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

S. Mohammadi; A. A. Eftekhar; A. Khelif; H. Moubchir; R. Westafer; W. D. Hunt; A. Adibi

doi:10.1049/el:20071159

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

S. Mohammadi^*, A. A. Eftekhar, A. Khelif, H. Moubchir, R. Westafer, W. D. Hunt, A. Adibi

^*Corresponding author for this work

Research output: Contribution to journal › Article › peer-review

110 Citations (Scopus)

Abstract

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.

Original language	English
Pages (from-to)	898-899
Number of pages	2
Journal	Electronics Letters
Volume	43
Issue number	16
DOIs	https://doi.org/10.1049/el:20071159
Publication status	Published - 2007
Externally published	Yes

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abstract = "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.",

author = "S. Mohammadi and Eftekhar, {A. A.} and A. Khelif and H. Moubchir and R. Westafer and Hunt, {W. D.} and A. Adibi",

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AU - Mohammadi, S.

AU - Eftekhar, A. A.

AU - Khelif, A.

AU - Moubchir, H.

AU - Westafer, R.

AU - Hunt, W. D.

AU - Adibi, A.

PY - 2007

Y1 - 2007

N2 - 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.

AB - 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.

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U2 - 10.1049/el:20071159

DO - 10.1049/el:20071159

M3 - Article

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VL - 43

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JO - Electronics Letters

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

Abstract

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