Pressure-softening of zone-edge TA phonons and the fourfold to sixfold phase change
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DOI: 10.1103/physrevb.104.054105
Abstract: The observed tendency in tetrahedral solids for the pressure-induced softening of zone-edge TA phonons to correlate with the threshold pressure ${P}_{T}$ of the fourfold to sixfold phase change is examined for 25 materials. A strong… read more here.
Keywords: edge phonons; softening zone; zone edge; pressure ... See more keywords