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Temperature effects on the defect states are investigated in two models, constructed by changing the temperature of the central rod and rotating it 45 degrees as well as changing the temperature of the central rod respectively. The results show that the defect modes will fall in the band gap when the surrounding temperature of phononic crystal is higher than the Curie temperature (Tc) and the temperature...
Effects of defect location on the defect frequency and the localization of phonons are investigated in two novel kinds of model, created by moving the location of the native cylinder and inserting an ad-cylinder in the central cellular respectively. The results show that the defect frequency in Model 1 is only related to the distance, while in Model 2, is related not only to the distance, but also...
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