Conferences and Talks

2022

西湖大学 Westlake Univ., online, 2022/4/28

13th APCTP workshop on multiferroics, invited talk, 2022/10/12

-Manipulation of ferroelectric topological defects by Nano-indentation and Nano-scratch

2021

2021 第十二届先进陶瓷国际会议, 苏州, 2021/11/14～17

2021 第1届氧化物薄膜材料论坛，online, 2021/01/18

2021 中国力学大会，成都，2021/11/xx

2021 Condensed Matter Physics Symposium, Peking Univ. Beijing, 2021/04/15

2021 中国材料大会, 厦门，2021/07/08-07/12

2021 16th Symposium on Piezoelectricity, Acoustic Waves, and Device Applications

--第16届 全国压电和声波理论及器件应用研讨会，南京航空航天大学，南京，2021/11/12-11/15

2021 15th Symposium on Piezoelectricity, Acoustic Waves, and Device Applications

--第15届 全国压电和声波理论及器件应用研讨会，郑州，河南，2021/04/16-04/19

2021 International Workshop on New Domain Technology of Ferroelectric Materials and Their Applications

Invited

Ferroelectric domain and its signature on structural phase transition in van der Waals CuInP2S6

Xueyun Wang, Jianming Deng, and Jiawang Hong, Beijing Institute of Technology, China, 2021/1/23

2020

2020 Asylum Research online training

Tianjing Uiv., Invited Online talk 2020/11

Soochow Univ.，Invited Online talk 2020/09

2019

AFM2, Guangzhou，2019/12

中国材料大会, Chengdu，2019/08

Asia Pacific PFM，Seoul Korea, 2019/08

中国力学大会，杭州，2019/08

2018

Sino-Korean Workshop on Ferroelectric Materials and Applications, Nanjing, 2018/09

International Workshop on Atomic Force Microscopy for Advanced Functional Materials(AFM^2 ), Nanjing, 2018/12

第17届全国电介质物理、材料与应用学术会议，广东工业大学，广州，2018/11

第八届全国凝聚态物理青年科学家论坛，复旦大学，上海，2018/11

2017

Topological structural defects and a spin-liquid phase in TbInO3 (Involved)

Jae-Wook Kim, Xueyun Wang, Fei-Ting Huang, Yazhong Wang, Xiaochen Fang, X Luo, Y Li, S. Mori, D. Kwok, V. Zapf, Sang-Wook Cheong

Annual Meeting of the APS Mid-Atlantic Section

Session J3: CMP-QM: Topology, Domains, and Ferroelectrics, NJIT, Saturday, November 4, 2017

Evolution of domain structures and topological defects in hexagonal manganites (Involved)

Fei Xue, Xueyun Wang, Sang-Wook Cheong, L.-Q. Chen

Annual Meeting of the APS Mid-Atlantic Section

Session E3: CMP-QM: Low Dimensional Structures, NJIT, Saturday, November 4, 2017

Nature conference on Ferroic Materials: Opportunities and Challanges (Poster)

Xueyun Wang, Jinxing Zhang, Sang-Wook Cheong

Invited talk: Ferroelectric domains in hexagonal manganites

Xueyun Wang

The 3rd China-Russian Workshop on Dielectric and Ferroelectric Materials, Wuhan, China, Oct

The Chinese Congress of Theoretical and Applied Mechanics 2017 (CCTAM2017)

MS020, Beijing, August 2017

Invited talk:Anisotropic behavior of ferroelectric domains in hexagonal manganites

Xueyun Wang, Sang-Wook Cheong, Jinxing Zhang

C-MRS, Multiferroic Session, Yinchuan, Ningxia, China, July

http://www.c-mrs.org.cn/cmc2017/cn/news.asp?id=20.html

Collective spin excitations in the 3D topological insulator Bi₂Se₃ (involved)

Hsiang-Hsi Kung, S. Maiti, Xueyun Wang, Sang-Wook Cheong, D.L. Maslov, Girsh Blumberg

Workshop on Spins, Valleys, and Topological States in 2D and Layered Materials, OSU, Ohio, June 4-8, 2017

Resonant electronic Raman excitations with A2g symmetry in the topological insulator Bi₂Se₃ (involved)

Hsiang-Hsi Kung, Xueyun Wang, Sang-Wook Cheong, Grish Blumberg

APS March Meeting, Contributed talk, Session . , New Orleans, LA, Mar. 2017

2016

Invited talk: Domains, Graph Theory and Cosmology

DingXin Forum, Department of Physics, University of Science and Technology Beijing, Beijing, China, Nov. 2016

13th International symposium on ferroic domains $ Micro- to Nano- scopic structures (ISFD-13)

CPS 2016, Session O, Beijing, Sep. 2016

Beijing Institute of Technology, Beijing, June, 2016

Liaoning Technical University, Liaoning, March. 2016

Nanjing University, Nanjing, Jan. 2016

Contributed talk

Poster

Xueyun Wang, Sang-Wook Cheong

The 8th Asia Pacific Center for Theoretical Physics (APCTP) Workshop on Multiferroics, Shanghai University (Oct.7th-10th, 2016) 第八届APCTP多铁性研讨会 上海大学 (2016年10月7-10号)

Domain Structures and Topological Defects in Hexagonal Manganites

Long-Qing Chen, Xue Fei, Xueyun Wang, Sang-Wook Cheong

13th International symposium on ferroic domains $ Micro- to Nano- scopic structures (ISFD-13)

STM study of topological phase transition in (Bi,In)₂Se₃ (involved)

Wenhan Zhang, Xueyun Wang, Sang-Wook Cheong, Weida Wu

APS March Meeting, Contributed talk, Session P29. 12, Baltimore, MA, Mar. 2016

Chiralexciton in the topological insulator Bi2Se3 (involved)

Wenhan Zhang, Hsiang-Hsi Kung, Maryam Salehi, Xueyun Wang, Nikesh Koirala, Matthew Brahlek, Alexander Lee Sang-Wook Cheong, Girsh Blumberg

APS March Meeting, Contributed talk, Session L29. 15, Baltimore, MA, Mar. 2016

2015

Z₂ x Z₃ vortex in hexagonal manganites (Invited talk)

Institute of Physics, Chinese Academy of Sciences, Beijing, Dec. 2015

Z₂ x Z₃ vortex in hexagonal manganites (Invited talk)

Renmin University of China, Beijing, Dec. 2015

Exfoliation of chacolgenide MX2, Cr(Si,Ge)Te3 and (Mn,Fe)2Mo3O8

Xueyun Wang

DOE (Dept. of Energy) workshop.

Rutgers Univ. NJ. April. 2015

Exfoliation of transition metal dichacolgenide

Xueyun Wang

DMREF (Designing Materials to Revolutionize and Engineer our Future) workshop, NSF.

Rutgers Univ. NJ. April. 2015

Magnetoelectricty in antiferromagnetic Ni₃TeO₆ with chiral and polar lattice (involved)

Contributed talk, Session M32.4

Jaewook Kim, Xueyun Wang F.-T. Huang, S. Artyukhin, J. Yang, Y. Oh, D. Vanderbilt, S.-W. Cheong, E. D. Mun, M. Jaime, N. Harrison, A. Hansen, V. Zapf

APS March Meeting, San Antonio, Texas, Mar. 2015

Visualizing the native atomic defects in Bi₂Se₃ with scanning tunneling microscopy (involved)

Contributed talk, Session Y12.6

Jixia Dai, Damien West, Xueyun Wang, Yazhong Wang, Daniel Kwok, S.-W. Cheong, Shengbai Zhang, Weida Wu

APS March Meeting, San Antonio, Texas, Mar. 2015

Correlated Switching Dynamics in the Nanoscale Proximity of 90^∘ Ferroelectric Domain Walls (involved)

Contributed talk, Session L32.5

Shiming Lei, Xueyun Wang, S.-W. Cheong, L. Q. Chen, Sergei Kalinin, Venkatraman Gopalan

APS March Meeting, San Antonio, Texas, Mar. 2015

Magneticstructures in potential multiferroic GdCrO3 (involved)

Contributed talk, Session Q6.15

Pascal Manuel, Laurent Chapon, Dmitry Khalyavin, Xueyun Wang, S.-W. Cheong

APS March Meeting, San Antonio, Texas, Mar. 2015

2014

Topological structural vortices in hexagonal manganites

Invited talk

Louisiana State University, LA, Nov. 2014

Topological structural vortices and Kibble-Zurek Mechanism (Title has been changed)

Invited talk, on behalf of S. C. Chae, Session Y32. 04

APS March Meeting, Denver, CO, Mar. 2014

Chiral Domains in Ni₃TeO₆

Xueyun Wang, Fei-ting Huang, Yoon seok Oh, Sang-wook Cheong

DMREF (Designing Materials to Revolutionize and Engineer our Future) workshop, NSF.

Rutgers Univ. NJ. Nov. 2014

Recent discoveries on multiferroic vortex

Rutgers RCEM Journal Club

Xueyun Wang

Rutgers Univ. NJ, Jun. 2014

Z2×Z3 vortex density in hexagonal manganites and the Kibble-Zurek mechanism

Contributed talk, Session S41. 03

APS March Meeting, Denver, CO, Mar. 2014

Topological structural vortices and Kibble-Zurek Mechanism (Poster.pdf)

28^th Annual Symposium Laboratory for Surface Modification (LSM)

Rutgers Univ. NJ, Mar. 2014

Fluctuation-enhancedmagnetoelectric effect in hexagonal manganites (involved)

Contributed talk, Session S41. 06

Yanan Geng, Hena Das, A.L. Wysocki, Xueyun Wang, S-W. Cheong, M. Mostovoy, Craig J. Fennie, Weida Wu.

APS March Meeting, Denver, CO, Mar. 2014

Ellipsometry studies of the optical phonons in hexagonal manganites RMnO₃ (involved)

Contributed talk, Session L6. 07

R. Basistyy, T.N. Stanislavchuk, M. Kotelyanskii , N. Lee, Xueyun Wang, S-W. Cheong, G. L. Carr, A.A. Sirenko.

APS March Meeting, Denver, CO, Mar. 2014

2013

Domain Structure of Ni₃TeO₆

DMREF (Designing Materials to Revolutionize and Engineer our Future) workshop, NSF.

Rutgers Univ. NJ. Nov. 2013

Unfolding Vortices to Topological stripes in a multiferroic

Contributed talk, Session B21. 02

APS March Meeting, Baltimore, MD, Mar. 2013

Gapped Dirac surface states in In doped topological insulator Bi₂Se₃ (Involved)

Contributed talk, Session W13. 12

Weida Wu, Quantong Shen, Xueyun Wang, Sang-Wook Cheong

APS March Meeting, Baltimore, MD, Mar. 2013

Multiferroic vortices (Involved)

Contributed talk, Session B21. 01

Sang-Wook Cheong , Seung Chul Chae, Xueyun Wang, Fei-Ting Huang Yoichi Horibe

APS March Meeting, Baltimore, MD, Mar. 2013

Is hexagonal InMnO₃ ferroelectric? (Involved)

Contributed talk, Session B21. 05

Fei-Ting Huang , Yoichi Horibe, Xueyun Wang, Sang-Wook Cheong, Shigeo Mori

APS March Meeting, Baltimore, MD, Mar. 2013