Coexistence of Replica Bands and Superconductivity in FeSe Monolayer Films
Abstract
To elucidate the mechanisms behind the enhanced Tc in monolayer (1 ML) FeSe on SrTiO3 (STO), we grew highly strained 1 ML FeSe on the rectangular (100) face of rutile TiO2, and observed the coexistence of replica bands and superconductivity with a Tc of 63 K. From the similar Tc between this system and 1ML FeSe on STO (001), we conclude that strain and dielectric constant are likely unimportant to the enhanced Tc in these systems. Here, a systematic comparison of 1 ML FeSe on TiO2 with other systems in the FeSe family shows that while charge transfer alone can enhance Tc, it is only with the addition of interfacial electron-phonon coupling that Tc can be increased to the level seen in 1 ML FeSe on STO.
- Authors:
-
- Stanford Univ., Stanford, CA (United States); SLAC National Accelerator Lab., Menlo Park, CA (United States)
- SLAC National Accelerator Lab., Menlo Park, CA (United States); Stanford Univ., Stanford, CA (United States)
- SLAC National Accelerator Lab., Menlo Park, CA (United States)
- Publication Date:
- Research Org.:
- SLAC National Accelerator Lab., Menlo Park, CA (United States)
- Sponsoring Org.:
- USDOE Office of Science (SC), Basic Energy Sciences (BES)
- OSTI Identifier:
- 1393495
- Alternate Identifier(s):
- OSTI ID: 1343472
- Grant/Contract Number:
- AC02-76SF00515
- Resource Type:
- Accepted Manuscript
- Journal Name:
- Physical Review Letters
- Additional Journal Information:
- Journal Volume: 118; Journal Issue: 6; Journal ID: ISSN 0031-9007
- Publisher:
- American Physical Society (APS)
- Country of Publication:
- United States
- Language:
- English
- Subject:
- 75 CONDENSED MATTER PHYSICS, SUPERCONDUCTIVITY AND SUPERFLUIDITY
Citation Formats
Rebec, S. N., Jia, T., Zhang, C., Hashimoto, M., Lu, D. -H., Moore, R. G., and Shen, Z. -X. Coexistence of Replica Bands and Superconductivity in FeSe Monolayer Films. United States: N. p., 2017.
Web. doi:10.1103/PhysRevLett.118.067002.
Rebec, S. N., Jia, T., Zhang, C., Hashimoto, M., Lu, D. -H., Moore, R. G., & Shen, Z. -X. Coexistence of Replica Bands and Superconductivity in FeSe Monolayer Films. United States. https://doi.org/10.1103/PhysRevLett.118.067002
Rebec, S. N., Jia, T., Zhang, C., Hashimoto, M., Lu, D. -H., Moore, R. G., and Shen, Z. -X. Fri .
"Coexistence of Replica Bands and Superconductivity in FeSe Monolayer Films". United States. https://doi.org/10.1103/PhysRevLett.118.067002. https://www.osti.gov/servlets/purl/1393495.
@article{osti_1393495,
title = {Coexistence of Replica Bands and Superconductivity in FeSe Monolayer Films},
author = {Rebec, S. N. and Jia, T. and Zhang, C. and Hashimoto, M. and Lu, D. -H. and Moore, R. G. and Shen, Z. -X.},
abstractNote = {To elucidate the mechanisms behind the enhanced Tc in monolayer (1 ML) FeSe on SrTiO3 (STO), we grew highly strained 1 ML FeSe on the rectangular (100) face of rutile TiO2, and observed the coexistence of replica bands and superconductivity with a Tc of 63 K. From the similar Tc between this system and 1ML FeSe on STO (001), we conclude that strain and dielectric constant are likely unimportant to the enhanced Tc in these systems. Here, a systematic comparison of 1 ML FeSe on TiO2 with other systems in the FeSe family shows that while charge transfer alone can enhance Tc, it is only with the addition of interfacial electron-phonon coupling that Tc can be increased to the level seen in 1 ML FeSe on STO.},
doi = {10.1103/PhysRevLett.118.067002},
journal = {Physical Review Letters},
number = 6,
volume = 118,
place = {United States},
year = {Fri Feb 10 00:00:00 EST 2017},
month = {Fri Feb 10 00:00:00 EST 2017}
}
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