Structural Changes Accompanying the Low-Temperature Annealing of $YBa_2Cu_3O_{7-\delta} (0.3 \leq \delta \leq 0.4)$: Transformation of the 123 Phase to a 124-Type Structure

Nagarajan, R and Rao, CNR (1993) Structural Changes Accompanying the Low-Temperature Annealing of $YBa_2Cu_3O_{7-\delta} (0.3 \leq \delta \leq 0.4)$: Transformation of the 123 Phase to a 124-Type Structure. In: Journal of Solid State Chemistry, 103 (2). pp. 533-538.

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Abstract

Superconducting $YBa_2Cu_3O_{7-\delta} (0.3 \leq \delta \leq 0.4)$ compositions seem to transform to a metastable $YBa_2Cu_4O_8$ (124)-like phase with a c parameter of 27.2 Å on annealing at 473 K for a few hours.

Item Type: Journal Article Copyright of this article belongs to Elsevier. Division of Chemical SciencesDivision of Chemical Sciences > Solid State & Structural Chemistry Unit 18 Jul 2006 19 Sep 2010 04:30 http://eprints.iisc.ernet.in/id/eprint/7890