Modeling of heat transfer effects in ferroelectric domain switching

Sang Joo Kim

doi:10.1117/12.350071

4 June 1999 Modeling of heat transfer effects in ferroelectric domain switching

Sang Joo Kim

Proceedings Volume 3667, Smart Structures and Materials 1999: Mathematics and Control in Smart Structures; (1999) https://doi.org/10.1117/12.350071
Event: 1999 Symposium on Smart Structures and Materials, 1999, Newport Beach, CA, United States

Abstract

In this paper we study on the effects of heat generated from a moving domain boundary during polarization reversals in ferroelectrics. According to the one-dimensional model of ferroelectrics proposed by Kim (1999), there are two heat sources associated with a moving domain boundary: one is from dissipation mechanism on the domain boundary and the other from the entropy difference between two variants across the domain boundary. In order to investigate the effects of heat generation and transfer during polarization reversals we utilize the finite difference algorithm shown in Kim and Abeyaratne (1995). The results of calculation show that it is possible for the specimen temperature to reach as high temperatures as observed in experiments.

Citation Download Citation

Sang Joo Kim "Modeling of heat transfer effects in ferroelectric domain switching", Proc. SPIE 3667, Smart Structures and Materials 1999: Mathematics and Control in Smart Structures, (4 June 1999); https://doi.org/10.1117/12.350071

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