陈伟津

材料学院 副教授



电子邮件
chenweijin@mail.sysu.edu.cn



教育背景2010年，中山大学，逸仙班物理学，理学学士学位
2015年，中山大学，凝聚态物理，理学博士学位
工作履历2015年-2018年，中山大学中法核工程技术学院，讲师
2018年9月-2019年，中山大学材料学院，讲师
2020年1月至今，中山大学材料学院，副教授
学术兼职无
主讲课程物理化学
学术成果【学术表现】长期致力于固体力学/功能材料领域, 综合运用密度泛函理论计算、分子动力学、蒙特卡洛、有效哈密顿方法、微磁模拟、相场模拟、有限元及热力学解析建模等理论手段, 并结合脉冲激光沉积、原子力显微镜等实验制备和表征手段, 从事铁电、铁磁、金属-绝缘相变等功能材料微结构演化、微结构调控功能材料性能、微结构材料体系开发及相关应用研究。
目前在Rep. Prog. Phys., J. Mech. Phys. Solids, Acta Mater., npj Comput. Mater., Phys. Rev. B, Phys. Rev. Mater., ACS Appl. Electron. Mater.等国际物理、力学及材料期刊发表第一或通讯作者论文近30篇，撰写学术专著章节2篇，多次应邀参加国际及全国学术会议并作报告。主持国家自然科学基金面上项目、青年项目及高校基本科研业务费青年教师培育项目。
【主要论著】(1) Ding, L. L., Ji, Y., Zhang, X. Y., Xiong, W. M., Chen, W. J. *, Zhang, B. M., Wang, B.*, Zheng, Y*. Characterization and control of vortex and antivortex domain defects in quadrilateral ferroelectric nanodots. Physical Review Materials, 2019, 3, 104417.
(2) Ji, Y., Chen, W. J. *, Zheng, Y*. Crossover of polar and toroidal orders in ferroelectric nanodots with a morphotropic phase boundary and nonvolatile polar-vortex transformations. Physical Review B, 2019, 100, 014101.
(3) Jiang, G. L., Chen, Y., Ji, Y., Chen, W. J.*, Zhang, X. Y. *, Zheng, Y *. Strong polarity asymmetry and abnormal mechanical electroresistance effect in the organic monolayer tunnel junction. ACS Applied Electronic Materials, 2019, 1, 1084.
(4) Chen, W. J., Liu, L. J., Ji, Y., Zheng, Y*. Skyrmion ratchet effect driven by a biharmonic force. Physical Review B, 2019, 99, 064431.
(5) Chen, W. J., Zhou, Y. A., Wang, S. X., Sun, F. Y., Zheng, Y. Phase field study the effects of interfacial energy anisotropy on the thermal migration of voids. Computational Materials Science, 2019, 159: 177.
(6) Liu, J. Y., Ji, Y., Yuan, S., Ding, L. L., Chen, W. J.*, Zheng, Y*. Controlling polar-toroidal multi-order states in twisted ferroelectric nanowires. npj Computational Materials, 2018, 4: 78.
(7) Ma, L. L., Ji, Y., Chen, W. J.*, Liu, J. Y., Liu, Y. L., Wang, B.*, Zheng, Y.* Direct electrical switching of ferroelectric vortices by a sweeping biased tip. Acta Materialia, 2018, 158: 23-37.
(8) Chen, W. J., Yuan, S., Ma, L. L., Ji, Y., Wang, B., Zheng, Y.* Mechanical switching in ferroelectrics by shear stress and its implications on charged domain wall generation and vortex memory devices. RSC Advances, 2018, 8: 4434.
(9) Chen, W. J., Liu, J. Y., Ma, L. L., Liu, L. J., Jiang, G. L., Zheng, Y.* Mechanical switching of ferroelectric domains beyond flexoelectricity. Journal of the Mechanics and Physics of Solids, 2018, 111: 43-66.
(10) Chen, W. J., Peng, Y. Y., Li, X. A., Chen, K. L., Wei, L. F., Zheng, Y.*, Wang, B.* Phase-field study on geometry-dependent migration behavior of voids under temperature gradient in UO2 crystal matrix. Journal of Applied Physics, 2017, 122: 154102.
(11) Zheng, Y.*, Chen, W. J.* Characteristics and controllability of vortices in ferromagnetics, ferroelectrics and multiferroics. Reports on Progress in Physics, 2017, 80: 086501.
(12) Jiang, G. L., Chen, W. J.*, Wang, B., Shao, J., Zheng, Y.* Diverse polarization bi-stability in ferroelectric tunnel junctions due to the effects of electrode and strain: An ab initio study. Physical Chemistry Chemical Physics, 2017, 19: 20147.
(13) Chen, W. J., Zheng, Y.*, Feng, X.*, Wang, B.* Utilizing mechanical loads and flexoelectricity to induce and control complicated evolution of domain patterns in ferroelectric nanofilms, Journal of the Mechanics and Physics of Solids, 2015, 79: 108-133.
(14) Chen, W. J., Zheng, Y.* Vortex switching in ferroelectric nanodots and its feasibility by a homogeneous electric field: Effects of substrate, dislocations and local clamping force, Acta Materialia, 2015, 88: 41-54.
(15) Chen, W. J., Zheng, Y.*, Wang, B.* Large and tunable polar-toroidal coupling in ferroelectric composite nanowires toward superior electromechanical responses. Scientific Reports, 2015, 5: 11165.
(16) Chen, W. J., Zheng, Y.*, Xiong, W. M., Feng, X.*, Wang, B.*, Wang, Y. Effect of mechanical loads on stability of nanodomains in ferroelectric ultrathin films: Towards flexible erasing of the non-volatile memories. Scientific Reports, 2014, 4: 5339.
(17) Chen, W. J., Zheng, Y.*, Luo, X., Wang, B.*, Woo, C. H. Ab initio study on the size effect of symmetric and asymmetric ferroelectric tunnel junctions: A comprehensive picture with regard to the details of electrode/ferroelectric interfaces. Journal of Applied Physics, 2013, 114: 1267.
(18) Chen, W. J., Zheng, Y.*, Wang, B.*, Ma, D. C., Ling, F. R. Vortex domain structures of an epitaxial ferroelectric nanodot and its temperature-misfit strain phase diagram. Physical Chemistry Chemical Physics, 2013, 5: 7277.
(19) Chen, W. J., Zheng, Y.*, Wang, B.* Vortex domain structure in ferroelectric nanoplatelets and control of its transformation by mechanical load. Scientific Reports, 2012, 2: 796.
(20) Chen, W. J., Zheng, Y.*, Wang, B.* Phase field simulations of stress controlling the vortex domain structures in ferroelectric nanosheets. Applied Physics Letters, 2012, 100: 062901.
【科研课题】?
【发明专利】?
【学术会议报告】?
奖励与荣誉1. 国家研究生奖学金, 2011-2012
2. 国家研究生奖学金, 2012-2013
3. 国家研究生奖学金, 2013-2014
4. 杨振宁研究生奖学金, 2015