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HomeAdvanced Materials ResearchAdvanced Materials Research Vols. 652-654Transmission Properties in 2D Phononic Crystal...

Transmission Properties in 2D Phononic Crystal Thin Plate with Linear Defect

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Abstract:

The band gap of 2D perfect phononic crystal thin plate was investigated by plane-wave expansion (PWE), which is consist of copper embedded in the organic glass with a square arrangement. The band gap of straight linear defect, branching linear defect, and symmetrical linear defect are calculated by supercell plane wave method respectively. It is found that the bandwidth of defect structure will become narrow. Especially there is little band gap appearing for straight linear defect. As the filling fraction varied, the band gap width and the band gap number changed.

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Advances in Materials and Materials Processing

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Periodical:

Advanced Materials Research (Volumes 652-654)

Pages:

1383-1387

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.652-654.1383

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Online since:

January 2013

Authors:

Guang Hui Fan, De Xun Zhao, Jiao He, Ying Kai Liu

Keywords:

Band Gap Number, Bandwidth, Defect State, Phononic Crystal Thin Plate

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© 2013 Trans Tech Publications Ltd. All Rights Reserved

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