EDELMAN, Irina; IVANOVA, Oxana; IVANTSOV, Ruslan; PETRAKOVSKAJA, Eleonora; VELIKANOV, D.; ZABLUDA, V.; HENNET, Louis; THIAUDIÈRE, Dominique; SABOUNGI, Marie-Louise; ZUBAVICHUS, Y.; STEPANOV, S.; ZAIKOVSKII, Vladimir; ARTEMENKO, Alla; KLIAVA, Janis

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EDELMAN, Irina
L.V. Kirensdy Institute of Physics

IVANOVA, Oxana
L.V. Kirensdy Institute of Physics

IVANTSOV, Ruslan
L.V. Kirensdy Institute of Physics

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Ce document a été publié dans

Physics and Chemistry of Glasses - European Journal of Glass Science and Technology Part B. 2012, vol. 53, n° 2, p. 37-44

Society of Glass Technology

Résumé en anglais

A comparative multitechnique study (including transmission electron microscopy, synchrotron radiation, static magnetisation, magnetic circular dichroism and electron magnetic resonance) has been carried out of nanoparticle-containing borate glasses of two different types: (i) with iron and manganese oxide additives and (ii) with iron and rare earth oxide additives. Due to the presence of magnetic nanoparticles, these glasses have a nonlinear magnetic field dependence of magnetization with hysteresis and saturation while remaining transparent in the visible and near-infrared spectral ranges. The nature of the nanoparticles has been identified as manganese ferrite for type (i) glasses and maghemite for type (ii) glasses. The synchrotron radiation studies as well as the computer-assisted electron magnetic resonance provide an insight into the morphological characteristics of the magnetic nanoparticles in the glass.< Réduire

Mots clés en anglais

Glasses

Nanoparticles

Rare earth

Magnet

Origine

Importé de hal

Unités de recherche

Laboratoire Ondes et Matière d'Aquitaine (LOMA) - UMR 5798