Mössbauer spectroscopy, intracluster atomic mobility and thermodynamics of ultrafine oxide clusters

I. P. Suzdalev*, V. N. Buravtsev, V. K. Imshennik, Y. V. Maksimov, V. V. Matveev, A. V. Volynskaya, A. X. Trautwein, H. Winkler

*Corresponding author for this work
2 Citations (Scopus)

Abstract

Dynamic properties of ultrafine clusters of γ-Fe2 O3 (ferric oxide, FO) were studied by Mössbauer spectroscopy and by thermodynamic analysis. The data obtained for FO clusters allowed the conclusion that dynamic properties of clusters as well as the decrease of melting point and the appearance of a gap between freezing and melting points depend on intracluster atomic mobility. Intracluster atomic mobility in FO clusters was shown to increase by the action of surfactants which decrease intercluster interactions. The increase in intracluster atomic mobility was suggested to proceed via formation of a solid-liquid state.

Original languageEnglish
JournalNuovo Cimento della Societa Italiana di Fisica D - Condensed Matter, Atomic, Molecular and Chemical Physics, Biophysics
Volume18
Issue number2-3
Pages (from-to)287-292
Number of pages6
ISSN0392-6737
DOIs
Publication statusPublished - 01.01.1996

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