Electron Level Correlation and Superconductivity in Aluminum Small Particles
1988 年 57 巻 11 号 p. 3868-3874
詳細
1988 年 57 巻 11 号 p. 3868-3874
The Knight shift of 27Al in small Al particles is measured in wide ranges of temperature and magnetic field. The samples with diameters smaller than 240 A are investigated. We observe the change in the hamiltonian symmetry with increasing field as a recovery of spin paramagnetic susceptibility. We also observe the critical magnetic field of superconductivity due to orbital pair-breaking effect.
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