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Title: Anomalous Enhancement of the Superconducting Transition Temperature of Electron-doped La2-xCexCuO4 and Pr2-xCexCuO4 Cuprate Heterostructures

Abstract

The superconducting transition temperature T{sub c} of multilayers of electron-doped cuprates, composed of underdoped (or undoped) and overdoped La{sub 2-x}Ce{sub x}CuO{sub 4} (LCCO) and Pr{sub 2-x}Ce{sub x}CuO{sub 4} (PCCO) thin films, is found to increase significantly with respect to the T{sub c} of the corresponding single-phase films. By investigating the critical current density of superlattices with different doping levels and layer thicknesses, we find that the T{sub c} enhancement is caused by a redistribution of charge over an anomalously large distance.

Authors:
; ; ; ; ; ; ; ; ;
Publication Date:
Research Org.:
Brookhaven National Laboratory (BNL), Upton, NY (United States)
Sponsoring Org.:
USDOE Office of Science (SC)
OSTI Identifier:
1042108
Report Number(s):
BNL-97786-2012-JA
Journal ID: ISSN 1098-0121; TRN: US201212%%519
DOE Contract Number:  
DE-AC02-98CH10886
Resource Type:
Journal Article
Journal Name:
Physical Review. B, Condensed Matter and Materials Physics
Additional Journal Information:
Journal Volume: 83; Journal Issue: 6; Journal ID: ISSN 1098-0121
Publisher:
American Physical Society (APS)
Country of Publication:
United States
Language:
English
Subject:
75 CONDENSED MATTER PHYSICS, SUPERCONDUCTIVITY AND SUPERFLUIDITY; CRITICAL CURRENT; CUPRATES; SUPERLATTICES; THIN FILMS; TRANSITION TEMPERATURE

Citation Formats

Jin, K, Vach, P, Zhang, X, Grupel, U, Zohar, E, Diamant, I, Dagan, Y, Smadici, S, Abbamonte, P, and Greene, R. Anomalous Enhancement of the Superconducting Transition Temperature of Electron-doped La2-xCexCuO4 and Pr2-xCexCuO4 Cuprate Heterostructures. United States: N. p., 2011. Web. doi:10.1103/PhysRevB.83.060511.
Jin, K, Vach, P, Zhang, X, Grupel, U, Zohar, E, Diamant, I, Dagan, Y, Smadici, S, Abbamonte, P, & Greene, R. Anomalous Enhancement of the Superconducting Transition Temperature of Electron-doped La2-xCexCuO4 and Pr2-xCexCuO4 Cuprate Heterostructures. United States. https://doi.org/10.1103/PhysRevB.83.060511
Jin, K, Vach, P, Zhang, X, Grupel, U, Zohar, E, Diamant, I, Dagan, Y, Smadici, S, Abbamonte, P, and Greene, R. 2011. "Anomalous Enhancement of the Superconducting Transition Temperature of Electron-doped La2-xCexCuO4 and Pr2-xCexCuO4 Cuprate Heterostructures". United States. https://doi.org/10.1103/PhysRevB.83.060511.
@article{osti_1042108,
title = {Anomalous Enhancement of the Superconducting Transition Temperature of Electron-doped La2-xCexCuO4 and Pr2-xCexCuO4 Cuprate Heterostructures},
author = {Jin, K and Vach, P and Zhang, X and Grupel, U and Zohar, E and Diamant, I and Dagan, Y and Smadici, S and Abbamonte, P and Greene, R},
abstractNote = {The superconducting transition temperature T{sub c} of multilayers of electron-doped cuprates, composed of underdoped (or undoped) and overdoped La{sub 2-x}Ce{sub x}CuO{sub 4} (LCCO) and Pr{sub 2-x}Ce{sub x}CuO{sub 4} (PCCO) thin films, is found to increase significantly with respect to the T{sub c} of the corresponding single-phase films. By investigating the critical current density of superlattices with different doping levels and layer thicknesses, we find that the T{sub c} enhancement is caused by a redistribution of charge over an anomalously large distance.},
doi = {10.1103/PhysRevB.83.060511},
url = {https://www.osti.gov/biblio/1042108}, journal = {Physical Review. B, Condensed Matter and Materials Physics},
issn = {1098-0121},
number = 6,
volume = 83,
place = {United States},
year = {Sat Dec 31 00:00:00 EST 2011},
month = {Sat Dec 31 00:00:00 EST 2011}
}

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