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Wave-front images of acoustic waves in the (100) and (001) surfaces of TeO2

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Title: Wave-front images of acoustic waves in the (100) and (001) surfaces of TeO2
Authors: Tanaka, Yukihiro1 Browse this author →KAKEN DB
Takigahira, Masato Browse this author
Tamura, Shin-ichiro Browse this author →KAKEN DB
Authors(alt): 田中, 之博1
Issue Date: 2002
Publisher: American Physical Society
Volume: 66
Start Page: 075409
Publisher DOI: 10.1103/PhysRevB.66.075409
Abstract: Based on the finite-difference time-domain (FDTD) method, we study theoretically the wave-front images of acoustic waves propagating on the (100) and (001) surface of a highly anisotropic tetragonal TeO2 crystal for which imaging experiments have recently been conducted. The theoretical images well reproduce characteristic features observed experimentally. The group-velocity calculations of both surface and pseudosurface acoustic waves account for the shapes and locations of the major wave fronts obtained with the FDTD method. Additional weak wave-front structures that disappear rather quickly in time are attributed to bulk acoustic waves.
Rights: Copyright © 2002 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: 田中 之博

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