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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).




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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