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EPR and magnetic susceptibility studies of Cr2O3–Bi2O3–GeO2 glasses

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Abstract

Electron paramagnetic resonance (EPR) and magnetic susceptibility measurements have been performed on xCr2O3(1−x)[Bi2O3·GeO2] glasses with 0<x≤20 mol%. These data show that the chromium ions are in Cr3+ valence state and for x≤5 mol% they are isolated or experience dipole–dipole interactions. For higher Cr2O3 content the Cr3+ ions participate to the dipole–dipole and superexchange type interactions.

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Authors and Affiliations

  1. Faculty of Physics, Babes-Bolyai University, 3400, Cluj-Napoca, Romania

    I Ardelean

  2. Department of Physics, University of Oradea, 3700, Oradea, Romania

    M Peteanu

Authors
  1. I Ardelean
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  2. M Peteanu
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  3. V Simon
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  4. C Bob
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  5. S Filip
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Ardelean, I., Peteanu, M., Simon, V. et al. EPR and magnetic susceptibility studies of Cr2O3–Bi2O3–GeO2 glasses. Journal of Materials Science 33, 357–362 (1998). https://doi.org/10.1023/A:1004315728704

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