Metallic Point-Contact Spectra of Valence Fluctuation Compounds
Bella BussianII. Physikalisches Institut der Universität zu Köln, D-5000 Köln 41, West GermanyI. FrankowskiII. Physikalisches Institut der Universität zu Köln, D-5000 Köln 41, West GermanyD. WohllebenII. Physikalisches Institut der Universität zu Köln, D-5000 Köln 41, West Germany
1982en
ABI
Abstract
Current-voltage characteristics of metallic point contacts with Ce and Yb valence fluctuation compounds are presented, from which are extracted the lifetime width of the conduction electrons due to dynamic scattering on valence fluctuations, the interconfigurational excitation energy, and a strong asymmetry of the conduction-electron density of states about the Fermi energy.
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