Ultrasound modulation in n-InSb

Presented are experimental results on ultrasound modulation at the frequency of about 10 MHz in n-InSb monocrystal by the variable magnetic field. The measurements are made in the range of stationary magnetic fields H0=1.7-17 kOe at 300 K. The data on dispersion and absorption of ultrasound due to conduction electrons are obtained with the help of a stationary technique of nuclear magnetic resonance. Theoretical interpretation of results is made which has shown that the Alfer-Rubin mechanism makes the main contribution into sound wave dispersion and magnetoresistance effect - into absorption