Eighth International Conference on Internal Friction and Ultrasonic Attenuation in Solids
J. Phys. Colloques 46 (1985) C10-147-C10-154
DOI: 10.1051/jphyscol:19851034
ULTRASONIC ATTENUATION IN SOLID HELIUM
J. BEAMISHDepartment of Physics, University of Delaware, Newark, Delaware 19716, U.S.A.
Abstract
A great deal of information about the motion of dislocations in solid helium has been obtained from ultrasonic and internal friction measurements. A brief review is given and representative data for 3He are presented, showing dislocation resonance and damping as well as pinning effects.