Robust superconductivity intertwined with charge density wave and disorder in Pd-intercalated ErTe3
Abstract
Pd-intercalated ErTe3 is studied as a model system to explore the effect of "intertwined" superconducting and charge density wave (CDW) orders. Despite the common wisdom that superconductivity emerges only when CDW is suppressed, we present data from STM and AC susceptibility measurements that show no direct competition between CDW order and superconductivity. Both coexist over most of the intercalation range, with uniform superconductivity over length scales that exceed the superconducting coherence length. This is despite persisting short-range CDW order and increased scattering from the Pd intercalation. While superconductivity is insensitive to local defects in either of the bi-directional CDWs, vestiges of the Fermi-level distortions are observed in the properties of the superconducting state.
- Authors:
- Publication Date:
- Research Org.:
- SLAC National Accelerator Laboratory (SLAC), Menlo Park, CA (United States). Stanford Institute for Materials and Energy Science (SIMES)
- Sponsoring Org.:
- USDOE Office of Science (SC), Basic Energy Sciences (BES). Materials Sciences & Engineering Division; National Science Foundation (NSF); US Army Research Office (ARO); Gordon and Betty Moore Foundation
- OSTI Identifier:
- 1712794
- Alternate Identifier(s):
- OSTI ID: 1673425
- Grant/Contract Number:
- AC02-76SF00515; DGE-1656518; W911NF-12-1-0537; GBMF4529
- Resource Type:
- Published Article
- Journal Name:
- Physical Review Research
- Additional Journal Information:
- Journal Name: Physical Review Research Journal Volume: 2 Journal Issue: 4; Journal ID: ISSN 2643-1564
- Publisher:
- American Physical Society (APS)
- Country of Publication:
- United States
- Language:
- English
- Subject:
- 36 MATERIALS SCIENCE; 75 CONDENSED MATTER PHYSICS, SUPERCONDUCTIVITY AND SUPERFLUIDITY
Citation Formats
Fang, Alan, Singh, Anisha G., Straquadine, Joshua A. W., Fisher, Ian R., Kivelson, Steven A., and Kapitulnik, Aharon. Robust superconductivity intertwined with charge density wave and disorder in Pd-intercalated ErTe3. United States: N. p., 2020.
Web. doi:10.1103/PhysRevResearch.2.043221.
Fang, Alan, Singh, Anisha G., Straquadine, Joshua A. W., Fisher, Ian R., Kivelson, Steven A., & Kapitulnik, Aharon. Robust superconductivity intertwined with charge density wave and disorder in Pd-intercalated ErTe3. United States. https://doi.org/10.1103/PhysRevResearch.2.043221
Fang, Alan, Singh, Anisha G., Straquadine, Joshua A. W., Fisher, Ian R., Kivelson, Steven A., and Kapitulnik, Aharon. Thu .
"Robust superconductivity intertwined with charge density wave and disorder in Pd-intercalated ErTe3". United States. https://doi.org/10.1103/PhysRevResearch.2.043221.
@article{osti_1712794,
title = {Robust superconductivity intertwined with charge density wave and disorder in Pd-intercalated ErTe3},
author = {Fang, Alan and Singh, Anisha G. and Straquadine, Joshua A. W. and Fisher, Ian R. and Kivelson, Steven A. and Kapitulnik, Aharon},
abstractNote = {Pd-intercalated ErTe3 is studied as a model system to explore the effect of "intertwined" superconducting and charge density wave (CDW) orders. Despite the common wisdom that superconductivity emerges only when CDW is suppressed, we present data from STM and AC susceptibility measurements that show no direct competition between CDW order and superconductivity. Both coexist over most of the intercalation range, with uniform superconductivity over length scales that exceed the superconducting coherence length. This is despite persisting short-range CDW order and increased scattering from the Pd intercalation. While superconductivity is insensitive to local defects in either of the bi-directional CDWs, vestiges of the Fermi-level distortions are observed in the properties of the superconducting state.},
doi = {10.1103/PhysRevResearch.2.043221},
journal = {Physical Review Research},
number = 4,
volume = 2,
place = {United States},
year = {Thu Nov 12 00:00:00 EST 2020},
month = {Thu Nov 12 00:00:00 EST 2020}
}
https://doi.org/10.1103/PhysRevResearch.2.043221
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