杨琼导师主页
基本信息
姓名: 杨琼
职称: 副教授
单位电话: 0731-58298119
电子信箱: qyang@xtu.edu.cn
办公室: 微电子材料与器件系
个人主页:
个人简介

      杨琼,男,1986 年7月生,湖南岳阳人,博士,中共党员,主要从事面向新一代信息存储技术的铁电、多铁薄膜及存储单元的设计与第一性原理模拟,主要关注铁电性能起源和演化、磁电耦合、电致电阻等性质。主持国家自然科学基金青年项目一项、湖南省教育厅优秀青年项目一项、湖南省自然科学基金青年项目一项、湘潭大学科研启动项目一项、横向项目一项,同时作为骨干成员参与了多项国家自然科学基金研究。目前已在国际著名学术期刊Acta Materialia、Physical Review Applied、Journal of Physical Chemistry CApplied Physics Letters等发表SCI论文二十余篇。

硕士生情况:

2014级:甄江苏(获研究生国家奖学金)

2015级:李晓宇

2016级:范盼、周莹

2017级:丁伟同

2018级:张宇科、黄灿

欢迎材料、物理、力学、电子等相关专业的同学报考我的研究生,详情请E-mail咨询。

学习工作经历

教育经历:

  2008/09-2013/12,湘潭大学材料与光电物理学院,工学博士

  2004/09-2008/06,湘潭大学材料与光电物理学院,理学学士

工作经历:

  2018/11-至今,美国内布拉斯加大学林肯分校,访问学者

  2014/01-至今,湘潭大学材料科学与工程学院,教师

研究方向

铁电薄膜界面和应变效应、相变规律、电畴演化等

磁电耦合

铁电隧道结

功能氧化物材料辐射动力学

科研项目

在研项目:

1、湖南省教育厅优秀青年项目,HfO2基薄膜铁电性能界面调控机理的第一性原理研究,2019/1-2021/12

2、湖南省自然科学基金青年项目,铁电薄膜的缺陷演化及其调控的第一性原理研究,2017/01-2019/12

已结题项目:

1、国家自然科学基金青年项目,铁电薄膜畴壁结构及其动力学演化的第一性原理研究,2015/01-2017/12

2、湘潭大学科研启动项目,铁电薄膜界面调控的第一性原理研究,2015-2017

3、横向项目,SiO2重离子硬损伤的第一性原理和分子动力学研究,2014/07-2015/12

参与项目:

作为核心成员和实际完成人参与了国家自然科学基金重点项目等多项研究项目

 

代表性学术成果

[1] Q. Yang*, L. L. Tao, Z. Jiang, Y. C. Zhou, E. Y. Tsymbal*, and V. Alexandrov*, Magnetoelectric effect at the Ni/HfO2 interface induced by ferroelectric polarization, Physical Review Applied, Accepted

[2] P. Fan, Y. K. Zhang, Q. Yang*, J. Jiang, L. M. Jiang, M. Liao, and Y. C. Zhou*, Origin of the intrinsic ferroelectricity of HfO2 from ab initio molecular dynamics, Journal of Physical Chemistry C, Accepted

[3] Y. Zhou, Y. K. Zhang, Q. Yang*, J. Jiang, P. Fan, M. Liao, and Y. C. Zhou*, The effects of oxygen vacancies on ferroelectric phase transition of HfO2-based thin film from first-principle, Computational Materials Science 167, 143–150 (2019)

[4] J. Jiang, Q. Yang, Y. Zhang, X. Y. Li, P. W. Shao, Y. H. Hsieh, H. J. Liu, Q. X. Peng, G. K. Zhong, X. Q. Pan, Y. H. Chu*, and Y. C. Zhou*, Self-assembled ferroelectric nanoarray. ACS Applied Materials & Interfaces 11, 2205-2210 (2019)  

[5] X. Y. Li, Q. Yang*, J. X. Cao, L. Z. Sun, Q. X. Peng*, Y. C. Zhou, and R. X. Zhang, Domain wall motion in perovskite ferroelectrics studied by the nudged elastic band method, Journal of Physical Chemistry C 122, 3091–3100 (2018)

[6] J. L. Peng, D. L. Shan, Y. Y. Liu*, K. Pan, C. H. Lei, N. B. He, Z. Y. Zhang, and Q. Yang, A thermodynamic potential for barium zirconate titanate solid solutions, npj Computational Material 4, 66 (2018)

[7] Q. Yang, J. X. Cao*, Y. C. Zhou*, L. Z. Sun, and X. J. Lou, Dead layer effect and its elimination in ferroelectric thin film with oxide electrodes, Acta Materialia 112, 216-223 (2016)

[8] X.W. Jiang, Q. Yang, and J.X. Cao*, The effect of domain walls on leakage current in PbTiO3 thin films, Physics Letters A 380, 1071-1074 (2016)

[9] W.Q. Zhang, Q. Yang, Y.C. Zhou*, and J.X. Cao, Interface effect on leakage current of ferroelectric film, Computational Materials Science 115, 120-124 (2016)

[10] J. S. Zhen, Q. Yang*, Y. H. Yan, X. W. Jiang, S. A. Yan, W. Chen, and X. Q. Guo, Molecular dynamics study of structural damage in amorphous silica induced by swift heavy-ion radiation, Radiation Effects and Defects in Solids 171, 340-349 (2016)

[11] H. Liao, Q. Yang, Y. C. Zhou*, Y. Zhang, and L. M. Jiang, Tuning the physical properties of BNT ferroelectric film by miscut Si substrate, Ferroelectrics 478, 54-59 (2015)

[12] L. M. Jiang, Y. C. Zhou*, Y. Zhang, Q. Yang, Y. Gu, and L. Q. Chen, Polarization switching of the incommensurate phases induced by flexoelectric coupling in ferroelectric thin films, Acta Materialia 90, 344-354 (2015)

[13] L. M. Jiang, J. Y. Tang, Y. C. Zhou*, Q. Yang, Y. Zhang, L. L. Guo, and X. L. Zhong, Simulations of local-mechanical-stress-induced ferroelectric polarization switching by a multi-field coupling model of flexoelectric effect, Computational Materials Science 108, 309-315 (2015)

[14] 张文庆,杨琼,曹觉先,周益春*SrTiO3缓冲层引起的铁电薄膜极化对称性破缺,现代应用物理 6286-292 (2015)

[15] 姜杰,杨琼,周益春*,蒋丽梅,溶胶-凝胶法制备Mn掺杂的BaTiO3铁电薄膜,现代应用物理 6209-213 (2015)

[16] Q. Yang, J. X. Cao*, Y. C. Zhou*, Y. Zhang, Y. Ma, and X. J. Lou, Tunable oxygen vacancy configuration by strain engineering in perovskite ferroelectrics from first-principles study, Applied Physics Letters 103, 142911(1-5) (2013)

[17] Q. Yang, J. X. Cao*, Y. Ma*, Y. C. Zhou, L. M. Jiang, and X. L. Zhong, Strain effects on formation and migration energies of oxygen vacancy in perovskite ferroelectrics: A first-principles study, Journal of Applied Physics 113, 184110(1-5) (2013)

[18] Q. Yang, J. X. Cao*, Y. Ma, Y. C. Zhou*, X. J. Lou, and J. Yang, Interface effect on the magnitude and stability of ferroelectric polarization in ultrathin PbTiO3 films from first-principles study, Journal of Applied Physics 114, 034109(1-6) (2013)

[19] Q. Yang, J. X. Cao, Y. Ma, and Y. C. Zhou*, First principles study of polarization-strain coupling in SrBi2Ta2O9, AIP Advances 3, 052134(1-7) (2013)

[20] Q. Yang, H. Liao, J. X. Cao, Y. Ma, and Y. C. Zhou*, Spontaneous polarization and its strain effects for orthorhombic and monoclinic Bi4Ti3O12: A first principle study, International Journal of Modern Physics B 27, 1350138(1-7) (2013)

[21] J. H. Wen, Q. Yang, J. X. Cao*, and Y. C. Zhou, Strain control of the leakage current of the ferroelectric thin films, Acta Physica Sinica 62, 067701(1-5) (2013)