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Journal of Materials Science

, Volume 42, Issue 14, pp 5465–5469 | Cite as

Structural and magnetic properties of strontium–borate glasses containing iron ions

  • I. ArdeleanEmail author
  • R. Lungu
  • P. Păşcuţă
Article

Abstract

Glasses of the xFe2O3·(100 − x)[B2O3·SrO] system, with 0 ≤ x ≤ 30 mol%, were studied by EPR and magnetic susceptibility measurements. EPR spectroscopy and magnetic susceptibility measurements show that the Fe3+ ions are localized in sites of distorted octahedral symmetry and in clustered formations containing both Fe3+ and Fe2+ ions. Dipolar and superexchange interactions involving iron ions were revealed depending on the iron content of the sample.

Keywords

Electron Paramagnetic Resonance B2O3 Borate Glass Magnetic Susceptibility Measurement Fe2O3 Content 

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Copyright information

© Springer Science+Business Media, LLC 2007

Authors and Affiliations

  1. 1.Faculty of PhysicsBabes-Bolyai UniversityCluj-NapocaRomania
  2. 2.Department of ThermothecnicsTechical UniversityCluj-NapocaRomania

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