Rao, C. N. R. ; Ganapathi, L. ; Vijayaraghavan, R. ; Ranga Rao, G. ; Murthy, Kumari ; Mohan Ram, R. A. (1988) Superconductivity in the Bi2(Ca, Sr)n+1CunO2n+4 (n=1, 2, or 3) series: synthesis, characterization and mechanism Physica C: Superconductivity, 156 (5). pp. 827-833. ISSN 0921-4534
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Official URL: http://linkinghub.elsevier.com/retrieve/pii/092145...
Related URL: http://dx.doi.org/10.1016/0921-4534(88)90169-4
Abstract
The n=1, 2 and 3 members of the Bi2(Ca, Sr)n+1CunO2n+4 series of superconductors have been synthesized and characterized by a variety of techniques including electrical resistivity, magnetic susceptibility and non-resonant microwave absorption. Based on studies with a number of compositions, the Tc ranges for the n=1, 2 and 3 members are suggested to be 60±20 K, 82±8 K, and 107±3 K, the rather broad ranges arising from differences in sample stoichiometry and homogeneity. Electron spectroscopic studies show that Cu is mainly in the 2+ and 1+ states suggesting the importance of oxygen holes.
| Item Type: | Article |
|---|---|
| Source: | Copyright of this article belongs to Elsevier Science. |
| ID Code: | 40081 |
| Deposited On: | 21 May 2011 08:19 |
| Last Modified: | 26 May 2011 12:21 |
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