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Isotope scattering of phonons in superlattices

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Title: Isotope scattering of phonons in superlattices
Authors: Tamura, Shin-ichiro1 Browse this author →KAKEN DB
Authors(alt): 田村, 信一朗1
Issue Date: 15-Nov-1997
Publisher: American Physical Society
Journal Title: Physical Review B
Volume: 56
Issue: 19
Start Page: 12440
End Page: 12445
Publisher DOI: 10.1103/PhysRevB.56.12440
Abstract: The elastic scattering rate of acoustic phonons in periodic superlattices due to isotopic atoms is calculated in the isotropic, continuum approximation. Unlike the case in bulk solids, the scattering rate depends on both the propagation direction and mode of phonons. Numerical examples are given for AlAs/GaAs and Al/W superlattices for propagation along the normal to the layer interfaces. We find that the scattering of longitudinal phonons is much weaker than that of transverse phonons for wide ranges of frequencies.
Rights: Copyright © 1997 American Physical Society
Type: article (author version)
Appears in Collections:工学院・工学研究院 (Graduate School of Engineering / Faculty of Engineering) > 雑誌発表論文等 (Peer-reviewed Journal Articles, etc)

Submitter: 田村 信一朗

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