Charge segregation in Yb4 as3 observed using 172Yb PAC probe

M. Rams, K. Królas, K. Tomala, Akira Ochiai, T. Suzuki

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Abstract

We present results of PAC measurements in heavy-fermion compound Yb4As3. The quadrupole hyperfine interaction has been investigated over the temperature range 78-850 K. The interpretation of the experimental data yields a microscopic proof of the existence of a charge-ordered state with periodic arrangement of Yb2+ and Yb3+ ions in the low temperature phase. In the high temperature phase all Yb ions are in a valence fluctuating state.

Original languageEnglish
Pages (from-to)125-132
Number of pages8
JournalHyperfine Interactions
Volume97-98
Issue number1
Publication statusPublished - 1996 Dec 1

ASJC Scopus subject areas

  • Atomic and Molecular Physics, and Optics
  • Nuclear and High Energy Physics
  • Condensed Matter Physics
  • Physical and Theoretical Chemistry

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    Rams, M., Królas, K., Tomala, K., Ochiai, A., & Suzuki, T. (1996). Charge segregation in Yb4 as3 observed using 172Yb PAC probe. Hyperfine Interactions, 97-98(1), 125-132.