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Pressure-induced Superconductivity in CaLi2
- Source :
- Phys. Rev. Lett. 100, 197003 (2008)
- Publication Year :
- 2007
-
Abstract
- A search for superconductivity has been carried out on the hexagonal polymorph of Laves-phase CaLi2, a compound for which Feng, Ashcroft, and Hoffmann predict highly anomalous behavior under pressure. No superconductivity is observed above 1.10 K at ambient pressure. However, high-pressure ac susceptibility and electrical resistivity studies to 81 GPa reveal bulk superconductivity in CaLi2 at temperatures as high as 13 K. The normal-state resistivity shows a dramatic increase with pressure.<br />Comment: bulk superconductivity in CaLi2 now confirmed
- Subjects :
- Condensed Matter - Superconductivity
Subjects
Details
- Database :
- arXiv
- Journal :
- Phys. Rev. Lett. 100, 197003 (2008)
- Publication Type :
- Report
- Accession number :
- edsarx.0708.2117
- Document Type :
- Working Paper
- Full Text :
- https://doi.org/10.1103/PhysRevLett.100.197003