Phase-transition behavior in a random-anisotropy system

D. J. Sellmyer, S. Nafis

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Abstract

The character of the magnetic transition is studied for a magnetic glass with strong random-anisotropy and ferromagnetic interactions. Field-dependent ac susceptibility measurements are presented near the ordering temperature of Tb64Fe20Ga16. The data are analyzed with a scaling theory for the singular susceptibility. An excellent collapse of the H, T data is obtained for reduced temperatures in the range 0.002-0.13. These results, which are compared with recent theoretical work, provide strong evidence for a true phase transition in a random-anisotropy system.

Original languageEnglish (US)
Pages (from-to)1173-1176
Number of pages4
JournalPhysical Review Letters
Volume57
Issue number9
DOIs
Publication statusPublished - Jan 1 1986

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ASJC Scopus subject areas

  • Physics and Astronomy(all)

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