Structural Study for a New Superconducting Phase in the Bi-Sr-Cu -O System
Open Access
- 1 June 1988
- journal article
- Published by Walter de Gruyter GmbH in Zeitschrift für Naturforschung A
- Vol. 43 (6) , 517-520
- https://doi.org/10.1515/zna-1988-0601
Abstract
A structural identification of the superconducting phase in the Bi-Sr-Cu-O system has been carried out by X-ray and electron diffraction. A lamellar oxide structure expressed by the formula Bi2(Bi, Sr)2CuOx with the orthorhombic a = 0.537 nm, b ≃ 5 · 0.537 nm and c = 2.463 nm (pseudotetragonal subcell a = 0.5369 (1) nm and c = 2.4627(5) nm) is found to be responsible for the superconductive property. The structural model of this compound is compared with the Aurivillius phases.Keywords
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