Abstract
A Debye temperature θD of 378 (±5K) has been obtained by applying a simplified Debye model to the57Fe Mössbauer spectra of 60CaO·39Ga2O3·57Fe2O3 glass. The θD value is comparable to those (280–580 K) obtained so far in several oxide glasses, glass-ceramics, and ceramics in which Mössbauer atoms are covalently bonded to oxygen atoms and play a role of network former. It proves that Fe(III) atoms occupy the substitutional sites of Ga(III) constituting distorted GaO4 tetrahedra.
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Nishida, T., Kubuki, S. & Katada, M. Substitution of Fe(III) for Ga(III) in calcium gallate glass confirmed from the Debye temperature. J Radioanal Nucl Chem 237, 47–50 (1998). https://doi.org/10.1007/BF02386660
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DOI: https://doi.org/10.1007/BF02386660