Uhlarz, M. ; Ignatchik, O. ; Wosnitza, J. ; Naren, H. R. ; Thamizhavel, A. ; Ramakrishnan, S. (2010) Superconducting phase diagram of Rh17S15 Journal of Low Temperature Physics, 159 (1-2). pp. 176-179. ISSN 0022-2291
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Official URL: http://www.springerlink.com/content/m1q643370gkgp7...
Related URL: http://dx.doi.org/10.1007/s10909-009-0146-y
Abstract
We report on measurements of the magnetization up to 7 T, of the specific heat and electrical resistivity in fields up to 14 T, and of the magnetic susceptibility in fields up to 20 T of a polycrystalline sample of Rh17S15. Our data allow us to complement the superconducting phase diagram. The existence of narrow 4d-band states (and thus of strong electronic correlations that seem not to provide magnetic correlations) is supported by the moderately high electronic contribution to the specific heat of about 107 mJ/molK2, favoring the existence of a strong superconducting interaction. This fact, and the remarkably high upper critical field (exceeding the simple Pauli limit by a factor of two), give evidence of the uncommon nature of the superconductivity in Rh17S15.
| Item Type: | Article |
|---|---|
| Source: | Copyright of this article belongs to Springer. |
| Keywords: | Transition Metal Sulfides; Superconductivity |
| ID Code: | 40932 |
| Deposited On: | 25 May 2011 12:30 |
| Last Modified: | 25 May 2011 12:30 |
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