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Magnetic Interaction between Iron Particles in Lithium Phosphate Systems


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Abstract

The glasses from the system xFe2O3(100 – x)[P2O5 · Li2О] with 0 < x < 50 mol % are studied. These materials have been prepared and characterized by magnetic susceptibility. Iron ions generally modify in different ways the local structure of these glasses, depending on the presence of Li2O in the glass matrix. The results have shown the presence of antiferromagnetic or ferromagnetic interactions between iron ions in the studied glass and temperature range. These data revealed that the valence states and the distribution of iron ions in the glass matrix depend on the Fe2O3 content, and can determine the decreasing of magnetic momentum (μeff).

About the authors

C. Andronache

Technical University of Cluj Napoca, North University Center of Baia Mare

Email: daniaracolta@yahoo.com
Romania, Baia Mare, 430122

M. Balasoiu

Joint Institute for Nuclear Research; Horia Hulubei National Institute of Physics and Nuclear Engineering

Email: daniaracolta@yahoo.com
Russian Federation, Dubna, Moscow oblast; Magurele

D. Racolta

Technical University of Cluj Napoca, North University Center of Baia Mare

Author for correspondence.
Email: daniaracolta@yahoo.com
Romania, Baia Mare, 430122

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