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Title: Two superconducting transitions in single-crystal La 2 - x Ba x CuO 4

Abstract

Here, we use spatially-resolved transport techniques to investigate the superconducting properties of single crystals La 2-xBa xCuO 4. We also found a superconducting transition temperature T cs associated with the ab-plane surface region which is considerably higher than the bulk T c. This effect is pronounced in the region of charge carrier doping x with strong spin-charge stripe correlations, reaching T cs = 36 K or 1.64T c.

Authors:
 [1];  [2];  [2];  [2];  [3];  [4]
  1. Nanyang Technological Univ. (Singapore). School of Physical and Mathematical Sciences
  2. National Inst. of Advanced Industrial Science and Technology (AIST), Tsukuba (Japan)
  3. Argonne National Lab. (ANL), Argonne, IL (United States). Materials Science Division
  4. Nanyang Technological Univ. (Singapore). School of Physical and Mathematical Sciences; Univ. of Crete (Greece). Dept. of Physics
Publication Date:
Research Org.:
Argonne National Lab. (ANL), Argonne, IL (United States)
Sponsoring Org.:
USDOE Office of Science (SC), Basic Energy Sciences (BES) (SC-22); Singapore National Science Foundation
OSTI Identifier:
1352648
Alternate Identifier(s):
OSTI ID: 1345070
Grant/Contract Number:  
AC02-06CH11357
Resource Type:
Accepted Manuscript
Journal Name:
Physical Review B
Additional Journal Information:
Journal Volume: 95; Journal Issue: 5; 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

Citation Formats

Tee, X. Y., Ito, T., Ushiyama, T., Tomioka, Y., Martin, I., and Panagopoulos, C. Two superconducting transitions in single-crystal La2-xBaxCuO4. United States: N. p., 2017. Web. doi:10.1103/PhysRevB.95.054516.
Tee, X. Y., Ito, T., Ushiyama, T., Tomioka, Y., Martin, I., & Panagopoulos, C. Two superconducting transitions in single-crystal La2-xBaxCuO4. United States. doi:10.1103/PhysRevB.95.054516.
Tee, X. Y., Ito, T., Ushiyama, T., Tomioka, Y., Martin, I., and Panagopoulos, C. Mon . "Two superconducting transitions in single-crystal La2-xBaxCuO4". United States. doi:10.1103/PhysRevB.95.054516. https://www.osti.gov/servlets/purl/1352648.
@article{osti_1352648,
title = {Two superconducting transitions in single-crystal La2-xBaxCuO4},
author = {Tee, X. Y. and Ito, T. and Ushiyama, T. and Tomioka, Y. and Martin, I. and Panagopoulos, C.},
abstractNote = {Here, we use spatially-resolved transport techniques to investigate the superconducting properties of single crystals La2-xBaxCuO4. We also found a superconducting transition temperature Tcs associated with the ab-plane surface region which is considerably higher than the bulk Tc. This effect is pronounced in the region of charge carrier doping x with strong spin-charge stripe correlations, reaching Tcs = 36 K or 1.64Tc.},
doi = {10.1103/PhysRevB.95.054516},
journal = {Physical Review B},
number = 5,
volume = 95,
place = {United States},
year = {2017},
month = {2}
}

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