2010
DOI: 10.1103/physrevb.82.014302
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Velocity dispersion of plate acoustic waves in a multidomain phononic superlattice

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Cited by 7 publications
(10 citation statements)
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“…For example, the mesh used for FEM numerical calculations of a domain structure with d ¼ 0.3 mm, as those in the sample ZX-LN-MD1B (further MD1B), consists of 1501 Â 21 points. 25,26 The variables including the acoustic displacements and electric field are approximated by the linear functions. The numerical model calculates the amplitude of acoustical displacements for the set of frequencies f j at nodes x m along the x axis.…”
Section: Split Mode In a Periodically Poled Ferroelectric Wafermentioning
confidence: 99%
See 2 more Smart Citations
“…For example, the mesh used for FEM numerical calculations of a domain structure with d ¼ 0.3 mm, as those in the sample ZX-LN-MD1B (further MD1B), consists of 1501 Â 21 points. 25,26 The variables including the acoustic displacements and electric field are approximated by the linear functions. The numerical model calculates the amplitude of acoustical displacements for the set of frequencies f j at nodes x m along the x axis.…”
Section: Split Mode In a Periodically Poled Ferroelectric Wafermentioning
confidence: 99%
“…In previous works, 25,26 an existence of the acoustic stop-bands were shown for different plate waves in PPLN, and here a new problem on transduction is solved. Specifically, the transducer is fabricated in a non-metallized lithium niobate wafer and excited by a voltage applied along a transducer length, as shown in Fig.…”
Section: Introductionmentioning
confidence: 97%
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“…The speeds of regular acoustic modes in LiNbO 3 are altered in the presence of inversely poled ferroelectric domains [12] despite the uniform acoustic properties along a specimen. Consequently, the distortions in the dispersion curves of acoustic waves in a ferroelectric with internal microdomains may be a physical cause of a non-exponential echo train.…”
mentioning
confidence: 99%
“…On the other hand, not only plates made of conventional isotropic or anisotropic solids have been subject of research, but also piezoelectric [124] and ferroelectric [125] materials including temperature variation issues of the latter [126].…”
Section: Full Elasto-acoustic Theorymentioning
confidence: 99%