Preparation of Oriented Orthorhombic LnBa2Cu3O7-x Polycrystals
- 1 August 1987
- journal article
- Published by IOP Publishing in Japanese Journal of Applied Physics
- Vol. 26 (8A) , L1421
- https://doi.org/10.1143/jjap.26.l1421
Abstract
Tetragonal YBa2Cu3O7-x and DyBa2Cu3O7-x crystals were ground to resemble plate-like powder. Pellets of oriented tetragonal polycrystals were prepared from this powder using a uniaxial press. The tetragonal pellet was transformed into oriented orthorhombic polycrystals. The orientation of crystals was investigated by X-ray diffraction measurement and observed by SEM images. Samples exhibited zero resistance above 90 K, with a transition width of 2.0 K.Keywords
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