Reviews of topical problems

Phase separation in high-temperature superconductors and related magnetic systems

Institute for High Pressure Physics, Russian Academy of Sciences, Troitsk, Moscow, Russian Federation

A review is given of theoretical and experimental data on spontaneous phase separation in nonsuperconducting degenerate magnetic semiconductors and related cuprate high-temperature superconductors. The following phenomena are considered: (1) The electronic phase separation occuring at frozen impurity positions as a result of charge carrier concentration in regions with a changed magnetic state; (2) impuriry (chemical) phase separation when a nonuniform impurity distribution over a crystal is driven simultaneously by interaction between impurity atoms and by their tendency to concentrate inside regions with a changed magnetic ordering.

Fulltext is available at IOP
PACS: 74.72.−h, 74.90.+n, 72.20.Dp, 75.50.Pp (all)
DOI: 10.1070/PU1995v038n05ABEH000085
Citation: Nagaev E L "Phase separation in high-temperature superconductors and related magnetic systems" Phys. Usp. 38 497–520 (1995)
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%0 Journal Article
%T Phase separation in high-temperature superconductors and related magnetic systems
%A E. L. Nagaev
%I Physics-Uspekhi
%D 1995
%J Phys. Usp.
%V 38
%N 5
%P 497-520

Оригинал: Нагаев Э Л «Разделение фаз в высокотемпературных сверхпроводниках и родственных им магнитных материалах» УФН 165 529–554 (1995); DOI: 10.3367/UFNr.0165.199505b.0529

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