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Anisotropic magnetotransport and exotic longitudinal linear magnetoresistance in WTe2 crystals

Journal Article · · Physical Review. B, Condensed Matter and Materials Physics
 [1];  [1];  [2];  [3];  [4];  [1];  [1];  [1];  [5];  [6];  [4];  [3];  [2];  [1];  [7];  [1]
  1. Peking Univ., Beijing (China); Collaborative Innovation Center of Quantum Matter, Beijing (China)
  2. Univ. of Tennessee, Knoxville, TN (United States); Oak Ridge National Lab. (ORNL), Oak Ridge, TN (United States)
  3. Collaborative Innovation Center of Quantum Matter, Beijing (China); Peking Univ., Beijing (China)
  4. Zhejiang Univ., Hangzhou (China).
  5. Soochow Univ., Suzhou (China)
  6. Soochow Univ., Jiangsu (China)
  7. Huazhong Univ. of Science and Technology, Wuhan (China)

Recently, the WTe2 semimetal, as a typical layered transition-metal dichalcogenide, attracted much attention due to an extremely large, non-saturating 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. These 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. Finally, our work may stimulate studies of double-carrier correlated materials and the corresponding quantum physics.

Research Organization:
Oak Ridge National Laboratory (ORNL), Oak Ridge, TN (United States)
Sponsoring Organization:
USDOE Office of Science (SC), Basic Energy Sciences (BES) (SC-22)
Grant/Contract Number:
AC05-00OR22725
OSTI ID:
1265815
Alternate ID(s):
OSTI ID: 1198656
Journal Information:
Physical Review. B, Condensed Matter and Materials Physics, Journal Name: Physical Review. B, Condensed Matter and Materials Physics Journal Issue: 4 Vol. 92; ISSN 1098-0121; ISSN PRBMDO
Publisher:
American Physical Society (APS)Copyright Statement
Country of Publication:
United States
Language:
English

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Evidence for topological type-II Weyl semimetal WTe2 journal December 2017
Negative longitudinal magnetoresistance in gallium arsenide quantum wells journal January 2019
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Pressure induced superconductivity bordering a charge-density-wave state in NbTe4 with strong spin-orbit coupling journal April 2018
Anisotropic magnetotransport and extremely large magnetoresistance in NbAs2 single crystals journal April 2018
Anisotropic transverse magnetoresistance and Fermi surface in TaSb2 journal July 2018
Galvanomagnetic properties of the putative type-II Dirac semimetal PtTe2 journal July 2018
Coherent optical phonon oscillation and possible electronic softening in WTe2 crystals journal July 2016
Evidence for trivial Berry phase and absence of chiral anomaly in semimetal NbP journal April 2017
Tuning the magnetoresistance of ultrathin WTe 2 sheets by electrostatic gating journal January 2016
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In-plane anisotropic electronics based on low-symmetry 2D materials: progress and prospects journal January 2020
Negative to positive crossover of the magnetoresistance in layered WS 2 journal April 2016
Magneto-transport properties of proposed triply degenerate topological semimetal Pd 3 Bi 2 S 2 journal April 2018
Deviation from the Kohler’s rule and Shubnikov–de Haas oscillations in type-II Weyl semimetal WTe 2 : High magnetic field study up to 56 T journal October 2018
Anisotropy in the electronic transport properties of Weyl semimetal WTe 2 single crystals journal October 2018
First-principles study of lattice thermal conductivity of Td–WTe 2 journal March 2016
Large magnetoresistance in LaBi: origin of field-induced resistivity upturn and plateau in compensated semimetals journal August 2016
Topology of triple-point metals journal July 2019
Effect of aging-induced disorder on the quantum transport properties of few-layer WTe 2 journal December 2016
Electronic properties of candidate type-II Weyl semimetal WTe 2 . A review perspective journal March 2019
Quantum oscillations of thermopower in WTe 2 thin films journal December 2019
Origin of the turn-on temperature behavior in WTe 2 journal November 2015
Breakdown of compensation and persistence of nonsaturating magnetoresistance in gated WT e 2 thin flakes journal March 2016
Charge compensation in extremely large magnetoresistance materials LaSb and LaBi revealed by first-principles calculations journal June 2016
Observation of Fermi arc and its connection with bulk states in the candidate type-II Weyl semimetal WTe 2 journal December 2016
Tunability of the topological nodal-line semimetal phase in ZrSi X -type materials ( X = S ,   Se ,   Te ) journal April 2017
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Anisotropic electrodynamics of type-II Weyl semimetal candidate WTe 2 journal June 2017
Extreme magnetoresistance in the topologically trivial lanthanum monopnictide LaAs journal December 2017
Extremely large magnetoresistance in the topologically trivial semimetal α − WP 2 journal June 2018
Thickness-dependent electronic structure in WTe 2 thin films journal July 2018
Probing the origin of extreme magnetoresistance in Pr/Sm mono-antimonides/bismuthides journal January 2019
Drastic Pressure Effect on the Extremely Large Magnetoresistance in WTe 2 : Quantum Oscillation Study journal July 2015
Temperature-Induced Lifshitz Transition in WTe 2 journal October 2015
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Magneto-transport properties of proposed triply degenerate topological semimetal Pd$_{3}$Bi$_{2}$S$_{2}$ text January 2018
Extreme magnetoresistance in the topologically trivial lanthanum monopnictide LaAs text January 2018
Pressure induced superconductivity bordering a charge-density-wave state in NbTe4 with strong spinorbit coupling text January 2018
Galvanomagnetic properties of the putative type-II Dirac semimetal PtTe$_2$ text January 2018
Gate tunable giant anisotropic resistance in ultra-thin GaTe text January 2019

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