Structural transition in mixed valence Yb4As3

A. Ochiai, K. Takeuchi, N. Niitsuma, T. Suzuki, T. Kasuya

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16 Citations (Scopus)


We have found a temperature induced structural transition in Yb4As3 around 300 K from cubic anti-Th3P4 structure (at high temperatures) to trigonal one (at low temperatures). This transition is also observed in the magnetic susceptibility and the resistivity. The slope of the inverse susceptibility indicates the configuration of Yb3+Yb2+3As3. These situations in Yb4As3 are very similar to that of Sm4Bi3 and it is thought that in Yb4As3, too, the high temperature cubic phase is the valence fluctuating state and the trigonal phase is the charge ordered state.

Original languageEnglish
Pages (from-to)618-620
Number of pages3
JournalJournal of Magnetism and Magnetic Materials
Issue numberC
Publication statusPublished - 1987 Jan

ASJC Scopus subject areas

  • Electronic, Optical and Magnetic Materials
  • Condensed Matter Physics


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