Phonon dispersion relation in fayalite,
โ
S. Ghose; J.M. Hastings; Narayani Choudhury; S.L. Chaplot; K.R. Rao
๐
Article
๐
1991
๐
Elsevier Science
๐
English
โ 235 KB
Inelastic neutron scattering measurements and rigid-ion model calculations of phonon dispersion relation in the geophysically important mineral fayalite is reported. The measured r. 4 TA branch is found to be softer in fayalite as compared to that in forsterite Mg2SiO 4. The rigid-ion model calculat