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Robust linear magnetoresistance in WTe2

Unsaturated magnetoresistance (MR) has been reported in WTe2, and remains irrepressible up to very high field. Intense optimization of the crystalline quality causes a squarely-increasing MR, as interpreted by perfect compensation of opposite carriers. Herein we report our observation of linear MR (... Full description

Journal Title: arXiv.org May 29, 2015
Main Author: Xing-Chen, Pan
Other Authors: Pan, Yiming , Jiang, Juan , Zuo, Huakun , Liu, Huimei , Chen, Xuliang , Wei, Zhongxia , Zhang, Shuai , Wang, Zhihe , Wan, Xiangang , Yang, Zhaorong , Feng, Donglai , Xia, Zhengcai , Li, Liang , Song, Fengqi , Wang, Baigeng , Zhang, Yuheng , Wang, Guanghou
Format: Electronic Article Electronic Article
Language: English
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ID: DOI: 10.1007/s11467-016-0629-7
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recordid: proquest2081043330
title: Robust linear magnetoresistance in WTe2
format: Article
creator:
  • Xing-Chen, Pan
  • Pan, Yiming
  • Jiang, Juan
  • Zuo, Huakun
  • Liu, Huimei
  • Chen, Xuliang
  • Wei, Zhongxia
  • Zhang, Shuai
  • Wang, Zhihe
  • Wan, Xiangang
  • Yang, Zhaorong
  • Feng, Donglai
  • Xia, Zhengcai
  • Li, Liang
  • Song, Fengqi
  • Wang, Baigeng
  • Zhang, Yuheng
  • Wang, Guanghou
subjects:
  • Spectrum Analysis
  • Photoelectric Emission
  • Magnetoresistance
  • Density Functional Theory
  • Robustness
  • Magnetoresistivity
  • Optimization
ispartof: arXiv.org, May 29, 2015
description: Unsaturated magnetoresistance (MR) has been reported in WTe2, and remains irrepressible up to very high field. Intense optimization of the crystalline quality causes a squarely-increasing MR, as interpreted by perfect compensation of opposite carriers. Herein we report our observation of linear MR (LMR) in WTe2 crystals, the onset of which is first identified by constructing the mobility spectra of the MR at low fields. The LMR further intensifies and predominates at fields higher than 20 Tesla while the parabolic MR gradually decays. The LMR remains unsaturated up to a high field of 60 Tesla and persists, even at a high pressure of 6.2 GPa. Assisted by density functional theory calculations and detailed mobility spectra, we find the LMR to be robust against the applications of high field, broken carrier balance, and mobility suppression. Angle-resolved photoemission spectroscopy reveals a unique quasilinear energy dispersion near the Fermi level. Our results suggest that the robust LMR...
language: eng
source:
identifier: DOI: 10.1007/s11467-016-0629-7
fulltext: fulltext_linktorsrc
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titleRobust linear magnetoresistance in WTe2
creatorXing-Chen, Pan ; Pan, Yiming ; Jiang, Juan ; Zuo, Huakun ; Liu, Huimei ; Chen, Xuliang ; Wei, Zhongxia ; Zhang, Shuai ; Wang, Zhihe ; Wan, Xiangang ; Yang, Zhaorong ; Feng, Donglai ; Xia, Zhengcai ; Li, Liang ; Song, Fengqi ; Wang, Baigeng ; Zhang, Yuheng ; Wang, Guanghou
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ispartofarXiv.org, May 29, 2015
identifierDOI: 10.1007/s11467-016-0629-7
subjectSpectrum Analysis ; Photoelectric Emission ; Magnetoresistance ; Density Functional Theory ; Robustness ; Magnetoresistivity ; Optimization
descriptionUnsaturated magnetoresistance (MR) has been reported in WTe2, and remains irrepressible up to very high field. Intense optimization of the crystalline quality causes a squarely-increasing MR, as interpreted by perfect compensation of opposite carriers. Herein we report our observation of linear MR (LMR) in WTe2 crystals, the onset of which is first identified by constructing the mobility spectra of the MR at low fields. The LMR further intensifies and predominates at fields higher than 20 Tesla while the parabolic MR gradually decays. The LMR remains unsaturated up to a high field of 60 Tesla and persists, even at a high pressure of 6.2 GPa. Assisted by density functional theory calculations and detailed mobility spectra, we find the LMR to be robust against the applications of high field, broken carrier balance, and mobility suppression. Angle-resolved photoemission spectroscopy reveals a unique quasilinear energy dispersion near the Fermi level. Our results suggest that the robust LMR...
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titleRobust linear magnetoresistance in WTe2
descriptionUnsaturated magnetoresistance (MR) has been reported in WTe2, and remains irrepressible up to very high field. Intense optimization of the crystalline quality causes a squarely-increasing MR, as interpreted by perfect compensation of opposite carriers. Herein we report our observation of linear MR (LMR) in WTe2 crystals, the onset of which is first identified by constructing the mobility spectra of the MR at low fields. The LMR further intensifies and predominates at fields higher than 20 Tesla while the parabolic MR gradually decays. The LMR remains unsaturated up to a high field of 60 Tesla and persists, even at a high pressure of 6.2 GPa. Assisted by density functional theory calculations and detailed mobility spectra, we find the LMR to be robust against the applications of high field, broken carrier balance, and mobility suppression. Angle-resolved photoemission spectroscopy reveals a unique quasilinear energy dispersion near the Fermi level. Our results suggest that the robust LMR...
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authorXing-Chen, Pan ; Pan, Yiming ; Jiang, Juan ; Zuo, Huakun ; Liu, Huimei ; Chen, Xuliang ; Wei, Zhongxia ; Zhang, Shuai ; Wang, Zhihe ; Wan, Xiangang ; Yang, Zhaorong ; Feng, Donglai ; Xia, Zhengcai ; Li, Liang ; Song, Fengqi ; Wang, Baigeng ; Zhang, Yuheng ; Wang, Guanghou
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abstractUnsaturated magnetoresistance (MR) has been reported in WTe2, and remains irrepressible up to very high field. Intense optimization of the crystalline quality causes a squarely-increasing MR, as interpreted by perfect compensation of opposite carriers. Herein we report our observation of linear MR (LMR) in WTe2 crystals, the onset of which is first identified by constructing the mobility spectra of the MR at low fields. The LMR further intensifies and predominates at fields higher than 20 Tesla while the parabolic MR gradually decays. The LMR remains unsaturated up to a high field of 60 Tesla and persists, even at a high pressure of 6.2 GPa. Assisted by density functional theory calculations and detailed mobility spectra, we find the LMR to be robust against the applications of high field, broken carrier balance, and mobility suppression. Angle-resolved photoemission spectroscopy reveals a unique quasilinear energy dispersion near the Fermi level. Our results suggest that the robust LMR...
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date2015-05-29