Abstract
The technique of Brillouin spectroscopy has been used to determine the adiabatic elastic constants of oriented single crystals of α-CO at temperatures very close to the α–β phase transition. The values of the elastic constants at 60.9 K are c11=2.41, c12=1.44, and c44=1.06 (in units of 109 N m−2) and suggest that the k=0 acoustic phonon behavior is almost identical to that in a rare gas solid.
Published Version
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