| Autor: |
Karki AB; Department of Physics and Astronomy, Louisiana State University, Baton Rouge, LA 70803, USA., Browne DA, Stadler S, Li J, Jin R |
| Jazyk: |
angličtina |
| Zdroj: |
Journal of physics. Condensed matter : an Institute of Physics journal [J Phys Condens Matter] 2012 Feb 08; Vol. 24 (5), pp. 055701. Date of Electronic Publication: 2012 Jan 18. |
| DOI: |
10.1088/0953-8984/24/5/055701 |
| Abstrakt: |
We report the electrical transport, magnetic, and thermodynamic properties of polycrystalline PdTe which exhibits superconductivity below 4.5 K. Using the measured values for the lower (H(c1)) and upper (H(c2)) critical fields, and the specific heat C(p), we estimate the thermodynamic critical field H(c)(0), coherence length ξ(0), penetration depth λ(0), and the Ginzburg-Landau parameter κ. Compared with band structure calculations, the density of states at the Fermi level is enhanced due to electron-phonon coupling with λ(ep) = 1.4. Furthermore, the large values of ΔC(p)/γ(n)T(c) and 2Δ(0)/k(B)T(c) suggest that PdTe is a strongly coupled superconductor. |
| Databáze: |
MEDLINE |
| Externí odkaz: |
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