Behaviour of ultrasonic velocities in amorphous Se90Ge10 and Se85Ge15 alloys near their glass transition
- Cite this article as:
- Kartha, P.E.S., Padaki, V.C., Lakshmikumar, S.T. et al. Pramana - J. Phys. (1981) 17: 33. doi:10.1007/BF02872035
Precise measurements of 10 MHz frequency longitudinal and shear wave velocities are reported in amorphous SeGe alloys near their glass transition temperature Tg. There is a sharp decrease of the velocities near Tg, but the reduction in velocities appears smaller than expected.