Ikeda, N. ; Kohn, K. ; Sampathkumaran, E. V. ; Vijayaraghavan, R. (1988) Suppression of superconductivity by lanthanum substitution in the Bi4Ca3Sr3Cu4Oy system Solid State Communications, 68 (1). pp. 51-55. ISSN 0038-1098
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Official URL: http://linkinghub.elsevier.com/retrieve/pii/003810...
Related URL: http://dx.doi.org/10.1016/0038-1098(88)90243-8
Abstract
The influence of partial substitution of La for Bi on the superconductivity of Bi4Ca3Sr3Cu4Oy (y=undetermined) is investigated by DC resistance (R) and AC susceptibility (χ) measurements and compared with the behaviour in the corresponding Eu and Gd substituted specimens. The results suggest that La suppresses superconductivity much faster than Eu and Gd substituents. We propose that the depression of superconductivity by La is not simply due to disorder, but due to the presence of extended 4f electrons.
| Item Type: | Article |
|---|---|
| Source: | Copyright of this article belongs to Elsevier Science. |
| ID Code: | 45717 |
| Deposited On: | 29 Jun 2011 03:17 |
| Last Modified: | 29 Jun 2011 03:17 |
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