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Title: Impact of the charge density wave state in the electrodynamic response of ZrTe 3 - x Se x : Optical evidence for a pseudogap phase

Abstract

The emergence of superconductivity upon progressively suppressing the long-range, charge-density-wave (CDW) order characterizes the phase diagram of several materials of interest in the on-going solid-state physics research. Se-doped ZrTe3 compounds provide the most recent, suitable arena in order to investigate the interplay of otherwise competing orders in layeredlike two-dimensional systems. We present an optical study of the CDW state in ZrTe3-xSex at selected Se dopings, based on the measurement of the reflectivity from the far-infrared up to the ultraviolet, as a function of temperature. We particularly focus our attention to the redistribution of the spectral weight, which images the impact of the CDW state within the optical conductivity across the phase diagram of the title compounds. The electrodynamic response is consistent with a scenario based on a long-range CDW condensate at low Se doping. Upon increasing the Se content, this then gives way to local, short-range order CDW segments. Thus, our spectral weight analysis reveals the presence of a pseudogap phase, as fingerprint of the CDW precursor effects and thus shaping the charge dynamics of the title compounds in their normal state, preceding the onset of superconductivity.

Authors:
 [1];  [2];  [1];  [3];  [4];  [5];  [1]
+ Show Author Affiliations
  1. Federal Inst. of Technology, Zurich (Switzerland). Lab. for Solid State Physics
  2. Federal Inst. of Technology, Zurich (Switzerland). Lab. for Solid State Physics; Indian Inst. of Technology (IIT), Madras (India). National Center for Catalysis Research
  3. Brookhaven National Lab. (BNL), Upton, NY (United States). Condensed Matter Physics and Materials Science Dept.; Chinese Academy of Sciences (CAS) and Univ. of Science and Technology, Hefei (China). AnHui Province Key Lab. of Condensed Matter Physics at Extreme Conditions and High Magnetic Field Lab.
  4. Brookhaven National Lab. (BNL), Upton, NY (United States). Condensed Matter Physics and Materials Science Dept.; Chinese Academy of Sciences (CAS), Hefei (China). Key Lab. of Materials Physics and Inst. of Solid State Physics
  5. Brookhaven National Lab. (BNL), Upton, NY (United States). Condensed Matter Physics and Materials Science Dept.
Publication Date:
Research Org.:
Brookhaven National Lab. (BNL), Upton, NY (United States)
Sponsoring Org.:
USDOE Office of Science (SC), Basic Energy Sciences (BES); Swiss National Science Foundation (SNSF); National Natural Science Foundation of China (NSFC); National Key Research and Development Program of China; Chinese Academy of Sciences (CAS), Beijing (China); Univ. of California, Santa Barbara, CA (United States)
OSTI Identifier:
1426457
Alternate Identifier(s):
OSTI ID: 1416842
Report Number(s):
BNL-203346-2018-JAAM
Journal ID: ISSN 2469-9950; PRBMDO; TRN: US1802287
Grant/Contract Number:  
SC00112704; 11404342; 2017YFA0403502; 2017483
Resource Type:
Accepted Manuscript
Journal Name:
Physical Review B
Additional Journal Information:
Journal Volume: 97; Journal Issue: 4; Journal ID: ISSN 2469-9950
Publisher:
American Physical Society (APS)
Country of Publication:
United States
Language:
English
Subject:
75 CONDENSED MATTER PHYSICS, SUPERCONDUCTIVITY AND SUPERFLUIDITY; charge density waves; electronic structure; optical conductivity; chalcogenides; reflectivity

Citation Formats

Chinotti, M., Ethiraj, J., Mirri, C., Zhu, Xiangde, Li, Lijun, Petrovic, C., and Degiorgi, L. Impact of the charge density wave state in the electrodynamic response of ZrTe3-xSex : Optical evidence for a pseudogap phase. United States: N. p., 2018. Web. doi:10.1103/PhysRevB.97.045117.
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Chinotti, M., Ethiraj, J., Mirri, C., Zhu, Xiangde, Li, Lijun, Petrovic, C., & Degiorgi, L. Impact of the charge density wave state in the electrodynamic response of ZrTe3-xSex : Optical evidence for a pseudogap phase. United States. https://doi.org/10.1103/PhysRevB.97.045117
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Chinotti, M., Ethiraj, J., Mirri, C., Zhu, Xiangde, Li, Lijun, Petrovic, C., and Degiorgi, L. Fri . "Impact of the charge density wave state in the electrodynamic response of ZrTe3-xSex : Optical evidence for a pseudogap phase". United States. https://doi.org/10.1103/PhysRevB.97.045117. https://www.osti.gov/servlets/purl/1426457.
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@article{osti_1426457,
title = {Impact of the charge density wave state in the electrodynamic response of ZrTe3-xSex : Optical evidence for a pseudogap phase},
author = {Chinotti, M. and Ethiraj, J. and Mirri, C. and Zhu, Xiangde and Li, Lijun and Petrovic, C. and Degiorgi, L.},
abstractNote = {The emergence of superconductivity upon progressively suppressing the long-range, charge-density-wave (CDW) order characterizes the phase diagram of several materials of interest in the on-going solid-state physics research. Se-doped ZrTe3 compounds provide the most recent, suitable arena in order to investigate the interplay of otherwise competing orders in layeredlike two-dimensional systems. We present an optical study of the CDW state in ZrTe3-xSex at selected Se dopings, based on the measurement of the reflectivity from the far-infrared up to the ultraviolet, as a function of temperature. We particularly focus our attention to the redistribution of the spectral weight, which images the impact of the CDW state within the optical conductivity across the phase diagram of the title compounds. The electrodynamic response is consistent with a scenario based on a long-range CDW condensate at low Se doping. Upon increasing the Se content, this then gives way to local, short-range order CDW segments. Thus, our spectral weight analysis reveals the presence of a pseudogap phase, as fingerprint of the CDW precursor effects and thus shaping the charge dynamics of the title compounds in their normal state, preceding the onset of superconductivity.},
doi = {10.1103/PhysRevB.97.045117},
journal = {Physical Review B},
number = 4,
volume = 97,
place = {United States},
year = {2018},
month = {1}
}
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Journal Article:
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Publisher's Version of Record
https://doi.org/10.1103/PhysRevB.97.045117
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Cited by: 4 works
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Figures / Tables:

FIG. 1 FIG. 1: (a) Optical reflectivity (R(ω)) and (b) real part (σ1(ω)) of the optical conductivity at 10 and 300 K along the a and b axes of ZrTe2.99Se0.01 with TCDW≃ 45 K. The inset in panel (a) shows the specimen with the relevant axes orientation. The inset in panel (b)more » displays a schematic CDW TCDW ($\mathcal{x}$) and superconducting Tc(x) phase diagram of ZrTe$_{3−\mathcal{x}}$Se$_{\mathcal{x}}$, which emphasises the compositions addressed in this study (green arrows).« less
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Works referenced in this record:

Anisotropic superconducting transition in ZrTe3
journal, November 1986

Role of charge-density-wave fluctuations on the spectral function in a metallic charge-density-wave system
journal, April 2005

Broken rotational symmetry in the pseudogap phase of a high-Tc superconductor
journal, January 2010

Infrared signature of the charge-density-wave gap in ZrTe3
journal, December 2005

Superconductivity at 5.2 K in ZrTe 3 polycrystals and the effect of Cu and Ag intercalation
journal, May 2012

Coexistence of Bulk Superconductivity and Charge Density Wave in Cu x ZrTe 3
journal, June 2011

Raising T c in charge density wave superconductor ZrTe 3 by Ni intercalation
journal, June 2011

Transport and elastic anomalies in ZrTe3
journal, March 1984

Direct observation of competition between superconductivity and charge density wave order in YBa2Cu3O6.67
journal, October 2012

  • Chang, J.; Blackburn, E.; Holmes, A. T.
  • Nature Physics, Vol. 8, Issue 12
  • DOI: 10.1038/nphys2456

Two Energy Gaps and Fermi-Surface “Arcs” in NbSe 2
journal, April 2009

Superconductivity and Charge Density Wave in ZrTe3−xSex
journal, June 2016

  • Zhu, Xiangde; Ning, Wei; Li, Lijun
  • Scientific Reports, Vol. 6, Issue 1
  • DOI: 10.1038/srep26974

Charge Order Driven by Fermi-Arc Instability in Bi2Sr2-xLaxCuO6+ 
journal, December 2013

Long-Range Incommensurate Charge Fluctuations in (Y,Nd)Ba2Cu3O6+x
journal, July 2012

Excitation spectrum in Ni- and Cu-doped ZrTe 3
journal, January 2014

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    Figures / Tables found in this record:

    FIG. 1 (p. 5)figure
    FIG. 2 (p. 5)figure
    FIG. 3 (p. 6)figure
    FIG. 4 (p. 6)figure
    FIG. 5 (p. 7)figure
    FIG. 6 (p. 7)figure
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