Paraelectric--ferroelectric interface dynamics induced by latent heat transfer and irreversibility of ferroelectric phase transitions |
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| Authors: | Ai Shu-Tao |
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| Affiliation: | Department of Physics and Institute of Condensed Matter Physics, Linyi Normal University,Linyi 276005, China |
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| Abstract: | The temperature gradients that arise in the paraelectric--ferroelectric
interface dynamics induced by the latent heat transfer are studied from the
point of view that a ferroelectric phase transition is a stationary,
thermal-electric coupled transport process. The local entropy production is
derived for a ferroelectric phase transition system from the Gibbs equation.
Three types of regions in the system are described well by using the Onsager
relations and the principle of minimum entropy production. The
theoretical results coincides with the experimental ones. |
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| Keywords: | ferroelectric phase transition interface dynamics irreversible thermodynamics |
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