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).