期刊
SOLID STATE COMMUNICATIONS
卷 275, 期 -, 页码 16-20出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.ssc.2018.02.019
关键词
NbTe2; Linear magnetoreisistance; Charge density wave; Anisotropy
资金
- National Natural Science Foundation of China [91422303, 51532010, 5147226]
NbTe2 is a quasi-2D layered semimetal with charge density wave ground state showing a distorted-1T structure at room temperature. Here we report the anisotropic magneto-transport properties of NbTe2 . An anomalous linear magnetoresistance up to 30% at 3 K in 9 T was observed, which can be well explained by a quantum linear magnetoresistance model. Our results reveal that a large quasi-2D Fermi surface and small Fermi pockets with linearly dispersive bands coexist in NbTe2 . The comparison with the isostructural TaTe2 provides more information about the band structure evolution with charge density wave transitions in NbTe2 and TaTe2
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