Temperature dependence of the ultrasonic attenuation in indium
Vasil'ev A. N., Gaidukov Yu. P., Popova E. A., Fedotov V. Yu.
A contactless method has been used to study the temperature dependence of the attenuation of transverse ultrasound in indium. There is a clearly defined minimum in the attenuation near the Debye temperature. At high temperatures the attenuation falls off slowly with increasing temperature.