Classical and reentrant spin-glass behaviour in amorphous (Fe 1-xMx)77Si10B13 (M=V,Cr,Mn,Ni) alloys

T. Miyazaki, I. Okamoto, Y. Ando, Migaku Takahashi

Research output: Contribution to journalArticle

16 Citations (Scopus)

Abstract

The AC susceptibility of rapidly quenched amorphous (Fe1-xM x)77Si10B13 (M=V,Cr,Mn,Ni) alloys has been measured in the temperature range from 4.2 to 300 K. A magnetic phase diagram is obtained for each pseudobinary alloys system. The alloys are found to exhibit either reentrant or classical spin-glass behaviour at low temperatures. A spontaneous magnetic moment exists in the reentrant spin-glass state but not in the classical spin-glass state. The common feature of all the alloy systems is a remarkable increase in coercivity and relaxation below Tg. 57Fe Mossbauer spectra have also been measured for the M=Mn alloys, and a steep increase in the average hyperfine field is observed below T g.

Original languageEnglish
Article number026
Pages (from-to)1601-1610
Number of pages10
JournalJournal of Physics F: Metal Physics
Volume18
Issue number7
DOIs
Publication statusPublished - 1988 Dec 1

ASJC Scopus subject areas

  • Engineering(all)
  • Physics and Astronomy (miscellaneous)
  • Metals and Alloys

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