Complete phononic bandgaps and bandgap maps in two-dimensional silicon phononic crystal plates

被引：89
|
作者：
Mohammadi, S. [1 ]
Eftekhar, A. A.
Khelif, A.
Moubchir, H.
Westafer, R.
Hunt, W. D.
Adibi, A.
机构：
[1] Georgia Inst Technol, Dept Elect & Comp Engn, Atlanta, GA 30332 USA
[2] UMR 6174, Inst FEMTO ST, F-25044 Besancon, France
来源：
ELECTRONICS LETTERS | 2007年 / 43卷 / 16期
关键词：
D O I：
10.1049/el:20071159
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
It is shown that it is possible to obtain complete planar phononic bandgaps in square and hexagonal (honeycomb) lattice phononic crystals formed by etching a periodic array of circular holes in a thin silicon plate (or membrane). Also, better bandgap properties are obtained using the hexagonal lattice structure; and with practical structure sizes, it is possible-to-obtain a gap-to-midgap ratio of 18-35%.
引用
收藏
页码：898 / 899
页数：2
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