Single Crystal Growth and Magnetoresistivity of Topological Semimetal CoSi

• 来源期刊: 中国物理快报（英文版）
• 年，卷（期）: 2019,（7）
• 页码范围: 77-81
• 页数: 5页
• 语种: 英文
• DOI: 10.1088/0256-307X/36/7/077102

摘要

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.