A THEORETICAL CALCULATION OF THE LOW-LYING BRANCHES OF PHONON DISPERSION RELATIONS FOR α-LiIO3

  • A preliminary calculation for the low-lying branches of phonon dispersion relations of α-LiIO3 in directions 001, 100 and 110 using a simplified model are reported. In addition, we point out that coupling between different vibration modes may be important in lattice dynamics of such crystals.


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