Thomas, K. A. ; Varadaraju, U. V. ; Subba Rao, G. V. ; Tomy, C. V. ; Malik, S. K. (1990) Superconductivity studies on Tl---M---Ba---Cu---O (M = Ce, Th, Pr, Tb, Pb, and Te) system Journal of Solid State Chemistry, 88 (1). pp. 177-182. ISSN 0022-4596
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Official URL: http://www.sciencedirect.com/science/article/pii/0...
Related URL: http://dx.doi.org/10.1016/0022-4596(90)90212-G
Abstract
Superconductivity with a Tc,zero at 75 ± 1 K has been observed in Tl---M---Ba---Cu---O (M = Ce, Th) system for a starting nominal composition of Tl2.2M1Ba2Cu3Oy. X-ray data show that the compounds are multiphasic with the 2201 phase as the predominant one which is responsible for superconductivity. Lower Tc values are noted for M = Pr and Tb. Only metallic behavior is observed for pure Tl2Ba2Cu1Oy and M = Pb or (Pb + Sb) or Te containing phases down to 15 K.
| Item Type: | Article |
|---|---|
| Source: | Copyright of this article belongs to Elsevier Science. |
| ID Code: | 52025 |
| Deposited On: | 02 Aug 2011 08:19 |
| Last Modified: | 02 Aug 2011 08:19 |
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