Quantitative Characterization of the Nanoscale Local Lattice Strain Induced by Sr Dopants in
Abstract
Here, the nanometer scale lattice deformation brought about by the dopants in the high temperature superconducting cuprate La2-xSrxCuO4 (x = 0.08) was investigated by measuring the associated x-ray diffuse scattering around multiple Bragg peaks. A characteristic diffuse scattering pattern was observed, which can be well described by continuum elastic theory. With the fitted dipole force parameters, the acoustic-type lattice deformation pattern was reconstructed and found to be of similar size to lattice thermal vibration at 7 K. Our results address the long-term concern of dopant introduced local lattice inhomogeneity, and show that the associated nanometer scale lattice deformation is marginal and cannot, alone, be responsible for the patched variation in the spectral gaps observed with scanning tunneling microscopy in the cuprates.
- Authors:
-
- Chinese Academy of Sciences (CAS), Beijing (China); Univ. of Chinese Academy of Science, Beijing (China)
- Chinese Academy of Sciences (CAS), Beijing (China); ShanghaiTech Univ., Shanghai (China); Collaborative Innovation Center of Quantum Matter, Beijing (China)
- Univ. of Birmingham, Birmingham (United Kingdom)
- Japan Atomic Energy Agency, Ibaraki (Japan)
- Chinese Academy of Sciences (CAS), Beijing (China); Univ. of Chinese Academy of Science, Beijing (China); Collaborative Innovation Center of Quantum Matter, Beijing (China)
- Argonne National Lab. (ANL), Argonne, IL (United States)
- Univ. of California, San Diego, La Jolla, CA (United States)
- Publication Date:
- Research Org.:
- Argonne National Lab. (ANL), Argonne, IL (United States)
- Sponsoring Org.:
- USDOE Office of Science (SC), Basic Energy Sciences (BES)
- OSTI Identifier:
- 1461419
- Alternate Identifier(s):
- OSTI ID: 1436900
- Grant/Contract Number:
- AC02-06CH11357; SC0003678
- Resource Type:
- Accepted Manuscript
- Journal Name:
- Physical Review Letters
- Additional Journal Information:
- Journal Volume: 120; Journal Issue: 19; 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
Lin, J. Q., Liu, X., Blackburn, E., Wakimoto, S., Ding, H., Islam, Z., and Sinha, S. K. Quantitative Characterization of the Nanoscale Local Lattice Strain Induced by Sr Dopants in La1.92Sr0.08CuO4. United States: N. p., 2018.
Web. doi:10.1103/PhysRevLett.120.197001.
Lin, J. Q., Liu, X., Blackburn, E., Wakimoto, S., Ding, H., Islam, Z., & Sinha, S. K. Quantitative Characterization of the Nanoscale Local Lattice Strain Induced by Sr Dopants in La1.92Sr0.08CuO4. United States. https://doi.org/10.1103/PhysRevLett.120.197001
Lin, J. Q., Liu, X., Blackburn, E., Wakimoto, S., Ding, H., Islam, Z., and Sinha, S. K. Fri .
"Quantitative Characterization of the Nanoscale Local Lattice Strain Induced by Sr Dopants in La1.92Sr0.08CuO4". United States. https://doi.org/10.1103/PhysRevLett.120.197001. https://www.osti.gov/servlets/purl/1461419.
@article{osti_1461419,
title = {Quantitative Characterization of the Nanoscale Local Lattice Strain Induced by Sr Dopants in La1.92Sr0.08CuO4},
author = {Lin, J. Q. and Liu, X. and Blackburn, E. and Wakimoto, S. and Ding, H. and Islam, Z. and Sinha, S. K.},
abstractNote = {Here, the nanometer scale lattice deformation brought about by the dopants in the high temperature superconducting cuprate La2-xSrxCuO4 (x = 0.08) was investigated by measuring the associated x-ray diffuse scattering around multiple Bragg peaks. A characteristic diffuse scattering pattern was observed, which can be well described by continuum elastic theory. With the fitted dipole force parameters, the acoustic-type lattice deformation pattern was reconstructed and found to be of similar size to lattice thermal vibration at 7 K. Our results address the long-term concern of dopant introduced local lattice inhomogeneity, and show that the associated nanometer scale lattice deformation is marginal and cannot, alone, be responsible for the patched variation in the spectral gaps observed with scanning tunneling microscopy in the cuprates.},
doi = {10.1103/PhysRevLett.120.197001},
journal = {Physical Review Letters},
number = 19,
volume = 120,
place = {United States},
year = {Fri May 11 00:00:00 EDT 2018},
month = {Fri May 11 00:00:00 EDT 2018}
}
Web of Science
Figures / Tables:
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Figures / Tables found in this record: