Electroacoustic waves confined by a moving domain wall superlattice of a ferroelectric crystal |
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| Authors: | E A Vilkov and S N Maryshev |
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| Institution: | 1.Institute of Radio Engineering and Electronics, Ul’yanovsk Branch,Russian Academy of Sciences,Ul’yanovsk,Russia;2.Moscow Institute of Physics and Technology (State University),Dolgoprudnyi, Moscow oblast,Russia |
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| Abstract: | The dispersion properties of electroacoustic wave modes confined by a superlattice of uniformly moving 180° domain walls in
a tetragonal ferroelectric crystal are considered. It is shown that the manifold of partial electroacoustic interfacial waves
in the lattice is restricted to the first allowed band, the configuration of which in the plane of spectral variables can
significantly vary under the action of the moving domain walls. |
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