Electronic structure and optical spectra of LuInCu4 and YbMCu4(M=Cu, Ag, Au, Pd, and In)

V. N. Antonov, M. Galli, F. Marabelli, A. N. Yaresko, A. Ya. Perlov, and E. Bauer
Phys. Rev. B 62, 1742 – Published 15 July 2000
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Abstract

Optical reflectivity measurements over a wide spectral range and at different temperatures together with self-consistent electronic band structure calculations have been used to investigate the electronic structure of the LuInCu4 and YbMCu4(M=Cu,Ag,Au,Pd,In) compounds. The electronic structure of the compounds is investigated theoretically using an energy-band approach in combination with the linear-response formalism. The energy-band structure is obtained within the local-spin-density approximation (LSDA) and within its extension that explicitly takes into account the on-site 4f Coulomb interaction U(LSDA+U). A remarkable agreement between theory and experiment has been found.

  • Received 3 December 1999

DOI:https://doi.org/10.1103/PhysRevB.62.1742

©2000 American Physical Society

Authors & Affiliations

V. N. Antonov*, M. Galli, and F. Marabelli

  • Istituto Nazionale per la Fisica della Materia (INFM) and Dip. di Fisica A. Volta, Universitá di Pavia, 27100 Pavia, Italy

A. N. Yaresko and A. Ya. Perlov

  • Institute of Metal Physics, 36 Vernadsky Street, 252142 Kiev, Ukraine

E. Bauer

  • Institut für Experimentalphysik, Technical University, A-1040 Vienna, Austria

  • *Permanent address: Institute of Metal Physics, 36 Vernadskii strasse, 252142 Kiev, Ukraine.

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Vol. 62, Iss. 3 — 15 July 2000

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