Pramana

, Volume 17, Issue 1, pp 33–38

Behaviour of ultrasonic velocities in amorphous Se90Ge10 and Se85Ge15 alloys near their glass transition

  • P E S Kartha
  • V C Padaki
  • S T Lakshmikumar
  • E S R Gopal
Solid State Physics

DOI: 10.1007/BF02872035

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

Abstract

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.

Keywords

Chalcogenidesglass transitionultrasonic velocities

Copyright information

© the Indian Academy of Sciences 1981

Authors and Affiliations

  • P E S Kartha
    • 1
  • V C Padaki
    • 1
  • S T Lakshmikumar
    • 1
  • E S R Gopal
    • 1
  1. 1.Department of PhysicsIndian Institute of ScienceBangaloreIndia