Hokkaido University Collection of Scholarly and Academic Papers >
Graduate School of Engineering / Faculty of Engineering >
Peer-reviewed Journal Articles, etc >
Surface acoustic waves in two-dimensional periodic elastic structures
Title: | Surface acoustic waves in two-dimensional periodic elastic structures |
Authors: | Tanaka, Yukihiro1 Browse this author →KAKEN DB | Tamura, Shin-ichiro Browse this author →KAKEN DB |
Authors(alt): | 田中, 之博1 |
Issue Date: | Sep-1998 |
Publisher: | American Physical Society |
Journal Title: | PHYSICAL REVIEW B |
Volume: | 58 |
Issue: | 12 |
Start Page: | 7958 |
End Page: | 7965 |
Publisher DOI: | 10.1103/PhysRevB.58.7958 |
Abstract: | Acoustic waves localized at the surface of two-dimensional (2D) periodic elastic structures, or 2D phononic crystals, are studied theoretically by taking account of the elastic anisotropy of constituent materials. The surface considered is perpendicular to the axis of a periodic array of cylinders embedded in a background material. The dispersion relations of the surface modes are calculated for circular cylinders of AlAs which form a square lattice in a GaAs matrix. The folding and anisotropy of the surface wave branches, as well as the existence of pseudosurface waves, are found. The stop band distributions of the surface, pseudosurface, and bulk waves are plotted in a form relevant for comparison with ultrasound imaging experiments. |
Rights: | Copyright © 1998 American Physical Society |
Relation: | http://www.aps.org/ |
Type: | article |
URI: | http://hdl.handle.net/2115/5847 |
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
|