Experimental observations indicating the topological nature of the edge states on HfTe5

10 Mar 2020 Liu Rui-Zhe Huang Xiong Zhao Ling-Xiao Liu Li-Min Yin Jia-Xin Wu Rui Chen Gen-Fu Wang Zi-Qiang Pan Shuheng H.

The topological edge states of two-dimensional topological insulators with large energy gap furnish ideal conduction channels for dissipationless current transport. Transition metal tellurides XTe5 (X=Zr, Hf) are theoretically predicted to be large-gap two-dimensional topological insulators and the experimental observations of their bulk insulating gap and in-gap edge states have been reported, but the topological nature of these edge states still remains to be further elucidated... (read more)

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  • MATERIALS SCIENCE
  • MESOSCALE AND NANOSCALE PHYSICS