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Pressure study of the noncentrosymmetric 5d-electron superconductors CaMSi3 (M= Ir, Pt)
- Source :
- J. Phys. Soc. Jpn., Vol.81, No.7, p.074711 (2012)
- Publication Year :
- 2012
-
Abstract
- We report hydrostatic pressure study on the Rashba-type noncentrosymmetric superconduc- tors CaMSi3 (M= Ir, Pt). The temperature dependence of the resistivity for both compounds is well described by the conventional Bloch-Gr\"uneisen formalism at each pressure. This fact suggests that electron-phonon scattering is dominant in these compounds. The superconducting critical temperature Tc decreases by pressure as \sim 0.2 K/GPa above 0.41 GPa to 2 GPa for both compounds. This behavior of Tc can be explained with a modest decrease of the density of states based on the conventional BCS theory.<br />Comment: 4 pages, 4 figures
- Subjects :
- Condensed Matter - Superconductivity
Subjects
Details
- Database :
- arXiv
- Journal :
- J. Phys. Soc. Jpn., Vol.81, No.7, p.074711 (2012)
- Publication Type :
- Report
- Accession number :
- edsarx.1204.3796
- Document Type :
- Working Paper
- Full Text :
- https://doi.org/10.1143/JPSJ.81.074711