Fluctuation and admixed superconductivity in perovskite-like compounds: Perspectives for the increase of Tc

Autor:	N. E. Alekseevskii, Galina M. Kuz’micheva, V. I. Nizhankovskii, Alexander V. Mitin, E. P. Khlybov
Rok vydání:	1990
Předmět:	Superconductivity Magnetic measurements Materials science Condensed matter physics Electrical resistivity and conductivity Extrapolation Electrical and Electronic Engineering Condensed Matter Physics Magnetic susceptibility Electronic Optical and Magnetic Materials Perovskite (structure)
Zdroj:	Physica B: Condensed Matter. 163:659-660
ISSN:	0921-4526
DOI:	10.1016/0921-4526(90)90300-j
Popis:	The results of the electric and magnetic measurements of R-Ba-Cu-O, Bi-Sr-Ca-Cu-O and Tl-Ba-Ca-Cu-O samples are reported. A deviation of the resistivity ϱ(T) and magnetic susceptibility χ(T) in the region Tc e = 2 c/aq is discussed. The extrapolation of Tc( e ) dependences for systems with Bi and Tl gives Tc = 140–150 K at e = 0.95. Although superconducting phases at e
Databáze:	OpenAIRE
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