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Doppler‐Shifted Acoustic Cyclotron Resonance and Ultrasound Velocity in Deformed Tungsten
Author(s) -
Rinkevich A. B.,
Deryagin A. I.
Publication year - 1997
Publication title -
physica status solidi (b)
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.51
H-Index - 109
eISSN - 1521-3951
pISSN - 0370-1972
DOI - 10.1002/1521-3951(199704)200:2<519::aid-pssb519>3.0.co;2-m
Subject(s) - tungsten , doppler effect , materials science , resonance (particle physics) , cyclotron resonance , transverse plane , scattering , ultrasonic sensor , ultrasound , cyclotron , acoustic resonance , cross section (physics) , electron , optics , atomic physics , physics , acoustics , nuclear physics , structural engineering , quantum mechanics , astronomy , engineering , metallurgy
The effect of dislocations on the Doppler‐shifted acoustic cyclotron resonance and the velocity of ultrasound are studied in pure tungsten single crystals. The measurements were made as the ultrasonic frequencies of 40 to 180 MHz with both longitudinal and transverse waves propagating along the [100] axis of the crystal. The relaxation rates and scattering cross‐section of electrons were estimated in deformed samples as well as in undeformed ones. A comparison was carried out between the experimental temperature dependence of the modulus defect and theory.