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Analysis of Elementary Excitations in a Crystal with Point Defects in the Inverse Space

✍ Scribed by B. Čabrić; L. J. Ristovski

Publisher
John Wiley and Sons
Year
1989
Tongue
English
Weight
187 KB
Volume
153
Category
Article
ISSN
0370-1972

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Propagation of bending waves in phononic
Propagation of bending waves in phononic crystal thin plates with a point defect
✍ Zong-Jian Yao; Gui-Lan Yu; Yue-Sheng Wang; Zhi-Fei Shi 📂 Article 📅 2009 🏛 Elsevier Science 🌐 English ⚖ 503 KB

In this paper, the band structures of bending waves in a phononic crystal thin plate with a point defect are studied using an improved plane wave expansion method combined with the supercell technique. In particular, a phononic crystal thin plate composed of an array of circular crystalline Al 2 O 3