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Study of intracluster atomic mobility in ultrafine clusters of γ-ferric oxide by Mossbauer spectroscopy and thermodynamical analysis

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

*Corresponding author for this work

Abstract

The atomic dynamics of ultrafine clusters of γ-ferric oxide with diameters of 1-3 nm, obtained by thermal decomposition of ferric oxalate, has been studied by gamma-resonance (Mossbauer) spectroscopy and by thermodynamic analysis. The intracluster atomic mobility has been shown to increase by the action of surfactants. Thermodynamical and phenomenological cluster models describing the dynamic state of clusters have been developed and are compared with the experimental data. The conditions for formation of a specific solid-liquid state of clusters are discussed.

Original languageEnglish
JournalZeitschrift fur Physik D-Atoms Molecules and Clusters
Volume36
Issue number2
Pages (from-to)163-169
Number of pages7
ISSN0178-7683
DOIs
Publication statusPublished - 01.06.1996

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