EPR AND MAGNETIC SUSCEPTIBILITY STUDIES ON MnO-TeO2-B2O3-SrF2 GLASSES
作者： I. Ardelean , N. Mureşan , P. Pǎşcuţǎ , None
DOI: 10.1142/S0217984906011967
关键词:
摘要: EPR and magnetic susceptibility measurements on xMnO·(100-x)[70TeO2·25B2O3·5SrF2] glasses, within 0.1 ≤ x 50 mol% were performed. The number of isolated Mn2+ ions, participating at the g ≈ 4.3 resonance increases up to 1 MnO after that decreases nil for 10 MnO. ions 2.0 when content rises. From line-width composition dependence these > 3 mol%, manganese participate in superexchange interaction. Magnetic revealed both Mn3+ valence states as simultaneously present vitreous matrix are involved negative interactions, being antiferromagnetically coupled.
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