TY - JOUR
T1 - Anisotropic magnetotransport and exotic longitudinal linear magnetoresistance in WTe2 crystals
AU - Zhao, Yanfei
AU - Liu, Haiwen
AU - Yan, Jiaqiang
AU - An, Wei
AU - Liu, Jun
AU - Zhang, Xi
AU - Wang, Huichao
AU - Liu, Yi
AU - Jiang, Hua
AU - Li, Qing
AU - Wang, Yong
AU - Li, Xin Zheng
AU - Mandrus, David
AU - Xie, X. C.
AU - Pan, Minghu
AU - Wang, Jian
N1 - Publisher Copyright:
©2015 American Physical Society.
PY - 2015/7/6
Y1 - 2015/7/6
N2 - The WTe2 semimetal, as a typical layered transition-metal dichalcogenide, has recently attracted much attention due to an extremely large, nonsaturating parabolic magnetoresistance in the perpendicular field. Here, we report a systematic study of the angular dependence of the magnetoresistance in a WTe2 single crystal. The significant anisotropic magnetotransport behavior in different magnetic field directions and violation of the Kohler's rule are observed. Unexpectedly, when the applied field and excitation current are both parallel to the tungsten chains of WTe2, an exotic large longitudinal linear magnetoresistance as high as 1200% at 15T and 2K is identified. Our results imply that the WTe2 semimetal, due to its balanced hole and electron populations, seems to be the first material for which a large longitudinal linear magnetoresistance appears when the external magnetic field is parallel to the applied current. Our work may stimulate studies of double-carrier correlated materials and the corresponding quantum physics.
AB - The WTe2 semimetal, as a typical layered transition-metal dichalcogenide, has recently attracted much attention due to an extremely large, nonsaturating parabolic magnetoresistance in the perpendicular field. Here, we report a systematic study of the angular dependence of the magnetoresistance in a WTe2 single crystal. The significant anisotropic magnetotransport behavior in different magnetic field directions and violation of the Kohler's rule are observed. Unexpectedly, when the applied field and excitation current are both parallel to the tungsten chains of WTe2, an exotic large longitudinal linear magnetoresistance as high as 1200% at 15T and 2K is identified. Our results imply that the WTe2 semimetal, due to its balanced hole and electron populations, seems to be the first material for which a large longitudinal linear magnetoresistance appears when the external magnetic field is parallel to the applied current. Our work may stimulate studies of double-carrier correlated materials and the corresponding quantum physics.
UR - https://www.scopus.com/pages/publications/84937919529
U2 - 10.1103/PhysRevB.92.041104
DO - 10.1103/PhysRevB.92.041104
M3 - Article
AN - SCOPUS:84937919529
SN - 1098-0121
VL - 92
JO - Physical Review B - Condensed Matter and Materials Physics
JF - Physical Review B - Condensed Matter and Materials Physics
IS - 4
M1 - 041104
ER -