Single Crystal Growth and Magnetoresistivity of Topological Semimetal CoSi
D. S. Wu1,2 , Z. Y. Mi1,2 , Y. J. Li1,2 , W. Wu1,2 , P. L. Li1,2 , Y. T. Song1,2 , G. T. Liu1,2,3 , G. Li1,2,3** , J. L. Luo1,2,3**
1 Institute of Physics and Beijing National Laboratory for Condensed Matter Physics, Chinese Academy of Sciences, Beijing 1001902 School of Physical Sciences, University of Chinese Academy of Sciences, Beijing 1001903 Songshan Lake Materials Laboratory, Dongguan 523808
Abstract ：We report single crystal growth of CoSi, which has recently been recognized as a new type of topological semimetal hosting fourfold and sixfold degenerate nodes. The Shubnikov–de Haas quantum oscillation (QO) is observed on our crystals. There are two frequencies originating from almost isotropic bulk electron Fermi surfaces, in accordance with band structure calculations. The effective mass, scattering rate, and QO phase difference of the two frequencies are extracted and discussed.
收稿日期: 2019-05-07
出版日期: 2019-06-20
:
71.20.Be
(Transition metals and alloys)
71.18.+y
(Fermi surface: calculations and measurements; effective mass, g factor)
72.15.-v
(Electronic conduction in metals and alloys)
引用本文:
. [J]. 中国物理快报, 2019, 36(7): 77102-.
链接本文:
https://cpl.iphy.ac.cn/CN/10.1088/0256-307X/36/7/077102
或
https://cpl.iphy.ac.cn/CN/Y2019/V36/I7/77102
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2019, Vol. 36 
