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  Large out-of-plane and linear in-plane magnetoresistance in layered hafnium pentatelluride

Kumar, N., Shekhar, C., Wang, M., Chen, Y., Borrmann, H., & Felser, C. (2017). Large out-of-plane and linear in-plane magnetoresistance in layered hafnium pentatelluride. Physical Review B, 95(15): 155128, pp. 1-7. doi:10.1103/PhysRevB.95.155128.

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Item Permalink: http://hdl.handle.net/11858/00-001M-0000-002D-4997-9 Version Permalink: http://hdl.handle.net/11858/00-001M-0000-002D-D40C-7
Genre: Journal Article

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 Creators:
Kumar, Nitesh1, Author              
Shekhar, Chandra2, Author              
Wang, Meixiao3, Author
Chen, Yulin3, Author
Borrmann, Horst4, Author              
Felser, Claudia5, Author              
Affiliations:
1Inorganic Chemistry, Max Planck Institute for Chemical Physics of Solids, Max Planck Society, ou_1863425              
2Chandra Shekhar, Inorganic Chemistry, Max Planck Institute for Chemical Physics of Solids, Max Planck Society, ou_1863428              
3External Organizations, ou_persistent22              
4Horst Borrmann, Chemical Metal Science, Max Planck Institute for Chemical Physics of Solids, Max Planck Society, ou_1863410              
5Claudia Felser, Inorganic Chemistry, Max Planck Institute for Chemical Physics of Solids, Max Planck Society, ou_1863429              

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 Abstract: The prediction of the quantum spin Hall effect in two-dimensional ZrTe5 and HfTe5 monolayers has generated considerable recent interest in these materials. In addition, Dirac points and chiral-anomaly-induced negative longitudinal magnetoresistance (MR) have been observed in ZrTe5. Herein, we study the transport behavior of HfTe5 single crystals in detail and find a large (0.9 x 10(4)%) out-of-plane transverse MR, which is among the highest for layered materials reported thus far. We also encounter a large linear in-plane transverse (magnetic field parallel to c, current parallel to a) MR and discuss its possible origin. The mass anisotropy (gamma = 5.4 at 125 K) obtained by scaling angle-dependent MR data is consistent with the HfTe5 elliptical Fermi surface.

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Language(s): eng - English
 Dates: 2017-04-172017-04-17
 Publication Status: Published in print
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Title: Physical Review B
  Abbreviation : Phys. Rev. B
Source Genre: Journal
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Publ. Info: Woodbury, NY : American Physical Society
Pages: - Volume / Issue: 95 (15) Sequence Number: 155128 Start / End Page: 1 - 7 Identifier: ISSN: 1098-0121
CoNE: /journals/resource/954925225008