Article ID | Journal | Published Year | Pages | File Type |
---|---|---|---|---|
1508117 | Cryogenics | 2009 | 5 Pages |
Abstract
Variation of ultrasonic attenuation and velocities with temperature have been evaluated in the temperature range 5–50 K due to electron–phonon interaction mechanism in transition metals vanadium, niobium and tantalum for longitudinal and shear waves. For this evaluation, we have also computed the second order elastic constants using Morse potential. Behaviour of acoustical phonons in these bcc metals is different from other normal metals, intermetallics, semimetallics and alloys. Some characteristic features of these materials connected to ultrasonic parameters are discussed.
Related Topics
Physical Sciences and Engineering
Materials Science
Electronic, Optical and Magnetic Materials
Authors
Devraj Singh, D.K. Pandey, P.K. Yadawa, Anil Kumar Yadav,