Abstract
Superconducting properties of pseudo-single crystals of C8K were investigated by low frequency a.c. magnetic susceptibility and electrical resistivity measurements. The measured values of Tc were between 128 and 198 mK for 13 samples. Measurements of the superconducting transition in a magnetic field revealed a remarkable anisotropy, such that if θ is defined as the angle between the applied magnetic field and the layer plane, type II superconductivity was observed for 0° ≦ {divides} θ {divides} ≲ 25° and type I superconductivity for 25° ≲ {divides} θ {divides}≦ 90°. The angular dependences of Hc2 and Hc3 were fairly well-explained by the effective mass model.
Original language | English |
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Pages (from-to) | 1111-1118 |
Number of pages | 8 |
Journal | Journal of Physics and Chemistry of Solids |
Volume | 41 |
Issue number | 10 |
DOIs | |
Publication status | Published - 1980 |
ASJC Scopus subject areas
- Chemistry(all)
- Materials Science(all)
- Condensed Matter Physics