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Published in: Journal of Materials Science: Materials in Electronics 8/2013

01-08-2013

Evolution of the metal–insulator transition in oxygen nonstoichiometric YBa2Cu3O7−δ single crystals under pressure

Authors: R. V. Vovk, N. R. Vovk, I. L. Goulatis, A. Chroneos

Published in: Journal of Materials Science: Materials in Electronics | Issue 8/2013

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Abstract

The influence of high hydrostatic pressure on the conductivity in the ab-plane of high-temperature superconductors of the YBa2Cu3O7−δ system is investigated. It was found that, an increase in the oxygen deficiency in YBa2Cu3O7−δ single crystals leads to increased localization effects. It is determined that the metal–insulator type transition always precedes the superconducting transition. The increase in pressure, leads to a significant displacement of the point of the metal–insulator transition to the region of high temperatures.

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Metadata
Title
Evolution of the metal–insulator transition in oxygen nonstoichiometric YBa2Cu3O7−δ single crystals under pressure
Authors
R. V. Vovk
N. R. Vovk
I. L. Goulatis
A. Chroneos
Publication date
01-08-2013
Publisher
Springer US
Published in
Journal of Materials Science: Materials in Electronics / Issue 8/2013
Print ISSN: 0957-4522
Electronic ISSN: 1573-482X
DOI
https://doi.org/10.1007/s10854-013-1221-3

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