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The mode Gr\"uneisen parameters of the LO and TO Raman phonons of AlN, BN, and BP, and the dependence of eT* on lattice constant have been measured by Raman scattering in a diamond anvil cell. The results for eT* are interpreted by means of pseudopotential calculations of eT* versus lattice constant.
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Sanjurjo et al. (1983) studied this question.
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