Force field of some AB2C4 spinel compounds |
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| Authors: | H.A. Lauwers M.A. Herman |
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| Affiliation: | Laboratorium voor Anorganische Scheikunde, Rijksuniversitair Centrum Antwerpen, Groenenborgerlaan 171, 2020 Antwerpen, Belgium |
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| Abstract: | A rigid-ion model is employed to deduce the Urey-Bradley force constants and the effective ionic charges of some spinels by means of a normal coordinate analysis at zero wave vector. The observed frequencies of the normal modes are taken from the literature. The results are discussed. |
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