Temperature effect on the bandgaps of surface and bulk acoustic waves in two-dimensional phononic crystals
Resource
IEEE Ultrasonics, Ferroelectrics and Frequency Control 52 (3): 365-370
Journal
IEEE Ultrasonics
Journal Issue
3
Pages
-
Date Issued
2005
Date
2005
Author(s)
Huang, Zi-Gui
Abstract
In this paper, we analyzed the temperature effect on two-dimensional phononic crystals. Bandgap variations of both of the bulk modes and surface modes due to changing of temperature in an air/quartz band structure from 0 to 50 degrees C were calculated and discussed. The results show that the elastic bandgaps can be enlarged or reduced by adjusting the temperature of the band structure. The temperature effects potentially can be used for fine-tuning of the phononic bandgap frequency.
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