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Published on: July 27, 2018
Hybridization phenomena in nearly-half-filled f-shell electron systems: photoemission study of EuNi2P2
S Danzenbächer1, D V Vyalikh, Yu Kucherenko
1Institut für Festkörperphysik, Technische Universität Dresden, D-01062 Dresden, Germany.
Abstract:
The mixed-valent compound EuNi2P2 was studied by photoemission. Observed splittings and dispersions of the Eu 4f;{6} final state close to energy crossings of the Eu 4f and Ni 3d states are explained in terms of hybridization by a momentum and energy dependence of the electron hopping matrix element. These data obtained for a system with more than one 4f electron (hole) show that dispersions and hybridization gaps related to Kondo and heavy-fermion behavior can be found in other rare-earth-metal compounds apart from Ce and Yb-based ones.
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