Optical spectroscopy and electronic structure of the GdCux compounds (x = 1, 2, 5)

Yu V. Knyazev, N. I. Kourov, A. V. Lukoyanov, Yu I. Kuz'min

Research output: Contribution to journalArticlepeer-review

3 Citations (Scopus)

Abstract

Optical properties of the GdCu, GdCu2, and GdCu5 compounds with various crystal lattices have been investigated using ellipsometry in a spectral range of 0. 22-16 μm. Theoretical calculations of the electronic structure of these intermetallic compounds have been performed in the approximation of local electron density with the correction for strong electron correlations in a 4f shell of gadolinium ions. Based on the results of calculations, the interpretation of experimental spectra of interband optical conductivity has been proposed. The plasma and relaxation frequencies of conduction electrons have been determined.

Original languageEnglish
Pages (from-to)140-144
Number of pages5
JournalPhysics of the Solid State
Volume55
Issue number1
DOIs
Publication statusPublished - 2013
Externally publishedYes

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