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Title: Infrared spectroscopy study of the nodal-line semimetal candidate ZrSiTe under pressure: Hints for pressure-induced phase transitions

Journal Article · · Physical Review. B
 [1];  [2];  [3];  [4];  [4];  [2]
  1. Augsburg Univ. (Germany); Tanta Univ. (Egypt)
  2. Augsburg Univ. (Germany)
  3. Univ. of Arkansas, Fayetteville, AR (United States)
  4. Pennsylvania State Univ., University Park, PA (United States); Tulane Univ., New Orleans, LA (United States)
+ Show Author Affiliations

We studied the effect of external pressure on the optical response of the nodal-line semimetal candidate ZrSiTe by reflectivity measurements. At pressures of a few GPa, the reflectivity, optical conductivity, and loss function are strongly affected in the whole measured frequency range (200–16 500 cm–1), indicating drastic changes in the electronic band structure. The pressure-induced shift of the electronic bands affects both the intraband and interband transitions. Here, we find anomalies in the pressure dependence of several optical parameters at the pressures Pc1 ≈ 4.1GPa and Pc2 ≈ 6.5GPa, suggesting the occurrence of two phase transitions of either structural or electronic type.

Research Organization:
Pennsylvania State Univ., University Park, PA (United States)
Sponsoring Organization:
USDOE Office of Science (SC); USDOE
Grant/Contract Number:
SC0019068
OSTI ID:
1613098
Alternate ID(s):
OSTI ID: 1546249; OSTI ID: 1868551
Journal Information:
Physical Review. B, Vol. 99, Issue 24; ISSN 2469-9950
Publisher:
American Physical Society (APS)Copyright Statement
Country of Publication:
United States
Language:
English

References (30)

Topological nodal semimetals journal December 2011
Dirac Semimetals in Two Dimensions journal September 2015
Flat Optical Conductivity in ZrSiS due to Two-Dimensional Dirac Bands journal November 2017
Possible pressure-induced topological quantum phase transition in the nodal line semimetal ZrSiS journal February 2019
Weyl and Dirac semimetals in three-dimensional solids journal January 2018
Large nonsaturating magnetoresistance and signature of nondegenerate Dirac nodes in ZrSiS journal February 2017
Zirconium silicide and germanide chalcogenides preparation and crystal structures journal January 1964
Extremely large and significantly anisotropic magnetoresistance in ZrSiS single crystals journal June 2016
Main Group Element Size and Substitution Effects on the Structural Dimensionality of Zirconium Tellurides of the ZrSiS Type journal October 1995
Tunability of the topological nodal-line semimetal phase in ZrSi X -type materials ( X = S ,   Se ,   Te ) journal April 2017
Non-symmorphic band degeneracy at the Fermi level in ZrSiTe journal December 2016
Temperature-Driven Topological Phase Transition and Intermediate Dirac Semimetal Phase in ZrTe 5 journal October 2018
Chemical pressure effect on the optical conductivity of the nodal-line semimetals ZrSi Y ( Y = S , Se , Te ) and ZrGe Y ( Y = S , Te ) journal March 2019
Probing lattice dynamics and electron-phonon coupling in the topological nodal-line semimetal ZrSiS journal March 2018
Crystal growth of Dirac semimetal ZrSiS with high magnetoresistance and mobility journal January 2017
Dirac cone protected by non-symmorphic symmetry and three-dimensional Dirac line node in ZrSiS journal May 2016
Topological nodal line semimetals with and without spin-orbital coupling journal August 2015
Observation of a three-dimensional topological Dirac semimetal phase in high-mobility Cd3As2 journal May 2014
Observation of topological nodal fermion semimetal phase in ZrSiS journal May 2016
Electronic evidence of temperature-induced Lifshitz transition and topological nature in ZrTe5 journal May 2017
Butterfly magnetoresistance, quasi-2D Dirac Fermi surface and topological phase transition in ZrSiS journal December 2016
Nearly massless Dirac fermions and strong Zeeman splitting in the nodal-line semimetal ZrSiS probed by de Haas–van Alphen quantum oscillations journal July 2017
Two-dimensional oxide topological insulator with iron-pnictide superconductor LiFeAs structure journal November 2015
Evidence of Topological Nodal-Line Fermions in ZrSiSe and ZrSiTe journal June 2016
Dirac Semimetals in Two Dimensions text January 2015
Two-Dimensional Oxide Topological Insulator With Iron-Pnictide Superconductor LiFeAs Structure text January 2015
Extremely large and significantly anisotropic magnetoresistance in ZrSiS single crystals text January 2016
Weyl and Dirac Semimetals in Three Dimensional Solids text January 2017
Flat optical conductivity in ZrSiS due to two-dimensional Dirac bands text January 2017
Probing lattice dynamics and electron-phonon coupling in topological nodal-line semimetal ZrSiS text January 2017

Cited By (2)

Effect of Mechanical Strain on the Optical Properties of Nodal‐Line Semimetal ZrSiS journal November 2019
Effect of mechanical strain on the optical properties of nodal-line semimetal ZrSiS text January 2019

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Related Subjects

75 CONDENSED MATTER PHYSICS
SUPERCONDUCTIVITY AND SUPERFLUIDITY
Materials Science
Physics
Phase transitions
Topological materials
Topological phases of matter
Node-line semimetals
Infrared spectroscopy