Research Papers in Physics and Astronomy

 

Date of this Version

1991

Comments

Published in Phys. Rev. B , 7387 - 7393 (1991). Copyright © 1990 The American Physical Society. Used by permission.

Abstract

Raman-scattering measurements on single crystals of K2SO4, Rb2SO4, and Cs2SO4 have been made at both room and liquid-nitrogen temperatures. Lattice-dynamical calculations, based on a rigid-ion model using the Gordon-Kim method to calculate the short-range potentials, were performed. The influence of the alkali-metal ions on the lattice-dynamical properties of the crystals is discussed.

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