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Title: Linear magnetoresistance caused by mobility fluctuations in n -doped Cd 3 As 2

Journal Article · · Physical Review Letters
 [1];  [1];  [1];  [2];  [2];  [1];  [1];  [3];  [3];  [4];  [4];  [1];  [5]
  1. Univ. of Oxford, Oxford (United Kingdom)
  2. Lab. National des Champs Magnetiques Intenses (CNRS), Toulouse (France)
  3. Max-Planck-Institut fur Chemische Physik fester Stoffe, Dresden (Germany)
  4. Iowa State Univ., Ames, IA (United States)
  5. Naval Research Lab., Washington, D.C. (United States)

Cd3As2 is a candidate three-dimensional Dirac semimetal which has exceedingly high mobility and nonsaturating linear magnetoresistance that may be relevant for future practical applications. We report magnetotransport and tunnel diode oscillation measurements on Cd3As2, in magnetic fields up to 65 T and temperatures between 1.5 and 300 K. We find that the nonsaturating linear magnetoresistance persists up to 65 T and it is likely caused by disorder effects, as it scales with the high mobility rather than directly linked to Fermi surface changes even when approaching the quantum limit. As a result of the observed quantum oscillations, we determine the bulk three-dimensional Fermi surface having signatures of Dirac behavior with a nontrivial Berry phase shift, very light effective quasiparticle masses, and clear deviations from the band-structure predictions. In very high fields we also detect signatures of large Zeeman spin splitting (g~16).

Research Organization:
Ames Laboratory (AMES), Ames, IA (United States)
Sponsoring Organization:
USDOE
Grant/Contract Number:
EP/L001772/1; EP/I004475/1; EP/I017836/1EP/I004475/1; EP/K04074X/1; AC02- 07CH11358; N66001-11-1-4105
OSTI ID:
1234455
Alternate ID(s):
OSTI ID: 1179919
Report Number(s):
IS-J-8852; PRLTAO
Journal Information:
Physical Review Letters, Vol. 114, Issue 11; ISSN 0031-9007
Publisher:
American Physical Society (APS)Copyright Statement
Country of Publication:
United States
Language:
English
Citation Metrics:
Cited by: 289 works
Citation information provided by
Web of Science

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Evidence of Both Surface and Bulk Dirac Bands and Anisotropic Nonsaturating Magnetoresistance in ZrSiS journal August 2016
Layered Topological Insulators and Semimetals for Magnetoresistance Type Sensors journal December 2018
Negative magnetoresistance in Weyl semimetals NbAs and NbP: Intrinsic chiral anomaly and extrinsic effects journal June 2017
Transport evidence of 3D topological nodal-line semimetal phase in ZrSiS journal July 2017
Giant negative magnetoresistance induced by the chiral anomaly in individual Cd3As2 nanowires journal December 2015
Zeeman splitting and dynamical mass generation in Dirac semimetal ZrTe5 journal August 2016
Thermoelectric signature of the chiral anomaly in Cd3As2 journal October 2016
A magnetic topological semimetal Sr1−yMn1−zSb2 (y, z < 0.1) journal July 2017
Extremely large magnetoresistance and ultrahigh mobility in the topological Weyl semimetal candidate NbP journal June 2015
Quantum Hall states observed in thin films of Dirac semimetal Cd3As2 journal December 2017
Negative longitudinal magnetoresistance in gallium arsenide quantum wells journal January 2019
Quantized surface transport in topological Dirac semimetal films journal June 2019
Topological behavior and Zeeman splitting in trigonal PtBi2-x single crystals journal February 2020
Fermi surface topology and signature of surface Dirac nodes in LaBi journal July 2017
Structural characterisation of high-mobility Cd3As2 films crystallised on SrTiO3 journal February 2018
π Berry phase and Zeeman splitting of Weyl semimetal TaP journal January 2016
Nearly massless Dirac fermions hosted by Sb square net in BaMnSb2 journal July 2016
Semimetal-semiconductor transition and giant linear magnetoresistances in three-dimensional Dirac semimetal Bi 0.96 Sb 0.04 single crystals journal September 2015
Unconventional large linear magnetoresistance in Cu 2− x Te journal May 2018
Peculiar behavior of magnetoresistance in HgSe single crystal with low electron concentration journal February 2018
Magneto-resistance in pristine and irradiated TaAs 2 journal April 2019
Inverse-perovskites A 3 B O ( A = Sr, Ca, Eu/ B = Pb, Sn): A platform for control of Dirac and Weyl Fermions journal December 2019
Vanishing quantum oscillations in Dirac semimetal ZrTe 5 journal August 2018
Hot electron cooling in Dirac semimetal Cd 3 As 2 due to polar optical phonons journal June 2018
Quantum transport properties of the three-dimensional Dirac semimetal Cd 3 As 2 single crystals journal November 2016
Transport evidence of mass-less Dirac fermions in (Cd 1−x−y Zn x Mn y ) 3 As 2 (x + y = 0.4) journal January 2020
Quantum oscillations in acoustic phonons in Weyl semimetals journal February 2020
Topological Dirac semimetal phase in Pd and Pt oxides journal January 2017
Correlated Dirac semimetallic state with unusual positive magnetoresistance in strain-free perovskite SrIrO 3 journal March 2017
Disentangling surface and bulk transport in topological-insulator p n junctions journal September 2017
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Fano Interference between Bulk and Surface States of a Dirac Semimetal Cd 3 As 2 Nanowire journal June 2018
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Multiple band crossings and Fermi surface topology: Role of double nonsymmorphic symmetries in MnP-type crystal structures journal September 2019
Gate-tuned quantum Hall states in Dirac semimetal (Cd 1− x Zn x ) 3 As 2 journal May 2018
Vapor-Phase Synthesis and Magnetoresistance of (Cd0.993Zn0.007)3As2 Single Crystals journal February 2019
Magnetic Susceptibility of Topological Semimetals journal August 2019
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Thermoelectric quantum oscillations in ZrSiS journal May 2017
Weak antilocalization in Cd3As2 thin films journal March 2016
Ultrahigh Hall mobility and suppressed backward scattering in layered semiconductor Bi 2 O 2 Se journal August 2018
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Large nonsaturating magnetoresistance and signature of nondegenerate Dirac nodes in ZrSiS journal February 2017
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Thermoelectric transport coefficients of a Dirac electron gas in high magnetic fields journal October 2019
The linear Dirac spectrum and the Weyl states in the Drude-Sommerfeld topological model journal March 2019
Quantum transport in topological semimetals under magnetic fields (II) journal April 2019
Negative magnetoresistance in Dirac semimetal Cd3As2 journal January 2016
Thickness dependence of the quantum Hall effect in films of the three-dimensional Dirac semimetal Cd 3 As 2 journal February 2018
Nonsaturating large magnetoresistance in semimetals journal October 2018
Nontrivial topology of bulk HgSe from the study of cyclotron effective mass, electron mobility and phase shift of Shubnikov–de Haas oscillations journal January 2019
Thermoelectric quantum oscillations in ZrSiS. journalarticle January 2017
Quantum Hall effect in a bulk antiferromagnet EuMnBi 2 with magnetically confined two-dimensional Dirac fermions journal January 2016
Realization of a New Topological Crystalline Insulator and Lifshitz Transition in PbTe journal July 2018
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Negative Magnetoresistance in Dirac Semimetal Cd3As2 text January 2015
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