H-T Phase Diagram of First-Order Valence Transtition in Yb 1-xYxInCu4: An Experimental Observation on Falicov-Kimball Model

Wei Zhang, Hiroto Ohta, Kazuyoshi Yoshimura, N. V. Mushnikov, Tsuneaki Goto, Akihiro Mitsuda

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Abstract

We report experimental results of magnetic susceptibility and the high-field magnetization of Yb1-xYxInCu4 under various fixed temperatures, most of which are found to be explained by the calculation according to the modified Falicov-Kimball model, although the observed sharp transition in substituted YbInCu4 is unexpected by this model. By proper scaling of the (Hv, Tv) data extracted from the high-field magnetization measurements, we can collect all of the data from the system of Yb1-xYxInCu4 onto a universal H-T phase diagram, but it is shifted from the relationship expected by Falicov-Kimball model.

Original languageEnglish
Pages (from-to)875-879
Number of pages5
JournalFuntai Oyobi Fummatsu Yakin/Journal of the Japan Society of Powder and Powder Metallurgy
Volume50
Issue number11
DOIs
Publication statusPublished - Nov 2003
Externally publishedYes

All Science Journal Classification (ASJC) codes

  • Mechanical Engineering
  • Industrial and Manufacturing Engineering
  • Metals and Alloys
  • Materials Chemistry

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