Pippard relations modified by the Raman
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H. Yurtseven
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Article
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2009
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Elsevier Science
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English
β 281 KB
Pippard relations in terms of the frequency shifts of the m 7 (40 cm Γ1 ) lattice mode, are established here for the phases I and II in NH 4 I. The temperature-induced frequency shift, (1/m)(om/oT) P is calculated through the isobaric mode GrΓΌneisen parameter c P using the lattice parameter data at