SUPERCONDUCTIVITY AT 12-K IN Y-NI-B SYSTEM
- MAZUMDAR, C
- NAGARAJAN, R
- GODART, C
- GUPTA, LC
- LATROCHE, M
- DHAR, SK
- LEVYCLEMENT, C
- PADALIA, BD
- VIJAYARAGHAVAN, R
Publication date
January 1993
DOI Publisher
Elsevier BV Journal
Solid State CommunicationsAbstract
We have observed a superconducting transition at 12 K in the system Y-Ni-B (nominal composition: YNi4B). Sharp drop in resistivity (it does not go to zero) and a diamagnetic susceptibility below 12 K clearly indicate a superconducting transition. Possibility of a magnetic phase transition at this temperature is ruled out by our specific heat measurements. Superconducting fraction of our samples, as estimated from Meissner effect measurements, is about 2%
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