Mm. Shukla et Jr. Campanha, LATTICE-DYNAMICS OF METALLIC-GLASS CA70MG30 ON THE MODEL OF BHATIA AND SINGH, Acta Physica Polonica. A, 94(4), 1998, pp. 655-660
The lattice dynamical studies of the metallic glass Ca70Mg30 by Bhatia
and Singh on their model contained two shortcomings, firstly the elec
tron-ion interaction matrix was wrong and secondly, the numerical valu
e of the bulk modulus of the electron gas was accepted arbitrarily. By
modifying the electron-ion dynamical matrix and determining all the m
odel parameters from the experimental data, we made a fresh study of t
he lattice dynamics of Ca70Mg30 and compared it to the earlier studies
of Bhatia and Singh and also with experimental phonons.