Elsevier

Journal of Non-Crystalline Solids

Volume 161, 2 August 1993, Pages 112-117
Journal of Non-Crystalline Solids

Section 3. Structure; glass formation; thermodynamics; vitreous systems
EPR structural investigations of transition metal fluoride glasses (TMFG)

https://doi.org/10.1016/0022-3093(93)90680-VGet rights and content

Abstract

The results of an EPR study of TMFG separately doped with Ti3+, Cr3+, Fe3+, Mn2+, Co2+ and Cu2+ ions are presented. These ions are octahedrally coordinated; for Ti3+ and Cu2+ the octahedra are tetragonally distorted. Spin-spin interactions give rise to a strong concentration and temperature dependence of the EPR spectra for Cr3+, Fe3+ and Mn2+; moreover, for these ions a zero field absorption is observed (consistent for Cr3+ with a large single crystal field parameter distribution).

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