Vibrational modes of α-berlinite (AlPO<inf>4</inf>)

A. Goullet, T. Bretagnon, J. Camassel, J. Pascual

Research output: Contribution to journalArticleResearchpeer-review

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Abstract

We present a theoretical investigation of the lattice dynamics of α-aluminium phosphate (berlinite) which takes only into account short-range interactions and axially symmetric tensor forces between (i) the first nearest-neighbours metal-oxygen or oxygen-oxygen pairs and (ii) the second nearest-neighbours metal-metal pairs. Our calculation accounts satisfactorily for the experimental phonon frequencies deduced from infrared and Raman data and for the corresponding absorption strength of Raman scattering intensities. © 1990 IOP Publishing Ltd.
Original languageEnglish
Pages (from-to)478-480
JournalPhysica Scripta
Volume42
Issue number4
DOIs
Publication statusPublished - 1 Oct 1990

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