Spin texture in type-II Weyl semimetal WTe2

Feng, Baojie; Chan, Yang-Hao; Feng, Ya; Liu, Ro-Ya; Chou, Mei-Yin; Kuroda, Kenta; Yaji, Koichiro; Harasawa, Ayumi; Moras, Paolo

Spin texture in type-II Weyl semimetal WTe2

Feng, Baojie; Chan, Yang-Hao; Feng, Ya; Liu, Ro-Ya; Chou, Mei-Yin; Kuroda, Kenta; Yaji, Koichiro; Harasawa, Ayumi; Moras, Paolo

URI: http://hdl.handle.net/10725/16692

URL: https://journals.aps.org/prb/abstract/10.1103/PhysRevB.94.195134

DOI: https://doi.org/10.1103/PhysRevB.94.195134

Date: 2016-11-18

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Abstract:

We determine the band structure and spin texture of WTe2 by spin- and angle-resolved photoemission spectroscopy (SARPES). With the support of first-principles calculations, we reveal the existence of spin polarization of both the Fermi arc surface states and bulk Fermi pockets. Our results support WTe2 to be a type-II Weyl semimetal candidate and provide important information to understand its extremely large and nonsaturating magnetoresistance.

Citation:

Feng, B., Chan, Y. H., Feng, Y., Liu, R. Y., Chou, M. Y., Kuroda, K., ... & Matsuda, I. (2016). Spin texture in type-II Weyl semimetal WTe 2. Physical Review B, 94(19), 195134.

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