Hassen, A. ; Mandal, P. ; Hemberger, J. ; Krimmel, A. ; Choudhury, P. ; Ghosh, B. ; Loidl, A. (2003) Transport and magnetic properties of Ru(Sr1−xLax)2RCu2O8 (R=Gd, Eu) superconductor Physica C: Superconductivity, 398 (3-4). pp. 123-130. ISSN 0921-4534
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Official URL: http://doi.org/10.1016/S0921-4534(03)01273-5
Related URL: http://dx.doi.org/10.1016/S0921-4534(03)01273-5
Abstract
The resistivity, thermopower and magnetic properties have been investigated systematically in the ferromagnetic superconductors Ru(Sr1−xLax)2RCu2O8 (R = Gd and Eu), in which carrier density has been reduced by partial re-placement of Sr by La ions. With increasing x both the resistivity and thermo power are found to increase where as superconducting transition temperature Tc shows a considerable decrease and the system becomes more and more under doped. Based on our results, we conclude that similar to other high- Tc materials, superconductivity appears in the vicinity of insulator to metal transition point at around 0.04 holes/Cu.
| Item Type: | Article |
|---|---|
| Source: | Copyright of this article belongs to Elsevier Science. |
| ID Code: | 122876 |
| Deposited On: | 25 Aug 2021 08:02 |
| Last Modified: | 25 Aug 2021 08:02 |
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