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Transition Metal Dichalcogenides with Multifaceted Topological Phases and Topological Transport Phenomena

来源:合肥微尺度物质科学国家实验室    浏览次数:0


报告题目   Transition Metal Dichalcogenides with Multifaceted Topological Phases and Topological Transport Phenomena
报告人   Prof. YAN Binghai (颜丙海)
报告人单位   Weizmann Institute of Science, Israel
报告时间   2018-08-08   10:00
报告地点   合肥微尺度物质科学国家研究中心九楼会议室(9004)
主办单位   合肥微尺度物质科学国家研究中心、国际功能材料量子设计中心(ICQD)
报告介绍
Abstract:
The past decade has witnessed intensive research aimed at investigating the role of band-structure topology and discovering topological materials. In this talk, I will introduce our most recent progress on novel topological phases discovered in a well-known family of compounds, transition metal dichalcogenides (WTe2 and MoTe2). These phases include the Weyl semimetal, the monopole-nodal-ring semimetal and the higher-order topological insulator. Further, we find that the band-structure topology gives rise to an exotic nonlinear quantum Hall effect that exists with the time-reversal symmetry, distinct from the ordinary Hall effect.  
 
Biosketch:
  Binghai Yan received his PhD in physics at IASTU, Tsinghua University in 2008. After that, he worked as a Humboldt scholar in Germany and a postdoc in Stanford University. In 2012, he became a group leader in the Max Planck Institute in Dresden, Germany. Since 2017, he joins the Weizmann Institute of Science, Israel, as an assistant professor. He is a young scientist recognized for his theoretical study on topological materials, especially concrete predictions concerning materials that carry specific topological characteristics, many of which were verified by experiments. Recently, he was award the ARCHES Prize by the Minerva Foundation of Germany, and the Israel Physics Society Prize for Young Scientists.

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