Upper critical field anisotropy in the Chevrel phase compound PbMo6S8
β Scribed by B. G. Pazol; D. J. Holmgren; D. M. Ginsberg
- Publisher
- Springer US
- Year
- 1989
- Tongue
- English
- Weight
- 526 KB
- Volume
- 74
- Category
- Article
- ISSN
- 0022-2291
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π SIMILAR VOLUMES
Resistive (R(B,T)) transitions for both PbMo6S8 (PMS) and SnMo6S8 (SMS) compounds were measured in applied magnetic fields. For both compounds, the pseudo upper critical field Bc2\*(T) lines determined at different constant resistance criteria show a deviation from the expected thermodynamic Bc2(T).
PbM06Sg is a potential superconducting material for high magnetic field applications, but, up to now, the critical current density J c is still slightly to low to make it competitive for technical development. Analyses based on specific heat and ac susceptibility experiments m zero magnetic field sh
The Chevrel-phase compounds PbMo6S8 and Cul.8Mo6S8 have been investigated by tunneling spectroscopy. These superconductors show a very strong electron-phonon interaction expressed by 4 <--2Ao/kTc<--5. Structures in the tunneling density of states have been observed at most energies where the phonon