko, I. Kornev and L. Bellaiche.

– Presentation at the 2017 ETSF YRM; Tarragona, Spain, June 05 – June 09, 2017; “Fluctuations and topological defects in proper ferroelectrics,” S. Prokhorenko, Y. Nahas and L. Bellaiche.

– Poster at the 2017 ETSF YRM; Tarragona, Spain, June 05- June 09, 2017; “Emergent BKT phase in low-dimensional ferroelectrics,” Y. Nahas, S. Prokhorenko, I. Kornev and L. Bellaiche.

– Poster at the 2017 Workshop on Fundamental Physics of Ferroelectrics; Williamsburg, VA, January 29- February 01, 2017; “Photostriction in bismuth ferrite from first principles,” C. Paillard, Bin Xu, Brahim Dkhil, Gregory Geneste and Laurent Bellaiche.

– Poster at the 2017 Workshop on Fundamental Physics of Ferroelectrics; Williamsburg, VA, January 29- February 01, 2017; “Structure and properties of Pb(_1/4Nb_1/2Ti1/4)O₃ Nanodot from first principles based effective Hamiltonian approach,” A. Albarakati, S. Prosandeev, D. Wang and L. Bellaiche.

– Poster at the 2017 Workshop on Fundamental Physics f Ferroelectrics; Williamsburg, VA, January 29- February 01, 2017; “Defect-engineering: the case of LaBaCo₂O_5+δ compounds,” Yurong Yang, Chunrui Ma, Ming Liu, Hongjian Zhao, Yuan Lin, Chonglin Chen and Laurent Bellaiche.

– Poster at the 2017 Workshop on Fundamental Physics f Ferroelectrics; Williamsburg, VA, January 29- February 01, 2017; “Electrocaloric effect in relaxor Ba(Zr,Ti)O₃ from atomistic simulations,” hijun Jiang, Sergei Prokhorenko, D. Wang, Sergey Prosandeev, Y. Nahas, J. Inguez, and L. Bellaiche.

– Presentation at the TO-BE Spring meeting 2017; Neumunster Abbey, Luxembourg, April 3- 5, 2017; “Polar distortion of ferroelectrics under carrier doping,” ong Jian Zhao, Alessio Filippetti, Pietro Delugas, Enric Canadell, Laurent Bellaiche, Vincenzo Fiorentini, and Jorge Iniguez.

– Presentation at the 2017 APS March Meeting; New Orleans, LA, March 13- 17, 2017; ``Photostriction in two dimensional ferroelectrics,” aad Haleoot, Charles Paillard, Bin Xu, Bothina Hamad, Laurent Bellaiche and Salvador Barraza-Lopez.

– Presentation at the 2017 APS March Meeting; New Orleans, LA, March 13- 17, 2017; “Fluctuations and topological defects in proper ferroelectric crystals,” Sergei Prokhorenko, Yousra Nahas and Laurent Bellaiche.

– Presentation at the 2017 APS March Meeting; New Orleans, LA, March 13- 17, 2017; “Evidence for a Berezinskii-Kosterlitz-Thouless phase in ferroelectric thin-films,” Yousra Nahas, Sergei Prokhorenko, Igor Kornev and Laurent Bellaiche.

– Presentation at the 2017 APS March Meeting; New Orleans, LA, March 13- 17, 2017; “Pinched hysteresis loop in defect-free ferroelectric materials,” Bin Xu, Charles Paillard, Brahim Dkhil and Laurent Bellaiche.

– Presentation at the 2017 APS March Meeting; New Orleans, LA, March 13- 17, 2017; “Improper electric polarization in perovskite oxides with two magnetic sublattices,” Jorge Iniguez, Hong Jian Zhao, Xiang Ming Chen and Laurent Bellaiche.

– Presentation at the 5th International Conference from Nanoparticles and Nanomaterials to Nanodevices and Nanosystems (IC4N); Porto Heli, Greece, June 26-30 2016. “Dielectric Relaxation Studied by Kinetic Monte Carlo,’’ G. Geneste, L. Bellaiche, J.-M. Kiat, H. Yokota, Y. Uesu.

– Presentation at the 33rd International Conference on the Physics of Semiconductors; Beijing, China, July 31- Aug 5, 2016; “Control of magnetism by electric field in Rare-Earth-Substituted BiFeO₃,’’ B. Xu , D. W. Wang, H. J. Zhao, J. Iniguez, X. M. Chen and L. Bellaiche.

– Presentation at the 100th OSA Annual Meeting; Rochester, NY, October 17-21, 2016; “Electron spin interaction with the angular momentum of the electromagnetic field,” Charles Paillard, Brahim Dkhil, Reeta Vyas, L. Bellaiche, and Surendra Singh.

– Presentation at the Fall 2016 E-MRS conference; Warsaw, Poland, September 19-22, 2016; “Ferroelectricity under charge carrier doping,” Hong Jian Zhao, Alessio Filippetti, Pietro Delugas, Enric Canadell, Laurent Bellaiche, Vincenzo Fiorentini and Jorge Iñiguez.

– Presentation at the 5th IC4N 2016 5th International Conference from Nanoparticles and Nanomaterials to Nanodevices and Nanosystems; Porto Heli, Greece, June 26-30, 2016; “Dielectric Relaxation Studied by Kinetic Monte Carlo,” Grègory Geneste}, Laurent Bellaiche and Jean-Michel Kiat.

– Poster at the 100^th Annual Meeting of the Arkansas Academy of Science; Fayetteville, AR, April 01-02, 2016; “Special quasirandom structures for complex perovskite alloys,” Zhijun Jiang, Yousra Nahas, Dawei Wang and L. Bellaiche.

– Presentation at the 100^th Annual Meeting of the Arkansas Academy of Science; Fayetteville, AR, April 01-02, 2016; “Universal energetic coupling in complex antiferroelectric and incommensurate perovskites,” Kinnary Patel, Sergey Prosandeev, Yurong Yang, Bin Xu, J. Íñiguez and L. Bellaiche.

– Presentation at the International Workshop on Relaxor Ferroelectrics 2016; Matsue, Japan, June 19-23, 2016; “Anomalous Paramagnetoelectric Effect In Magnetoelectric Multiferroics Pb(Fe_1/2Nb_1/2)O₃ And Its Solid Solution With PbTiO₃,” V. V. Laguta, A. N. Morozovska, E. A. Eliseev, I. P. Raevski, S. I. Raevskaya, E. I. Sitalo, S. A. Prosandeev, and L. Bellaiche.

– Presentation at the International Workshop on Relaxor Ferroelectrics 2016; Matsue, Japan, June 19-23, 2016; “Dielectric Relaxation of Relaxor Ferroelectrics Derived from First Principles,” A. A. Bokov, D. Wang, Z.-G. Ye, J. Hlinka, and L. Bellaiche.

– Poster at the 2016 Workshop on Fundamental Physics of Ferroelectrics; Washington, D.C., January 31- February 03, 2016; “Large elasto-optic effect in epitaxial PbTiO₃ films,” Yurong Yang, L. Chen, Z. Gui, D. Sando, M. Bibes, X. K. Meng, and L. Bellaiche.

– Poster at the 2016 Workshop on Fundamental Physics of Ferroelectrics; Washington, D.C., January 31- February 03, 2016; “Electrical Control of Chiral Phases in Electrotoroidic Nanocomposites,” R. Walter, S. Prokhorenko, Z. Gui, Y. Nahas and Laurent Bellaiche.

– Poster at the 2016 Workshop on Fundamental Physics of Ferroelectrics; Washington, D.C., January 31- February 03, 2016; “Controlling Phase Coexistence in Mixed Phase BiFeO₃,” Omid Sayedaghaee, David Edwards, Niall Browne, Marty Gregg, Amit Kumar, Bin Xu, Dawei Wang, Sergey Prosandeev, Laurent Bellaiche, Sergei V. Kalinin, Stephen Jesse, Dipanjan Mazumdar and Arun Gupta.

– Poster at the 2016 Workshop on Fundamental Physics of Ferroelectrics; Washington, D.C., January 31- February 03, 2016; “Symmetry vs topology and dipolar fluctuations in proper ferroelectrics,” S. Prokhorenko, Y. Nahas and L. Bellaiche.

– Poster at the 2016 Workshop on Fundamental Physics of Ferroelectrics; Washington, D.C., January 31- February 03, 2016; “Universal energetic coupling in complex antiferroelectric and incommensurate perovskites,” Kinnary Patel, Sergey Prosandeev, Yurong Yang, Bin Xu, J. Íñiguez and L. Bellaiche.

– Poster at the 2016 Workshop on Fundamental Physics of Ferroelectrics; Washington, D.C., January 31- February 03, 2016; “Photostriction in BiFeO₃ from first principles,” Charles Paillard, B. Xu, B. Dkhil, G. Geneste and L. Bellaiche.

– Poster at the 2016 Workshop on Fundamental Physics of Ferroelectrics; Washington, D.C., January 31- February 03, 2016; “First-Principles Calculations of Rare Earth Iron Garnets,” Ryan Nakamoto, Bin Xu and L. Bellaiche.

– Poster at the 2016 Workshop on Fundamental Physics of Ferroelectrics; Washington, D.C., January 31- February 03, 2016; “Ultra-large-scale Hybrid Monte-Carlo simulations of ferroelectric and relaxor materials,” Kalke, S. Prokhorenko and L. Bellaiche.

– Poster at the 2016 Workshop on Fundamental Physics of Ferroelectrics; Washington, D.C., January 31- February 03, 2016; “Special quasirandom structures for complex perovskite alloys,” Zhijun Jiang, Yousra Nahas, Dawei Wang and L. Bellaiche.

– Poster at the 2016 Workshop on Fundamental Physics of Ferroelectrics; Washington, D.C., January 31- February 03, 2016; “Application of the Wang-Landau Monte-Carlo Formalism applied to Ferroelectric Materials,” S. Bin-Omran, I. Kornev and L. Bellaiche.

– Poster at the 2016 Workshop on Fundamental Physics of Ferroelectrics; Washington, D.C., January 31- February 03, 2016; “Finite-temperature properties of PMN-PT25 nanodot from first Principles,” A. Albarakati, S. Prosandeev, D. Wang and L. Bellaiche.

– Poster at the 2015 “Industrial Advisory Board (IAB) Poster Competition”; Microelectronics-Photonics Graduate Program, Fayetteville, AR, October 25, 2015; “Controlling Phase Coexistence in Mixed Phase BiFeO₃,” Omid Sayedaghaee, Laurent Bellaiche, Bin Xu, Dawei Wang, Sergey Prosandeev, David Edwards, Niall Browne, Marty Gregg, Amit Kumar, Sergei V. Kalinin, Stephen Jesse, Dipanjan Mazumdar and Arun Gupta.

– Poster at the Fall 2015 E-MRS conference; Warsaw, Poland, September 15-18, 2015; “First-principles-Based Investigation of physical properties of BST Nanodot,” Saad Bin-Omran, Igor Kornev and Laurent Bellaiche

– Presentation at the Fall 2015 E-MRS conference; Warsaw, Poland, September 15-18, 2015; “Strategies for enhancing caloric responses using ferroelectric oxides”, Y. Liu, I.C. Infante, P.E. Janolin, X.J. Lou, X.B. Ren, W. P. Geng, A. Q. Jiang, X. J. Meng, D.C. Lupascu, L. Bellaiche, J. F. Scott, and B. Dkhil.

– Presentation at the 2015 APS March Meeting; San Antonio, TX, March 02- March 06, 2015; “Driving the magnetic response of BiFeO₃ by hydrostatic pressure,” C. Toulouse, J. Buhot, Y. Gallais, A. Sacuto, A. Forget, D. Colson, R. De Sousa, D. Wang, L. Bellaiche, M. Bib\`es, A. Barth\’el\’emy, M. Cazayous and M. M\’easson.

– Presentation at the 2015 APS March Meeting; San Antonio, TX, March 02- March 06, 2015; “Predicting a Ferrimagnetic-Ferroelectric Phase of Zn₂FeOsO₆ with Strong Magnetoelectric Coupling,” Hongjun Xiang, P.S. Wang, Wei Ren and L. Bellaiche.

– Presentation at the 2015 APS March Meeting; San Antonio, TX, March 02- March 06, 2015; “Application of the Wang-Landau Algorithm applied to Ferroelectrics,” Saad Binomran, Igor Kornev and L. Bellaiche.

– Presentation at the 2015 APS March Meeting; San Antonio, TX, March 02- March 06, 2015; “Trilinear couplings and the multi-mode anti-ferroelectric transition of PbZrO₃: a first-principles investigation,” Jorge Íñiguezz, Massimiliano Stengel, Sergey Prosandeev and L. Bellaiche.

– Presentation at the 2015 APS March Meeting; San Antonio, TX, March 02- March 06, 2015; “Dynamical magnetoelectric effects associated with ferroelectric domain walls,’‘ Sergey Prosandeev, Andrei alashevich, Igor Raevski and L. Bellaiche.

– Poster at the 2015 Workshop on Fundamental Physics of Ferroelectrics and Related Materials; Knoxville, TN, January 25- January 28, 2015; ``Finite-temperature properties of rare-earth-substituted BiFeO₃ multiferroic solid solutions and superlattices,” B. Xu

– Poster at the 2015 Workshop on Fundamental Physics of Ferroelectrics and Related Materials; Knoxville, TN, January 25- January 28, 2015; “Revisiting galvanomagnetic effects in conducting ferromagnets through electromagnetic field angular momentum density and magnetic moment coupling,” R. Walter

– Poster at the 2015 Workshop on Fundamental Physics of Ferroelectrics and Related Materials; Knoxville, TN, January 25- January 28, 2015; “Vortex lines at the intersection of domain walls in ferroelectrics,” S. Prokhorenko

– Poster at the 2015 Workshop on Fundamental Physics of Ferroelectrics and Related Materials; Knoxville, TN, January 25- January 28, 2015; “Tuning the electron-skyrmion interaction: Topological Hall effect and beyond,’‘ C. Paillard

– Poster at the 2015 Workshop on Fundamental Physics of Ferroelectrics and Related Materials; Knoxville, TN, January 25- January 28, 2015; “Skyrmionic state in ferroelectric nanocomposites,” Y. Nahas

– Poster at the 2015 Workshop on Fundamental Physics of Ferroelectrics and Related Materials; Knoxville, TN, January 25- January 28, 2015; “Application of the Wang-Landau algorithm applied to ferroelectrics,” S. Bin-Omran

– Poster at the 2014 “From Abstract to Contract: Graduate Student Research Poster Competition”; Fayetteville, AR, November 14, 2014; “Explaining Old Galvanomagnetic Effects Using New Coupling,” Walter, M. Viret, Surendra Singh and L. Bellaiche.

– Presentation at the Chinese Materials Annual Meeting 2014; Chengdu, China, July 05-07, 2014; Hybrid Improper Ferroelectricity in Perovskite Superlattices, Hong Jian Zhao, Jorge Íñiguez, Wei Ren, Xiang Ming Chen, and L. Bellaiche.

– Presentation at the 56th Electronic Materials Conference (EMC 2014); University of California, Santa Barbara, CA, June 25-27, 2014; “First-principles-Based Investigation of physical properties of BST Nanodot,” S. Bin-Omran, I. Kornev, and L. Bellaiche.

– Poster at the 2014 Workshop on Fundamental Physics of Ferroelectrics and Related Materials; Washington, D.C., January 26- January 29, 2014; “Water adsorbates at the surface of BaTiO₃nanowires,” L. Louis, I. Kornev, G. Geneste, B. Dkhil and and L. Bellaiche.

– Poster at the 2014 Workshop on Fundamental Physics of Ferroelectrics and Related Materials; Washington, D.C., January 26- January 29, 2014; “THz dynamics of ferroelectric vortices from first principles,” Z. Gui and L. Bellaiche.

– Poster at the 2014 Workshop on Fundamental Physics of Ferroelectrics and Related Materials; Washington, D.C., January 26- January 29, 2014;“Effect of chemical and hydrostatic pressures on structural and magnetic properties of hexagonal rare-earth ferrites,” C. Xu, Y. Yang and L. Bellaiche.

– Presentation at the Electroceramics XIV conference; Bucharest, Romania, June 16-20 2014; “Effect of chemical and hydrostatic pressure on structural and magnetic properties of RFeO₃ (R=rare-earth ions) from first principles,” Hong Jian Zhao,Wei Ren, Yurong Yang, Xiang Ming Chen, and L. Bellaiche

– Presentation at the 2013 Joint UFFC, EFTF and PFM symposium; Prague, Czech Republic, July 21-24, 2013; “Spin dynamics controlled by strain in BiFeO₃ films,’’ Daniel Sando, Arsene Agbelele, Dovran Rahmedov, Ingrid C. Infante, Alexander Pyatakov, Laurent Bellaiche, Stephane Fusil, Cecile Carretero, Eric Jacquet, Sergei Lisenkov, Dawei Wang, Maximilien Cazayous, Jean Juraszek, Anatoly Zvezdin, Agnes Barthélémy, Brahim Dkhil, Manuel Bibes

– Poster at the 2013 Workshop on Fundamental Physics of Ferroelectrics and Related Materials; Ames, Iowa, January 27- January 30, 2013; “Understanding and revisiting properties of EuTiO₃ bulks and films from first principles,” Y.Yang, W. Ren, D. Wang, L. Bellaiche

– Poster at the 2013 Workshop on Fundamental Physics of Ferroelectrics and Related Materials; Ames, Iowa, January 27- January 30, 2013; “BiFeO₃ ferroelectric domain walls under compressive strain,” W. Ren, Y. Yang, O. Diéguez, J. Iñiguez, N. Choudhury, L. Bellaiche

– Poster at the 2013 Workshop on Fundamental Physics of Ferroelectrics and Related Materials; Ames, Iowa, January 27- January 30, 2013; “Natural ivity and its control by the electric field in electrotoroidic systems,” S. Prosandeev, A. Malashevich, Z. Gui, L. Louis, R. Walter, I. Souza, L. Bellaiche

– Poster at the 2013 Workshop on Fundamental Physics of Ferroelectrics and Related Materials; Ames, Iowa, January 27- January 30, 2013; “Novel complex phenomena in ferroelectric nanocomposites,” L. Louis, I. Kornev, G. Geneste, B. Dkhil, L. Bellaiche.

-Poster at the 2013 Workshop on Fundamental Physics of Ferroelectrics and Related Materials; Ames, Iowa, January 27- January 30, 2013; “A simple law governing coupled magnetic orders in perovskites,” Z. Gui, L. Bellaiche, I. A. Kornev

– Poster at the 2013 Workshop on Fundamental Physics of Ferroelectrics and Related Materials; Ames, Iowa, January 27- January 30, 2013; “Application of the Wang-Landau algorithm to study electric-field effects in ferroelectrics,” S. Bin-Omran, I. Kornev, L. Bellaiche

– Poster at the 2013 Workshop on Fundamental Physics of Ferroelectrics and Related Materials; Ames, Iowa, January 27- January 30, 2013; “Dynamical properties of multiferroics from an atomistic method combining ionic and spin-dynamics,” D. Wang, S. Bhattacharjee, D. Rahmedov, J. Weerasinghe, L. Bellaiche.

– Poster at the 2013 Workshop on Fundamental Physics of Ferroelectrics and Related Materials; Ames, Iowa, January 27- January 30, 2013; “Full field electron spectromicroscopy applied to ferroelectric materials,” N. Barrett, J. E. Rault, J. L. Wang, C. Mathieu, A. Locatelli, T. O. Mentes, M. A. Niñno, S. Fusil, M. Bibes, A. Barthélémy, D. Sando, W. Ren, S. Prosandeev, L. Bellaiche.

– Presentation at the 2013 OTST (Optical Terahertz Science and Technology) conference; Kyoto, Japan, April 1-5, 2013;“Central mode in perovskite ferroelectrics,” P. Kuzel, T. Ostapchuk, C. Kadlec, J. Weerasinghe, L. Bellaiche and J. Hlinka.

– Presentation at the PCSI-40: 40th Conference on the Physics and Chemistry of Surfaces and Interfaces; Waikoloa, Hawaii, USA, January 20-24, 2013; “Controlled Motion of Freestanding Graphene and Graphene on Graphite via Scanning Tunneling Microscopy,” P. Xu, Yurong Yang, D. Qi, S. D. Barber, J. K. Schoelz, M. L. Ackerman, L. Bellaiche, and P. M. Thibado.

– Presentation at the E-MRS 2012 Fall Meeting; Warsaw University of Technology, Poland, September 17-21, 2012; “First-principles-based description of couplings in strained multiferroic heterostructures,” P.-E. Janolin, N. A. Pertsev, L. Bellaiche and D. Sichuga.

-Presentation at the 2012 International Symposium on Applications of Ferroelectrics (ISAF); Aveiro, Portugal, July 09-13, 2012; “Giant direct magnetoelectric effect in strained multiferroic heterostructures,” P.-E. Janolin, N. A. Pertsev, L. Bellaiche and D. Sichuga.

– Presentation at the 2012 Physical Electronics Conference; Dallas, TX, June 03- 06, 2012; “Electronic Reconfiguration of Graphite to Graphene through Vertical Displacement of the top layer,” P. Xu, Yurong Yang, D. Qi, S.D. Barber, M.L. Ackerman, J.K. Schoelz, T.B. Bothwell, Salvador Barraza-Lopez, L. Bellaiche, P.M. Thibado.

– Presentation at the 2012 APS March Meeting; Boston, MA, February 27- March 02, 2012; “Phase Transitions in Epitaxial (-110) BiFeO₃ Films from First Principles,” Sergey Prosandeev, Igor A. Kornev and L. Bellaiche.

– Presentation at the 2012 APS March Meeting; Boston, MA, February 27- March 02, 2012; “Colossal Corrugations in Freestanding Graphene Observed with STM,” P.M. Thibado, P. Xu, Y. Yang, S.D. Barber, M.L. Ackerman, J.K. Schoelz, Salvador Barraza-Lopez, L. Bellaiche, and Igor A. Kornev.

– Presentation at the 2012 APS March Meeting; Boston, MA, February 27- March 02, 2012; “Real-Space Magnitude and Spatial Extent of the Surface Charge Density of Graphene,” P. Xu, Y. Yang, S.D. Barber, M.L. Ackerman, J.K. Schoelz, Salvador Barraza-Lopez, L. Bellaiche, P.M. Thibado and Igor A. Kornev.

– Presentation at the 2012 APS March Meeting; Boston, MA, February 27- March 02, 2012; “Three Different Translations Can Each Convert the Top Plane of Graphite to Graphene,” D. Qi, P. Xu, Y. Yang, M.L. Ackerman, S.D. Barber, J.K. Schoelz, L. Bellaiche, Salvador Barraza-Lopez, P.M. Thibado and Igor A. Kornev.

– Poster at the 2012 Workshop on Fundamental Physics of Ferroelectrics and Related Materials; Argonne, IL, January 29- February 1, 2012; “Magnetic cycloid of BiFeO₃ from atomistic simulations,” D. Rahmedov, L. Bellaiche, D. Wang and J. Íñiguez.

– Poster at the 2012 Workshop on Fundamental Physics of Ferroelectrics and Related Materials; Argonne, IL, January 29- February 1, 2012; “Phase transitions in epitaxial PbTiO₃/BiFeO₃ superlattices from first principles,” Yurong Yang, Wei Ren, Massimiliano Stengel, X.H. Yan and L. Bellaiche.

– Poster at the 2012 Workshop on Fundamental Physics of Ferroelectrics and Related Materials; Argonne, IL, January 29- February 1, 2012; “The effects of Oxygen vacancies on properties of PMN-25\%PT: a first-principles-based study,” Abdullah Al-Barakaty and L. Bellaiche.

– Poster at the 2012 Workshop on Fundamental Physics of Ferroelectrics and Related Materials; Argonne, IL, January 29- February 1, 2012; “Properties of epitaxial (110) BaTiO₃ films from first principles,” Zhigang Gui, S. Prosandeev and L. Bellaiche.

– Poster at the 2012 Workshop on Fundamental Physics of Ferroelectrics and Related Materials; Argonne, IL, January 29- February 1, 2012; “Sm-doped BiFeO₃ films under compressive strain,” Wei Ren, Yurong Yang, Weigang Chen, Lu You, Zuhuang Chen, Yajun Qi, Xi Zou, Junling Wang, Thirumany Sritharan, Ping Yang, Lang Chen and L. Bellaiche.

– Presentation at the 2011 MRS Fall Meeting; Boston, MA, November 28 – December 2, 2011; “Engineered Domain Structures in Multiferroic Materials: The Vortex Domain State,” Nina Balke, Benjamin Winchester, Wei Ren, Ying-Hao Chu, Anna N. Morozovska, Eugene A. Eliseev, Mark Huijben, Rama K. Vasudevan, Petro Maksymovych, Jason Britson, Stephen Jesse, Igor Kornev, Ramamoorthy Ramesh, Laurent Bellaiche, Long-Qing Chen and Sergei V. Kalinin.

– Presentation at the 2011 MRS Fall Meeting; Boston, MA, November 28 – December 2, 2011; “Strain-Induced Low Symmetry Phases and Polarization Rotation Paths in Epitaxial BiFeO₃ Thin Films,” Zuhuang Chen, Ping Yang, Sergey Prosandeev, Zhenlin Luo, Wei Ren, Yajun Qi, Chen Gao, Junling Wang, Thirumany Sritharan, Laurent Bellaiche and Lang Chen.

– Presentation at the ICM2012 conference; Busan, Korea, July 8-13, 2012; “Tuning Magnetic Order, Electromagnons And Exchange Bias By Epitaxial Strain In BiFeO₃ Thin Films,” Manuel Bibes, Daniel Sando, Jean Juraszek, Maximilien Cazayous, Ingrid Infante, Wei Ren, Sergey Lisenkov, Cecile Carretero, Agnes Barthelemy, Laurent Bellaiche and Brahim Dkhil.

– Poster at the 2011 Arkansas INBRE Research Conference; Fayetteville, AR, USA; October 21-22; “Unique Space-Filling Feature of Graphene Revealed,” C.T. Cook, P. Xu, Y. Yang, S.D. Barber, M.L. Ackerman, J.K. Schoelz, I.A. Kornev, S. Barraza-Lopez, L. Bellaiche, and P.M. Thibado.

– Poster at the 2011 Arkansas INBRE Research Conference; Fayetteville, AR, USA; October 21-22; “Colossal Corrugations in Freestanding Graphene,” P. Xu, Y. Yang, M. L. Ackerman, S. D. Barber, J. K. Schoelz, D. Qi, Igor A. Kornev, L. Bellaiche, Salvador Barraza-Lopez, and P. M. Thibado.

– Presentation at the 2011 European Meeting on Ferroelectricity; Bordeaux, France, June 2011; “Low symmetry ground states in relation with relaxation, size/strain effects and antiferrodistorsion in lead scandium niobate (PSN),” J.-M. Kiat, P.-E. Janolin, R. Haumont, N.A. Pertsev, Y. Uesu, C. Bogicevic, W. Ren, L. Bellaiche and A. Bataille.

– Presentation at the 2011 MRS Spring Meeting; San Francisco, California, April 25-29, 2011; “Strain-tuning ferroic order parameters in BiFeO₃,” I. C. Infante, M. Bibes, B. Dupé, A. Courtial, G. Géneste, S. Fusil, J. Juraszek, S. Lisenkov, L. Bellaiche, B. Dkhil, and A. Barthélémy.

– Presentation at the 2011 APS March Meeting; Dallas, Texas, March 21-25, 2011; “Magnetoelectricity in BiFeO₃ films – first principles-based computations and phenomenology,” S. Prosandeev, I. Kornev and L. Bellaiche.

– Poster at the 2011 Workshop on Fundamental Physics of Ferroelectrics and Related Materials; Gaithersburg, MD, January 30-February, 02, 2011; “Dynamical properties of Pb(Zr,Ti)O₃ solid solutions from first principles,” J. Weerasinghe, D. Wang, J. Hlinka and L. Bellaiche.

– Poster at the 2011 Workshop on Fundamental Physics of Ferroelectrics and Related Materials; Gaithersburg, MD, January 30-February, 02, 2011; “Electric field control of BiFeO₃ nanodots: a first-principles-based study,” Wei Ren and L. Bellaiche.

– Poster at the 2011 Workshop on Fundamental Physics of Ferroelectrics and Related Materials; Gaithersburg, MD, January 30-February, 02, 2011; “Nanocomposite ferroelectrics from first principles,” L. Louis, G. Geneste, B. Dkhil and L. Bellaiche.

– Presentation at the European Materials Research Society Spring Meeting; Nice, France, May 9-13, 2011; “Using strain to control phases and transitions in BiFeO₃,” I. C. Infante, S. Fusil, C. Daumont, E. Jacquet, M. Bibes, A. Barthélémy, B. Dupé, G. Géneste, P.-E. Janolin, B. Dkhil, S. Lisenkov, I. Ponomareva, L. Bellaiche, A. Courtial, J. Juraszek, S. Petit, A. Bataille and S. Ravy.

– Presentation at the 2010 APS March Meeting; Portland, Oregon, March 15-19, 2010; “Properties of diluted antiferromagnets from atomistic simulations,” S. Prosandeev and L. Bellaiche.

– Presentation at the XIX Czech-Polish seminar; Structural and ferroelectric phase transitions; Telc, Czech Republic, May 24 – 28, 2010; “Landau-Devonshire expansion for SrTiO₃ through effective Hamiltonian technique,” V. Stepkova, J. Weerasinghe, L. Bellaiche and J. Hlinka.

– Presentation at the 7th Asian Meeting on Ferroelectricity and 7th Asian Meeting on Electroceramics; Jeju, Korea, June 28-July 01, 2010; “How ferroelectrics handle stress and pressure,” P.E. Janolin, J.M. Kiat, I. Kornev, B. Dkhil, N. Pertsev, P. Bouvier, J, Kreisel, L. Bellaiche and Y. Uesu.

– Presentation at the ISAF 2010 symposium; Edinburgh, Scotland, August 9-12, 2010; “Phase competition in BiFeO₃ thin films: A combined theoretical and experimental approach,” B. Dupé, I. C. Infante, P.-E. Janolin, S. Fusil, Lisenkov, I. Ponomareva, S. Ravy, L. Bellaiche, G. Géneste, H. Béa, K. Bouzehouane, B. Warot-Fonrose, E. Jacquet, M. Bibes, A. Barthélémy, B. Dkhil.

– Poster at the 2010 Workshop on Advances in the Fundamental Physics of Ferroelectrics and Related Materials; Aspen, Colorado, January 31 — February 5, 2010; “Dielectric tunability of SrTiO₃ in the THz regime: a theoretical study,” J. Weerasinghe, J. Hlinka, V. Stepkova and L. Bellaiche.

– Poster at the 2010 Workshop on Advances in the Fundamental Physics of Ferroelectrics and Related Materials; Aspen, Colorado, January 31 — February 5, 2010; “Dielectric response of Pb(Zr,Ti)O₃ from first principles in the terahertz frequency range,” Dawei Wang, L. Bellaiche and J. Hlinka.

– Poster at the 2010 Workshop on Advances in the Fundamental Physics of Ferroelectrics and Related Materials; Aspen, Colorado, January 31 — February 5, 2010; “Anomalous features in BiFeO₃ nanodots: a first-principles-based study,” Wei Ren, D. Sichuga, S. Prosandeev and L. Bellaiche.

– Poster at the 2010 Workshop on Advances in the Fundamental Physics of Ferroelectrics and Related Materials; Aspen, Colorado, January 31 — February 5, 2010; “Properties of BiFeO₃ diluted with non-magnetic elements: Atomistic computations,” S. Prosandeev and L. Bellaiche

– Poster at the 2010 Workshop on Advances in the Fundamental Physics of Ferroelectrics and Related Materials; Aspen, Colorado, January 31 — February 5, 2010; “Novel and original features on the model multiferroic BiFeO₃ under strain effects”, B. Dupé, I.C. Infante, S. Lisenkov, I.N. Leontyev, H. Toupet, M. Bibes, S. Fusil, E. Jacquet, P.-E. Janolin, G. Geneste, F. LeMarrec, L. Bellaiche, A. Barthélémy and B. Dkhil

– Poster at the 2010 Workshop on Advances in the Fundamental Physics of Ferroelectrics and Related Materials; Aspen, Colorado, January 31 — February 5, 2010; “Unusual phenomena in compositionally modulated BST systems” N. Choudhury, L. Walizer, S. Lisenkov and L. Bellaiche.

– Poster at the 2010 Workshop on Advances in the Fundamental Physics of Ferroelectrics and Related Materials; Aspen, Colorado, January 31 — February 5, 2010; “Ferromagnetism in multiferroic BifeO₃ films: a first-principles-based study” D. Albrecht, S. Lisenkov, W. Ren, D. Rahmedov, I.A. Kornev and L. Bellaiche.

– Presentation at the XIII Colloque Louis Néel; Albé, France March 31-April 02, 2010; “Effet de la contrainte epitaxiale sur les transitions de phase du multiferroique BiFeO₃,” I. C. Infante, S. Lisenkov, B. Dupé, M. Bibes, S. Fusil, E. Jacquet, G. Geneste, S. Petit, L. Bellaiche, A. Barthélémy and B. Dkhil.

– Presentation at the ISIF 2010 meeting; San Juan, Puerto Rico; June 13-16, 2010; “Unusual behaviours in the model multiferroic BiFeO₃ under strain effects”, B. Dupé, I.C. Infante, P.E. Janolin, S. Lisenkov, S. Fusil, I. Ponomareva, S. Ravy, L. Bellaiche, G. Geneste, H. Béa, K. Bouzehouane, B. Warot-Fonrose, E. Jacquet, M. Bibes, A. Barthélémy and B. Dkhil.

– Presentation at the GDR-Multiferroic meeting; Paris, France; June 17, 2009; “Role of epitaxial strain and temperature on structural and multiferroic properties of BiFeO₃ thin films: theory and experiments,” I. C. Infante, B. Dupé, S. Lisenkov, I. Ponomareva, L. Bellaiche, G. Geneste, P.-E. Janolin, B. Dkhil, S. Petit, H. Béa, S. Fusil, J. Allibe, K. Bouzehouane, E. Jacquet, M. Bibes and A. Barthélémy.

– Presentation at the IMF-ISAF-2009, 12th International Meeting on Ferroelectricity and 18th IEEE International Symposium on Applications of Ferroelectrics; Xi’an, China; August 23-27, 2009; “Low-symmetry phases in ferroelectric nanowires,” L. Louis, P. Gemeiner, I. Ponomareva, L. Bellaiche, G. Geneste, W. Ma, N. Setter, B. Dkhil.

– Presentation at the IMF-ISAF-2009, 12th International Meeting on Ferroelectricity and 18th IEEE International Symposium on Applications of Ferroelectrics; Xi’an, China; August 23-27, 2009; “A first principles study of ferroelectric phase transition in Pb_0.4Zr_0.6TiO₃ Ultrathin films,” S. Bin-Omran, and L. Bellaiche.

– Presentation at the IMF-ISAF-2009, 12th International Meeting on Ferroelectricity and 18th IEEE International Symposium on Applications of Ferroelectrics; Xi’an, China; August 23-27, 2009; “Effect of epitaxial strain and temperature on structural and multiferroic properties of BiFeO₃ thin films: theory and experiments,” I. C. Infante, B. Dupe, S. Lisenkov, I. Ponomareva, L. Bellaiche, P.-E. Janolin, G. Geneste, P. Gemeiner, B. Dkhil, H. Béa, S. Fusil, J. Allibe, E. Jacquet, M. Bibes and A. Barthelemy.

– Presentation at the IMF-ISAF-2009, 12th International Meeting on Ferroelectricity and 18th IEEE International Symposium on Applications of Ferroelectrics; Xi’an, China; August 23-27, 2009; “High-pressure on ferroelectrics: structural changes and new phenomena,” P. E. Janolin, J. Kreisel, P. Bouvier, I. Kornev, L. Bellaiche and B. Dkhil.

– Presentation at the IMF-ISAF-2009, 12th International Meeting on Ferroelectricity and 18th IEEE International Symposium on Applications of Ferroelectrics; Xi’an, China; August 23-27, 2009; “New aspects of the soft-mode dynamics in Ba_xSr_1-xTiO₃,” T. Ostapchik, J. Petzelt, J. Hlinka, V. Bovtun, P. Kuzel, I. Ponomareva, S. Lisenkov, L. Bellaiche, A. Tkach and P. Vilarinho.

– Presentation at the 2009 APS March Meeting; Pittsburgh, Pennsylvania, March 16-20, 2009; “Ferroelectric size-effect in BiFeO₃ films in ultra-high vacuum,” P. Maksymovych, S. Jesse, S. Lisenkov, L. Bellaiche, N. Balke, M. Huijben, R. Ramesh, A. P. Baddorf and S. V. Kalinin.

– Presentation at the 2009 APS March Meeting; New Orleans, Louisiana, March 10-14, 2008; “Controlling double vortex states in low-dimensional dipolar systems,” Sergey Prosandeev and L. Bellaiche.

– Poster at the 2009 Workshop on Fundamental Physics of Ferroelectrics; Williamsburg, Virginia, February, 08-11, 2009; “Properties of BiFeO₃ nanodots from first principles,” Wei Ren, I. Ponomareva and L. Bellaiche.

– Poster at the 2009 Workshop on Fundamental Physics of Ferroelectrics; Williamsburg, Virginia, February, 08-11, 2009; “Magnetoelectric coefficients of BiFeO₃ from first principles,” D. Rahmedov and L. Bellaiche.

– Poster at the 2009 Workshop on Fundamental Physics of Ferroelectrics; Williamsburg, Virginia, February, 08-11, 2009; “Finite-temperature properties of PMN-PT from atomistic simulations,” A. Al-Barakaty, S. Prosandeev and L. Bellaiche.

– Presentation at the 2009 European Materials Research Society spring meeting, Strasbourg, France, June 8-12, 2009; “Role of epitaxial strain and temperature on structural and multiferroic properties of BiFeO₃ thin film: Theory and experiments,” I. C. Infante, H. Béa, S. Fusil, J. Allibe, E. Jacquet, M. Bibes, A. Barthélémy, B. Dupe, G. Geneste, P. Gemeiner, B. Dkhil, S. Lisenkov, I. Ponomareva and L. Bellaiche.

– Poster at the 2009 International Conference For Nanotechnology Industries; Riyadh, Saudi Arabia; April, 5-7, 2009; “Unusual Behavior of Polarization-Strain Coupling in PZT Ultrathin Films,” S. Bin-Omran, I. Ponomareva and L. Bellaiche.

– Presentation at the 2009 MRS Spring meeting; San Francisco, CA, April 13 – 17, 2009; “Ferroelectric Size-effect on Nanoscale BiFeO₃ Films in Ultra-High Vacuum,” P. Maksymovych,S. Jesse, S. Lisenkov, L. Bellaiche, N. Balke, M. Huijben, R. Ramesh, S. V. Kalinin and A. P. Baddorf.

– Presentation at the JMC 11; Strasbourg, France, August 25-29, 2008;
“Temperature phase dependence in thin films BiFeO₃: a combined theoretical and experimental approach,” B. Dupe, I. Ponomareva, L. Bellaiche, G. Geneste, M. Bibes, A. Barthelemy, and B. Dkhil.

– Presentation at the 2008 APS March Meeting; New Orleans, Louisiana, March 10-14, 2008;
“A new order parameter in complex dipolar structures,” Sergey Prosandeev and L. Bellaiche.

– Presentation at the 2008 APS March Meeting; New Orleans, Louisiana, March 10-14, 2008;
“Dynamics of domains switching in epitaxial BaTiO₃/SrTiO₃ superlattices from first principles,” Sergey Lisenkov, Inna Ponomareva and L. Bellaiche.

– Poster at the 2008 Workshop on Fundamental Physics of Ferroelectrics; Williamsburg, Virginia, February, 10-13, 2008;
“Investigation of BaTiO₃ nanowires and nanocomposites from first principles,” L. Louis, I. Ponomareva, L. Bellaiche, G. Geneste and B. Dkhil.

– Poster at the 2008 Workshop on Fundamental Physics of Ferroelectrics; Williamsburg, Virginia, February, 10-13, 2008;
“Domains switching in epitaxial BaTiO₃/SrTiO₃ superlattices from first principles,” S. Lisenkov, I. Ponomareva and L. Bellaiche.

– Poster at the 2008 Workshop on Fundamental Physics of Ferroelectrics; Williamsburg, Virginia, February, 10-13, 2008;
“Thickness-controlled structure of ferroelectric thin films,” P.-E. Janolin, B.-K. Lai, Y. Yuzyuk L. Bellaiche and B. Dkhil.

– Poster at the 2008 Workshop on Fundamental Physics of Ferroelectrics; Williamsburg, Virginia, February, 10-13, 2008;
“Dependence of polarization on epitaxial strain in ferroelectric ultrathin films from first principles,” S. Bin-Omran, I. Ponomareva and L. Bellaiche.

-Presentation at the EMF-2007, 11th European Meeting on Ferroelectricity; Bled, Slovenia; September 3-7, 2007;
“Broad-Band Dielectric Spectroscopy of (Ba,Sr)TiO₃Ceramics,” T. Ostapchik, J. Petzelt, S. Veljko, M. Savinov, F. Kadlec, A. Tkach, P. Vilarinho, A. Sotnikov, E. Smirnova, V. Lemanov, I. Ponomareva and L. Bellaiche.

– Presentation at the EMF-2007, 11th European Meeting on Ferroelectricity; Bled, Slovenia; September 3-7, 2007;
“Temperature and thickness evolution of ferroelectric thin films,” P.E. Janolin, B.-K. Lai, I. Yuzuk, L. Bellaiche, Yu I. Golovko, V.M. Murkhortov, F. Le Marrec, M. El Marssi and B. Dkhil.

– Presentation at the EMF-2007, 11th European Meeting on Ferroelectricity; Bled, Slovenia; September 3-7, 2007;
“Structure Analysis on Ferroelectric Nanowires,” L. Louis, P. Gemeiner, W. Ma, N. Setter, I. Ponomareva, L. Bellaiche, G. Geneste and B. Dkhil.

– Presentation at the EMF-2007, 11th European Meeting on Ferroelectricity; Bled, Slovenia; September 3-7, 2007;
“Ferroelectric Nanoscale Domain Structures computed by Finite Element,” D. Albrecht, D. Aubry, L. Bellaiche and B. Dkhil.

– Presentation at the EMF-2007, 11th European Meeting on Ferroelectricity; Bled, Slovenia; September 3-7, 2007;
“A new critical temperature in relaxor-based systems,” B. Dkhil, P. Gemeiner, L. Bellaiche, E. Dul’kin and M. Roth.

– Presentation at the International Symposium on Integrated Ferroelectrics (ISIF) 2007; Bordeaux, France; May 8-12, 2007;
“Ferroelectric nanowires : a combined experimental and theoretical investigation,” L. Louis, W. Ma, P. Gemeiner, B. Dkhil, G. Geneste, I. Ponomareva, L. Bellaiche, and N. Setter

– Presentation at the International Symposium on Integrated Ferroelectrics (ISIF) 2007; Bordeaux, France; May 8-12, 2007;
“Ferroelectric thin films investigated by x-ray diffraction,” P.-E. Janolin, L. Bellaiche, B. Dkhil, M. El Marssi, Yu.I. Golovko, Bo-Kuai Lai, F. Le Marrec, V.M. Mukhortov, Yu. I. Yuzyuk.

– Presentation at the International Symposium on Integrated Ferroelectrics (ISIF) 2007; Bordeaux, France; May 8-12, 2007;
“A new temperature scale in relaxor-based systems,” B. Dkhil, P. Gemeiner, L. Bellaiche, E. Dul’kin and M. Roth.

– Presentation at the 2007 APS March Meeting; Denver, Colorado, March 5-9, 2007;
“Phase diagram of PZT solid solutions near the morphotropic phase boundary from first principles,” Igor Kornev and L. Bellaiche

– Presentation at the 2007 APS March Meeting; Denver, Colorado, March 5-9, 2007;
“Influence of the growth direction on properties of ferroelectric ultrathin films,” Inna Ponomareva and L. Bellaiche.

– Poster at the 2007 Workshop on Fundamental Physics of Ferroelectrics; Williamsburg, Virginia, February, 11-14, 2007;
“Novel phenomena in ferroelectric nanodots”, S. Prosandeev, I. Kornev and L. Bellaiche.

– Poster at the 2007 Workshop on Fundamental Physics of Ferroelectrics; Williamsburg, Virginia, February, 11-14, 2007;
“Finite-temperature properties of epitaxial BaTiO₃/SrTiO₃ superlattices from first principles”, Sergey Lisenkov and L. Bellaiche.

– Poster at the 2007 Workshop on Fundamental Physics of Ferroelectrics; Williamsburg, Virginia, February, 11-14, 2007;
“Properties of ferroelectric ultrathin films grown along [001], [110] and [111] directions”, Inna Ponomareva and L. Bellaiche.

-Presentation at the Fall 2006 MRS Meeting; Boston, MA, November 27–December 01, 2006; “First-Principles Study of Domain Evolution in Ferroelectric Ultrathin Films”, Bo-Kuai Lai, Inna Ponomareva, Ivan Naumov, Igor Kornev, Huaxiang Fu, Laurent Bellaiche and Greg Salamo.

– Presentation at the XV International Materials Research Congress 2006; Cancun, Mexico, August, 20-26, 2006;
“Stress effect on ferroelectric materials‘,’ Pierre-Eymeric Janolin, Brahim Dkhil, Jens Kresiel, Pierre Bouvier, Igor Kornev, and L. Bellaiche.

– Presentation at the U.S. Navy Workshop on Acoustic Transduction Materials and Devices, PennState, State College (USA), May, 08-11, 2006; Changing the chirality of dipolar vortices in ferroelectric nanodots”, S. Prosandeev, I.Ponomareva, I. Naumov, I. Kornev, and L. Bellaiche.

– Presentation at the 2006 APS March Meeting; Baltimore, Maryland, March 13-17, 2006; “Ferroelectricity of Perovskites under Pressure”, Igor Kornev, L. Bellaiche, P. Bouvier, P.-E. Janolin, B. Dkhil and J. Kreisel.

– Presentation at the 2006 APS March Meeting; Baltimore, Maryland, March 13-17, 2006; “Ferrolectric nanodots and nanowires under different electrical and mechanical boundary conditions”, Inna Ponomareva, Ivan Naumov and L. Bellaiche.

– Presentation at the 2006 APS March Meeting; Baltimore, Maryland, March 13-17, 2006; “Critical Behaviors in Pb(Zr,Ti)O₃Ultrathin films ”, Emad Almahmoud, Igor Kornev and L. Bellaiche.

– Presentation at the 2006 APS March Meeting; Baltimore, Maryland, March 13-17, 2006; “Finite temperature properties of (Ba,Sr)TiO₃ disordered alloys and BaTiO₃/SrTiO₃ superlattices from first-principles ”, Sergey Lisenkov, Laura Walizer and L. Bellaiche.

– Presentation at the 2006 APS March Meeting; Baltimore, Maryland, March 13-17, 2006; “Interaction between ferroelectric nanodots: a first-principles-based study”, S. Prosandeev, I. Ponomareva, I. Naumov, I. Kornev and L. Bellaiche

– Poster at the 2006 Workshop on Fundamental Physics of Ferroelectrics; Williamsburg, Virginia, February, 12-15, 2006; “Critical Behaviors in Pb(Zr,Ti)O₃ Ultrathin films“, Emad Almahmoud, Igor Kornev and L. Bellaiche.

– Presentation at the 2006 Workshop on Fundamental Physics of Ferroelectrics; Williamsburg, Virginia, February, 12-15, 2006; “Controlling the toroidal moment in ferroelectric dots”, S. Prosandeev, I. Ponomareva, I. Naumov, I. Kornev, H. Fu and L. Bellaiche.

– Poster at the 2006 Workshop on Fundamental Physics of Ferroelectrics; Williamsburg, Virginia, February, 12-15, 2006; “Modeling finite temperature properties of (Ba,Sr)TiO₃ disordered alloys and BaTiO₃/SrTiO₃ superlattices from first principles”, Sergey Lisenkov, Laura Walizer and L. Bellaiche.

– Presentation at the 2006 Workshop on Fundamental Physics of Ferroelectrics; Williamsburg, Virginia, February, 12-15, 2006; “Unusual phenomena in ferroelectrics”, L. Bellaiche, Huaxiang Fu, I. Kornev, Bo-Kuai Lai, Sergey Lisenkov, Ivan I. Naumov, I. Ponomareva, Sergey Prosandeev, and Laura Walizer.

– Presentation at the 2006 Workshop on Fundamental Physics of Ferroelectrics; Williamsburg, Virginia, February, 12-15, 2006; “Modeling of ferroelectric nanodots and nanowires under different electrical and mechanical boundary conditions”,
I. Ponomareva, Ivan I. Naumov, and L. Bellaiche.

– Poster at the 2006 Workshop on Fundamental Physics of Ferroelectrics; Williamsburg, Virginia, February, 12-15, 2006; “Domain evolution in ferroelectric ultrathin films under external electric field”, Bo-Kuai Lai, I. Ponomareva, I. I. Naumov, I. Kornev, Huaxiang Fu, L. Bellaiche and G. J. Salamo.

– Poster at the 2006 Workshop on Fundamental Physics of Ferroelectrics; Williamsburg, Virginia, February, 12-15, 2006; “Investigation of BaTiO3 nanowires from first principles”,
Lydie Louis, I. Ponomareva, I. Kornev, L. Bellaiche.

-Presentation at the 2006 Workshop on Fundamental Physics of Ferroelectrics; Williamsburg, Virginia, February, 12-15, 2006; “Ferroelectricity of Perovskites under Pressures”,
Igor A. Kornev, L. Bellaiche, P. Bouvier, P.-E. Janolin, B. Dkhil and J. Kreisel.

-Contributed talk at MRS Fall Meeting; Boston, Masachusetts , November 29-December 3, 2004;
“Unusual phase transition in alloys of ScN/GaN and ScN/InN”, given by V. Ranjan.

– Contributed talk at the 2003 March Meeting of the American Physical Society; Austin, Texas, March 3-7, 2003;
“Properties of ordered Sc_1-xGa_xN alloys from first-principles”, presented by Ahmad Al-Yacoub.

– Contributed talk at the 2003 March Meeting of the American Physical Society; Austin, Texas, March 3-7, 2003;
“Self-consistent tight-binding electronic structure of GaN/AlN pyrmidal quantum dots”, presented by V. Ranjan.

– Contributed talk at the 2003 March Meeting of the American Physical Society; Austin, Texas, March 3-7, 2003;
“Properties of hexagonal ScN from first-principles”, presented by V. Ranjan.

– Poster presentation at the 2003 March Meeting of the American Physical Society; Austin, Texas, March 3-7, 2003;
” Shallow-deep transitions of impurities in semiconductor nanostructures”, presented by V. Ranajan.

– Poster presentation at the 2003 Fundamental Physics of Ferroelectrics; Williamsburg, Virginia, February 2-5, 2003;
“Properties of hexagonal ScN from first-principles”, presented by V. Ranajan.

– Special Seminar at Department of Physics and Astronomy ofthe University of Oklahoma; Norman, Oklahoma, April 26 2002;
“Finite Temperature Properties of Complex Ferroelectrics, ” presented by Igor Kornev.

– Contributed talk at the 2002 March Meeting of the AmericanPhysical Society; Indianapolis (IN), March 18-22 2002;
`Finite-temperature Properties of PSN-PT From First-principles”, presented by Abdullah Al-Barakaty.

– Contributed talk at the 2002 March Meeting of the AmericanPhysical Society; Indianapolis (IN), March 18-22 2002;
`First principlesstudy of a perovskite alloy half-made of vacancies:The case of (Ca_1/2[]_1/2)NbO₃‘, presented by Horace Crogman.

– Contributed talk at the 2002 March Meeting of the AmericanPhysical Society; Indianapolis (IN), March 18-22 2002;
`Optical phononsassociated with the low-temperature ferroelectric properties of perovskitesolid solutions’, presented by Aaron George.

– Contributed talk at the 2002 March Meeting of the AmericanPhysical Society; Indianapolis (IN), March 18-22 2002;
`Incommensurate Phases in Perovskites’, presented by Igor Kornev.

– Contributed talk at the 2002 Workshop on Fundamental Physics of Ferroelectrics; Washington D.C., February 3-6 2002;
“Incommensurate phases in perovskites” presentedby Igor Kornev.

– Contributed talk at the 2001 March Meeting of the AmericanPhysical Society; Seattle (WA), March 12-16 2001;
“Piezoelectric coefficients of (Ga,In)Nalloys”, presented by Ahmad Al-Yacoub.

– Contributed talk at the 2001 March Meeting of the AmericanPhysical Society; Seattle (WA), March 12-16 2001;
“Composition Modulation in Pb(Sc,Nb)O₃ alloys”, presented by Aaron George.

– Contributed talk at the 2000 March Meeting of the American Physical Society; Minneapolis (MN), March 24 2000;
“Electronic and Optical anomalies in lattice-matched (Ga,In)(As,N) alloys”, presented by Ahmad Al-Yacoub