Abstract

AbstractThe first three even moments of the phonon density of states of LiGaO2 and the anharmonic contribution to the heat capacity at constant volume of the compound are estimated from experimental heat capacity data. The effect of lattice anharmonicity is discussed in terms of perturbation theory. The temperature dependent principal Grüneisen functions of LiGaO2 are calculated. The results obtained for LiGaO2 are compared with existing literature for other ternary lithium compounds. (© 2004 WILEY‐VCH Verlag GmbH & Co. KGaA, Weinheim)

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