Sood, A. K. ; Sankaran, K. ; Sastry, V. S. ; Janawadkar, M. P. ; Sundar, C. S. ; Janaki, J. ; Vijayalakshmi, S. ; Hariharan, Y. (1988) Experimental study of the decomposition of Y1Ba2Cu3O7-x into tetragonal and orthorhombic phases Physica C: Superconductivity, 156 (5). pp. 720-726. ISSN 0921-4534
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Official URL: http://www.sciencedirect.com/science/article/pii/0...
Related URL: http://dx.doi.org/10.1016/0921-4534(88)90149-9
Abstract
Infrared absorption spectroscopy and X-ray diffraction measurements have been used to show that a single phase oxygen deficient Y1Ba2Cu3O7-x (YBCO) when annealed at low temperatures (200°C) is unstable towards decomposition into a mixture 0824 1062 of orthorhombic and tetragonal phases. This is in qualitative agreement with the calculated phase diagram of YBCO. The degradation in the superconducting properties (Meissner signal reduced by a factor of 2) that accompanies this annealing treatment is understood as being a direct consequence of the decomposition.
| Item Type: | Article |
|---|---|
| Source: | Copyright of this article belongs to Elsevier Science. |
| ID Code: | 53231 |
| Deposited On: | 05 Aug 2011 10:31 |
| Last Modified: | 04 Oct 2011 14:17 |
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