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	Reflection and transmission of plane waves at the interface of pyroelectric bi-materials
	Zhou, Zhi-Dong ; Zhou ZD(周志东) ; Yang, Feng-Peng ; Kuang, Zhen-Bang
	2012-07-16
关键词	GENERALIZED DYNAMICAL THEORY VARIATIONAL-PRINCIPLES MEDIA REFRACTION SOLIDS
英文摘要	A simple reflection and transmission theory of plane waves at the interface of pyroelectric media is studied in this paper. In an infinite homogeneous pyroelectric medium, there are four bulk wave modes: quasi-longitudinal (QL), two quasi-transversal (QT) and one temperature (T) waves, whose velocities depend on the frequency and incident angle. Simultaneously, a quasi-surface (QS) wave on each side of the interface of pyroelectric bimaterials will appear in the general reflection and transmission problem. The quasi-surface wave has the same wave vector component with the incident waves along the interface plane. So, the reflection and transmission problem is different with the propagation wave in the infinite homogeneous space, but it is still solvable. In the reflection and transmission problem, there are ten complex continuous conditions on the interface, which are satisfied by the bulk and quasi-surface waves together. Numerical calculations are performed for bimaterial PZT-6B/BaTiO3. Incidences of the quasi-longitudinal and quasi-transversal waves from the side of PZT-6B or BaTiO3 medium are discussed. The reflection and transmission amplitude coefficients and energy flow ratios varying with the incident angle are examined. (C) 2012 Elsevier Ltd. All rights reserved.; National Natural Science Foundation of China [10802070, 10972188, 11172252]; Natural Science Foundation of Fujian Province of China [2011J01329]; Fundamental Research Funds for the Central Universities [2011121002]; Scientific and Technological Innovation Platform of Fujian Province [2006L2003]
语种	英语
出版者	ACADEMIC PRESS LTD- ELSEVIER SCIENCE LTD
内容类型	期刊论文
源URL	[http://dx.doi.org/10.1016/j.jsv.2012.03.025]
专题	材料学院－已发表论文
推荐引用方式 GB/T 7714	Zhou, Zhi-Dong,Zhou ZD,Yang, Feng-Peng,et al. Reflection and transmission of plane waves at the interface of pyroelectric bi-materials[J],2012.
APA	Zhou, Zhi-Dong,周志东,Yang, Feng-Peng,&Kuang, Zhen-Bang.(2012).Reflection and transmission of plane waves at the interface of pyroelectric bi-materials..
MLA	Zhou, Zhi-Dong,et al."Reflection and transmission of plane waves at the interface of pyroelectric bi-materials".(2012).

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