Spin Fluctuations and Superconductivity in Mo3Sb7
C. Candolfi, B. Lenoir, A. Dauscher, C. Bellouard, J. Hejtmánek, E. Šantavá, J. Tobola
DOI 10.1103/PhysRevLett.99.037006 · Physical Review Letters
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Abstract
Temperature dependences of the magnetic susceptibility, specific heat, and electrical resistivity have been measured for the Mo3Sb7 compound in the 0.6–350 K range. This compound exhibits bulk superconductivity occurring at 2.25 K and follows the Kadowaki-Woods relation, A/γ2=1.0×10−5 μΩ·cm(K·mol/mJ)2, as a heavy-fermion system does. We show, from experimental evidence and theoretical argument, that Mo3Sb7 can be classified as a coexistent superconductor-spin fluctuation system. The McMillan equation including paramagnon effects was found to give an accurate estimation of the transition temperature.
Source-reported materials — not catalogue approval
| Formula | Reported Tc (K) | Pressure (GPa) | Type |
|---|---|---|---|
| Mo3Sb7 Archive — visibility unverified Source-occurrence policy only; no material identity or catalogue acceptance is inferred from the formula. | 2.25 | Pressure not reported | onset |
| Mo3Sb7 Archive — visibility unverified Source-occurrence policy only; no material identity or catalogue acceptance is inferred from the formula. | 2.3 | Pressure not reported | midpoint |
| Mo3Sb7 Archive — visibility unverified Source-occurrence policy only; no material identity or catalogue acceptance is inferred from the formula. | 2.1 | Pressure not reported | unknown |
| Mo3Sb7 Archive — visibility unverified Source-occurrence policy only; no material identity or catalogue acceptance is inferred from the formula. | 2.2 | Pressure not reported | unknown |
| MgCNi3 Archive — visibility unverified Source-occurrence policy only; no material identity or catalogue acceptance is inferred from the formula. | — | Pressure not reported | unknown |
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