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Superconducting ReBa2Cu3O7-δ ultrathin films and superlattices

✍ Scribed by Qi Li; C. Kwon; X.X. Xi; T. Venkatesan; Kyung-Min Ham; R. Sooryakumar

Publisher: Elsevier Science
Year: 1994
Tongue: English
Weight: 316 KB
Volume: 235-240
Category: Article
ISSN: 0921-4534
DOI: 10.1016/0921-4534(94)91322-6

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✦ Synopsis

Superconducting properties of epitaxial ultrathin ReBa2Cu307_ 5 (ReBCO) (Re = Rare earth) films sandwiched between (PrxYl_x)Ba2Cu307. 5 ((PrxYI_x)BCO) (0<x<l) layers and ReBCO/(PrxYI_x)BCO superlattices have been studied with varying thicknesses of ReBCO and doping level x in the adjacent (PrxYI.x)BCO layers. While various experiments have been performed in these systems, in this paper, we will primarily focus on the results of superconducting properties of the ultrathin films and superlattices, the dependence of the superconductivity on adjacent layer materials, and the possibility of charge redistribution across the interface.

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