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Electron microscopic investigation of high-temperature oxide superconductors

Subbanna, GN (1988) Electron microscopic investigation of high-temperature oxide superconductors. In: Bulletin of Materials Science, 10 (3). 233 -239.

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Abstract

Electron microscopic investigations have been carried out on superconducting YBa2Cu3 O7−δ, NdBa2Cu3 O7−δ and related oxides. All these orthorhombic oxides exhibit twin domains. Based on high resolution electron microscopy, it is shown that there is no significant change in the structure across the twins. Oxides of the La2−x Sr x (Ba x )CuO4 system do not show twins, but exhibit other types of defects. Twins appear to be characteristic of only the orthorhombic 123 structures.

Item Type: Journal Article
Additional Information: Copyright of this article belongs to Indian Academy of Sciences.
Keywords: Electron microscopy;twins;oxide superconductors.
Department/Centre: Division of Chemical Sciences > Materials Research Centre
Date Deposited: 15 Sep 2010 11:20
Last Modified: 19 Sep 2010 06:16
URI: http://eprints.iisc.ernet.in/id/eprint/32172

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