Magnetic and acoustic relaxations in Mn-ferrites

Y. Kawai, Z. Simsa, V.A.M. Brabers

Research output: Contribution to journalArticleAcademicpeer-review

Abstract

Magnetic and acoustic losses were measured in single-crystal manganese ferrites at temperatures 80 ÷ 630 K. Relaxation peaks at 230 and 540 K were observed with activation energies of 0.27 ÷ 0.42 and 0.64 ÷ 0.82 eV, respectively. Both peaks are influenced by heat-treatments resulting in different degrees of inversion and vacancy distributions.
Original languageEnglish
Pages (from-to)925-926
JournalJournal de Physique. Colloque
Volume49
Issue numberC8
DOIs
Publication statusPublished - 1988

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