Superconducting cuprates with ladder-type structure

The single crystals (M 2Cu 2O 3) m (CuO 2) n (M=Ca, Sr, Bi, rare earth elements) with the ladder-type structure were grown by a flux method using Bi 2CuO 4 and BaCuO 2 as fluxes. The relationship between the growth conditions, structure, chemical composition and physical properties is discussed on t...

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Bibliographic Details
Published in:Physica. C, Superconductivity Superconductivity, 2000-07, Vol.337 (1), p.256-259
Main Authors: Leonyuk, L, Babonas, G.J, Szymczak, R, Maltsev, V, Shvanskaya, L, Reza, A
Format: Article
Language:English
Subjects:
Crystal structures
Cuprates
Incommensurate phases
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Summary:The single crystals (M 2Cu 2O 3) m (CuO 2) n (M=Ca, Sr, Bi, rare earth elements) with the ladder-type structure were grown by a flux method using Bi 2CuO 4 and BaCuO 2 as fluxes. The relationship between the growth conditions, structure, chemical composition and physical properties is discussed on the basis of the data obtained in the experimental studies on a large series of the single crystals. The superconducting (M 2Cu 2O 3) m (CuO 2) n -type crystals, which have been grown by a developed “melted-band” method, were shown to possess two characteristic features, a high Ca-content (Ca/M>0.45, Ca/Sr>1) and the Cu-site deficiency.
ISSN:0921-4534
1873-2143
DOI:10.1016/S0921-4534(00)00112-X