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报告题目Electron transport properties of NbTe2 and NiTe2 nanoflakes

报告人杨帆 副教授 (天津大学量子交叉研究中心) 

报告时间2021 年 11 月 12 日(周五)15:30

报告地点线上报告(腾讯会议:126 827 610)

报告摘要

      NbTe2 and NiTe2 are candidate materials of topological semimetal.  In this talk, I will summarize our recent results obtained in NbTe2 and NiTe2 nanoflakes. Possible origins of the observed linear magnetoresistance and unconvensional angular dependence of upper critical field will be discussed. 

报告人简介

      杨帆,2007年本科毕业于南京大学物理系,2012年于中科院物理所获得博士学位,2012 - 2018 年先后在大阪大学和科隆大学从事博士后研究,2018年至今在天津大学理学院量子交叉研究中心工作。杨帆主要从事量子输运和微纳米量子器件方面的研究。

参考文献:

 [1] S. Gu, K. Fan, Y. Yang, H. Wang, Y. Li, F. Qu, G. Liu, Z. Li, Z. Wang, Y. Yao, J. Li, L. Lu, and F. Yang, Classical linear magnetoresistance in exfoliated NbTe2 nanoflakes, Physical Review B 104, 115203 (2021).

 [2] C. Xu, B. Li, W. Jiao, W. Zhou, B. Qian, R. Sankar, N. D. Zhigadlo, Y. Qi, D. Qian, and F. Chou, Topological type-II Dirac fermions approaching the Fermi level in a transition metal dichalcogenide NiTe2, Chemistry of Materials 30, 4823 (2018).

 [3] M. Mandal and R. P. Singh, Emergent superconductivity by Re doping in type-II Weyl semimetal NiTe2, Journal of Physics: Condensed Matter 33, 135602 (2021).

[4] X. Zhang, T. Luo, X. Hu, J. Guo, G. Lin, Y. Li, Y. Liu, X. Li, J. Ge, and Y. Xing, Superconductivity and Fermi Surface Anisotropy in Transition Metal Dichalcogenide NbTe2, Chinese Physics Letters 36, 57402 (2019).

[5] H. Chen, Z. Li, X. Fan, L. Guo, and X. Chen, Quantum linear magnetoresistance in NbTe2, Solid State Communications 275, 16 (2018).




关闭窗口

天津大学理学院 量子交叉研究中心   地址:天津津南区 雅观路135号 天津大学北洋园校区32楼146 
Center for Joint Quantum Studies, School of Science, Tianjin University     Address : Yaguan Road 135, Jinnan District, 300350 Tianjin, P. R. China