Field-induced valence transition

A. Mitsuda, H. Wada, M. Shiga, H. Aruga Katori, T. Goto

Research output: Contribution to journalArticlepeer-review

42 Citations (Scopus)


The magnetic susceptibility and high-field magnetization have been measured for the intermediate valence system Eu((Formula presented)(Formula presented)(Formula presented)(Formula presented) with 0⩽x⩽0.15. A first-order valence transition is observed for all the compounds under high field of 100 T at low temperatures. This valence transition is of first order accompanied with a large hysteresis, which is in contrast to a continuous valence change against temperature. Based on the interconfigurational fluctuation (ICF) model, the temperature- and field-induced valence transitions are discussed. It is found that a first-order valence transition can be induced by magnetic field, even if the system shows a continuous valence transition against temperature. Metamagnetic behavior at finite temperatures is also understood qualitatively by the ICF model.

Original languageEnglish
Pages (from-to)12474-12479
Number of pages6
JournalPhysical Review B - Condensed Matter and Materials Physics
Issue number18
Publication statusPublished - 1997
Externally publishedYes

All Science Journal Classification (ASJC) codes

  • Electronic, Optical and Magnetic Materials
  • Condensed Matter Physics


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