Valence instability in Eu(Pd1-xAux)2Si2: The global phase diagram

C. U. Segre, M. Croft, J. A. Hodges, V. Murgai, L. C. Gupta, R. D. Parks

Research output: Contribution to journalArticlepeer-review

70 Scopus citations

Abstract

A system has been discovered in which the characteristic energies of a valence instability and a magnetic ordering instability can be brought into parity. This leads to a novel phase diagram where a line of second-order magnetic transitions terminates at a line of first-order valence transitions which, in turn, terminates at a critical point. Microscopic Mössbauer- effect measurements of the order parameters across both magnetic and valence instabilities, along with bulk magnetic susceptibility measurements, are presented.

Original languageEnglish (US)
Pages (from-to)1947-1950
Number of pages4
JournalPhysical review letters
Volume49
Issue number26
DOIs
StatePublished - 1982

All Science Journal Classification (ASJC) codes

  • Physics and Astronomy(all)

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