Magnetic properties of cobalt-strontium-borate oxide glasses

The results of the temperature dependence of the magnetic susceptibility on xCoO · (1 − x)[2B 2O 3 · SrO]glasses with 0 < x ≤ 50 mol% are reported. The effective magnetic moment values suggest that the Co 2+ ions are predominantly octahedral coordinated in low CoO content glasses, whereas in high...

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Bibliographic Details
Published in:Materials research bulletin 1997-02, Vol.32 (2), p.191-196
Main Authors: Ardelean, I., Ilonca, Gh, Simon, S., Filip, S., Jurcut, T.
Format: Article
Language:English
Subjects:
A. glasses
A. oxides
Condensed matter: electronic structure, electrical, magnetic, and optical properties
D. magnetic properties
Exact sciences and technology
Magnetic properties and materials
Magnetically ordered materials: other intrinsic properties
Physics
Saturation moments and magnetic susceptibilities
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Summary:The results of the temperature dependence of the magnetic susceptibility on xCoO · (1 − x)[2B 2O 3 · SrO]glasses with 0 < x ≤ 50 mol% are reported. The effective magnetic moment values suggest that the Co 2+ ions are predominantly octahedral coordinated in low CoO content glasses, whereas in higher CoO content glasses the Co 2+ ions are located in tetrahedral sites. Also θ p values indicate that the Co 2+ ions participate at the negative superexchange interaction for x ≥ 20 mol%.
ISSN:0025-5408
1873-4227
DOI:10.1016/S0025-5408(96)00177-8