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Stoichiometry, Spin Fluctuations, and Superconductivity in LaNiPO
- Source :
- Phys. Rev. B 79, 172502 (2009)
- Publication Year :
- 2009
-
Abstract
- Superconductivity in LaNiPO is disrupted by small (~5%) amounts of non-stoichiometry on the lanthanum site, even though the electronic contribution to the heat capacity increases with increasing non-stoichiometry. All samples also exhibit specific heat anomalies consistent with the presence of ferromagnetic spin fluctuations (Tsf ~ 14 K). Comparison of layered nickel phosphide and nickel borocarbide superconductors reveals different structure-property correlations in the two families.<br />Comment: Submitted to Phys. Rev. B
Details
- Database :
- arXiv
- Journal :
- Phys. Rev. B 79, 172502 (2009)
- Publication Type :
- Report
- Accession number :
- edsarx.0904.4237
- Document Type :
- Working Paper
- Full Text :
- https://doi.org/10.1103/PhysRevB.79.172502