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Title: Optical spectroscopy study of the three-dimensional Dirac semimetal ZrTe5

Journal Article · · Physical Review. B, Condensed Matter and Materials Physics
 [1];  [2];  [1];  [2];  [2];  [2];  [3]
  1. Peking Univ., Beijing (China)
  2. Brookhaven National Lab. (BNL), Upton, NY (United States)
  3. Peking Univ., Beijing (China); Collaborative Innovation Center of Quantum Matter, Beijing (China)

Three-dimensional (3D) topological Dirac materials have been under intensive study recently. The layered compound ZrTe5 has been suggested to be one such material as a result of transport and angle-resolved photoemission spectroscopy experiments. Here, we perform infrared reflectivity measurements to investigate the underlying physics of this material. The derived optical conductivity increases linearly with frequency below normal interband transitions, which provides optical spectroscopic proof of a 3D Dirac semimetal. In addition, the plasma edge shifts dramatically to lower energy upon temperature cooling, which might be due to the shrinking of the lattice parameters. Additionally, an extremely sharp peak shows up in the frequency-dependent optical conductivity, indicating the presence of a Van Hove singularity in the joint density of state.

Research Organization:
Brookhaven National Laboratory (BNL), Upton, NY (United States)
Sponsoring Organization:
USDOE Office of Science (SC), Basic Energy Sciences (BES)
Grant/Contract Number:
SC00112704
OSTI ID:
1226052
Alternate ID(s):
OSTI ID: 1209170
Report Number(s):
BNL-108428-2015-JA; PRBMDO; R&D Project: MA012MABA; PO010; KC0202050; KC0201060
Journal Information:
Physical Review. B, Condensed Matter and Materials Physics, Vol. 92, Issue 7; ISSN 1098-0121
Publisher:
American Physical Society (APS)Copyright Statement
Country of Publication:
United States
Language:
English
Citation Metrics:
Cited by: 193 works
Citation information provided by
Web of Science

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Signatures of merging Dirac points in optics and transport text January 2019
Dielectric response and novel electromagnetic modes in three-dimensional Dirac semimetal films text January 2016
Topological semimetals predicted from first-principles calculations journal June 2016
Experimental progress on layered topological semimetals journal April 2019
Anomalous DC Hall response in noncentrosymmetric tilted Weyl semimetals text January 2018
Optical signatures of Dirac nodal lines in NbAs 2 journal December 2018
Evidence for a strain tuned topological phase transition in ZrTe5 text January 2018
Pressure-induced superconductivity in a three-dimensional topological material ZrTe 5 journal February 2016
Optical conductivity of the Weyl semimetal NbP journal November 2018
Free-carrier dynamics in Au 2 Pb probed by optical conductivity measurements journal November 2018
Chiral optical response of multifold fermions journal October 2018
Quantum transport in Dirac and Weyl semimetals: a review journal May 2017
Flat optical conductivity in ZrSiS due to two-dimensional Dirac bands text January 2017
Fermi surface gapping in the Dirac material Ca 1 x Na x MnBi 2 journal July 2019
Absorption of circular polarized light in tilted type-I and type-II Weyl semimetals journal August 2017
Chiral anomaly in Dirac semimetals due to dislocations text January 2015
Effect of Mechanical Strain on the Optical Properties of Nodal‐Line Semimetal ZrSiS journal November 2019
Lifshitz transition mediated electronic transport anomaly in bulk ZrTe 5 journal January 2017
Chiral Optical Response of Multifold Fermions text January 2018
Epsilon-near-zero response and tunable perfect absorption in Weyl semimetals journal August 2018
Epsilon-Near-Zero Response and Tunable Perfect Absorption in Weyl Semimetals text January 2018
Topological Semimetals Predicted from First-principles Calculations text January 2016
Quantum Oscillations from Nontrivial States in Quasi-Two-Dimensional Dirac Semimetal ZrTe5 Nanowires journal March 2019
Spectroscopic evidence for bulk-band inversion and three-dimensional massive Dirac fermions in ZrTe 5 journal January 2017
Signatures of merging Dirac points in optics and transport journal July 2019
Transport and optics at the node in a nodal loop semimetal text January 2017
Optical conductivity of multi-Weyl semimetals text January 2016
Bipolar Conduction is the Origin of the Electronic Transition in Pentatellurides: Metallic vs. Semiconducting Behavior text January 2016
Optical Distinctions Between Weyl Semimetal TaAs and Dirac Semimetal Na3Bi: An Ab Initio Investigation journal July 2016
Optical signature of Weyl electronic structures in tantalum pnictides Ta P n ( P n = P, As) journal August 2017
Surface plasmons in Weyl semimetals journal August 2018
Unraveling the topology of ZrTe 5 by changing temperature journal December 2019
Correlated Dirac semimetallic state with unusual positive magnetoresistance in strain-free perovskite SrIrO 3 journal March 2017
Zeeman splitting and dynamical mass generation in Dirac semimetal ZrTe5 journal August 2016
Optical spectroscopy study on pressure-induced phase transitions in the three-dimensional Dirac semimetal Cd 3 As 2 journal May 2018
Magnetization-Induced Band Shift in Ferromagnetic Weyl Semimetal Co 3 Sn 2 S 2 journal February 2020
Evidence for a strain-tuned topological phase transition in ZrTe 5 journal August 2019
Waveguide modes in Weyl semimetals with tilted dirac cones journal January 2019
Linear-in-Frequency Optical Conductivity in GdPtBi due to Transitions near the Triple Points journal October 2018
Electronic evidence of temperature-induced Lifshitz transition and topological nature in ZrTe5 journal May 2017
Doping and tilting on optics in noncentrosymmetric multi-Weyl semimetals journal January 2018
Optical spectroscopy study of the topological property in PrSb journal September 2019
Magnetotransport in Sr 3 PbO antiperovskite journal September 2018
Ultrafast hot carrier dynamics of ZrTe 5 from time-resolved optical reflectivity journal March 2019
Possible experimental realization of a basic Z 2 topological semimetal in GaGeTe journal December 2019
Transition between strong and weak topological insulator in ZrTe5 and HfTe5 journal April 2017
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
Electrodynamic response of type II Weyl semimetals text January 2016
Collective modes in multi-Weyl semimetals text January 2016
Collective modes in multi-Weyl semimetals journal September 2016
Experimental Progress on Layered Topological Semimetals text January 2019
Anomalous DC Hall response in noncentrosymmetric tilted Weyl semimetals journal February 2018
Effect of mechanical strain on the optical properties of nodal-line semimetal ZrSiS text January 2019
Electrodynamic response of the type-II Weyl semimetal YbMnBi 2 journal December 2016