Reflection of electroacoustic waves from a system of moving domain walls in a ferroelectric |
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| Authors: | E A Vilkov |
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| Institution: | 1.Kotel’nikov Institute of Radio Engineering and Electronics, Russian Academy of Sciences, Ul’yanovsk Branch, ul. Goncharova 48, Ul’yanovsk, 432063, Russia
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| Abstract: | The interaction of electroacoustic waves with a periodic domain structure formed in a tetragonal ferroelectric by a finite
number of uniformly moving 180° domain walls is considered in the quasi-static approximation. It is established that the inclusion
of the domain-wall motion leads to a significant modification of the reflectance spectra of electroacoustic waves according
to the number, intensity, and location of the Bragg reflectance peaks. |
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