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.
Received: 31 January 2006
Revised: 28 February 2006
Accepted manuscript online:
Fund: Project supported by the Research Foundation Program (Grant No YJB03004) and the Key Construction Program of LinyiNormal University.
Cite this article:
Ai Shu-Tao (艾树涛) Paraelectric--ferroelectric interface dynamics induced by latent heat transfer and irreversibility of ferroelectric phase transitions 2006 Chinese Physics 15 1364
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