Optical properties and electronic structure of LaNi5-xCu x (x=0-1.2) intermetallic system

Yu V. Knyazev, Yu I. Kuz'min, A. V. Lukoyanov, A. G. Kuchin

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

2 Citations (Scopus)

Abstract

Optical properties of the LaNi5-xCux (x = 0, 0.6, 1, 1.2) compounds were studied. It was shown that substitution of copper for nickel led to noticeable changes in the optical conductivity spectra. Calculations of the electronic structure of compounds with x = 0, 1, 2 were performed using a generalized gradient approximation. The interband optical conductivity of these intermetallics was calculated. The optical ellipsometrical measurements and theoretical calculations testify to the appearance of a broad absorption structure associated with the Cu 3d → Ni 3d electron transitions and increasing with the growth of copper content.

Original languageEnglish
Title of host publicationTrends in Magnetism
PublisherTrans Tech Publications Ltd
Pages529-532
Number of pages4
ISBN (Print)9783037850213
DOIs
Publication statusPublished - 2011
Externally publishedYes

Publication series

NameSolid State Phenomena
Volume168-169
ISSN (Print)1012-0394

Keywords

  • Crystal structure
  • Density of states
  • Electronic structure
  • Interband absorption
  • Nickel - Rare-earth intermetallic compounds
  • Optical conductivity

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