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,主要从事信息存储铁电薄膜的微观结构设计和性能模拟研究。主持国家自然科学基金青年项目一项、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、Journal of Physical Chemistry CApplied Physics Letters、Journal of Applied Physics等发表SCI论文十余篇。近年来研究方向主要有:铁电薄膜界面和应变效应、电畴和缺陷演化、输运电流的研究;铁电薄膜及其异质结的微结构设计与性能调控方法的研究;功能氧化物材料辐射动力学研究。

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

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(硕博连读)

  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:

  2014/01-至今,湘潭大学材料科学与工程学院,教师

研究方向

铁电薄膜电畴演化规律、界面和应变效应、缺陷演化、输运电流的研究

铁电存储器结构设计与性能调控方法的研究

功能氧化物材料辐射动力学研究

科研项目

在研项目:

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、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

3、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

已结题项目:

1、湖南省研究生科研创新项目,铋层状钙钛矿铁电薄膜极化性质的应变效应,2010-2012

2、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, 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

[2] 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

[3] 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

[4] 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

[5] 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

[6] 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

[7] 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

[8] 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

[9] 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

[10] 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

[11] 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

[12] 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

[13] 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

[14] 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

[15] 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 6286-2922015

[16] 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 6209-2132015