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Resonant transmission of acoustic phonons in multisuperlattice structures

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Title: Resonant transmission of acoustic phonons in multisuperlattice structures
Authors: Tamura, Shin-ichiro1 Browse this author →KAKEN DB
Authors(alt): 田村, 信一朗1
Issue Date: 15-May-1991
Publisher: American Physical Society
Journal Title: Physical Review B
Volume: 43
Issue: 5
Start Page: 12646
End Page: 12649
Publisher DOI: 10.1103/PhysRevB.43.12646
Abstract: We study theoretically the resonant transmission of acoustic phonons in multisuperlattice (SL) systems. As a typical structure, the stack ABA of the periodic SL’s A and B is considered. A periodic SL is known to exhibit a strong filtering action on the phonons in the stop bands. Hence, in this multi-SL system, A SL’s act as barriers for phonons in their stop bands (A stop bands). However, we show that those phonons in A stop bands are transmitted very efficiently through this system when they satisfy the resonance condition determined by the structure of the sandwiched B SL. This is analogous to the resonant tunneling of electrons in multiple-quantum-well structures. We demonstrate these results by calculating both the frequency and angular dependences of phonon transmission.
Rights: Copyright © 1991 American Physical Society
Type: article
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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