Thermodynamics and kinetics of the initial stages of polarization switching in ferroelectrics |
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| Authors: | S A Kukushkin A V Osipov |
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| Institution: | (1) Institute of Problems in Mechanical Engineering, Russian Academy of Sciences, Vasil’evskii ostrov, Bol’shoi pr. 61, St. Petersburg, 199178, Russia |
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| Abstract: | The thermodynamics and kinetics of polarization switching in ferroelectrics are studied in the specific case of switching in intrinsic ferroelectrics with 180° domains. The initial stage of the switching in the region of weak metastability is analyzed. An expression relating the critical domain size to the switching field is derived. An equation describing the evolution of the size distribution function of the switched domains is obtained. Expressions for calculating the number of polarization switching nuclei as a function of the switching field are derived. |
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