Towards a better understanding of relationship between preisach densities and polarization reversals on hysteresis characteristic

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Abstract

This work performed Preisach modeling on hysteresis loops, where the contributions of Preisach density characteristics on hysteresis reversals were investigated. Specifically, the three-dimensional Gaussian-distribution function was used to construct the Preisach densities for extracting the associated hysteresis loops. In particular, the influences of three key Gaussian Preisach density characteristics (i.e., density sharpness, density center, and splitting densities) on hysteresis behavior were examined. It was found that sharper density induces more harmonized domain switching, so polarization derivative is enhanced at the coercivity, while the density center indicates the range of external field at which most switching occurs. Moreover, the splitting of the density was found to represent pinching in hysteresis loops, where material tends to actively respond in two different ranges of external field. Consequently, based on these results, significant hysteresis behavior can be revealed using minimal parameters via appropriate mathematical function; that is, another step enhances the fundamental understanding in the hysteresis topic using the Preisach framework. © 2013 Teerawat Monnor et al.

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Monnor, T., Laosiritaworn, Y., & Yimnirun, R. (2013). Towards a better understanding of relationship between preisach densities and polarization reversals on hysteresis characteristic. Advances in Condensed Matter Physics, 2013. https://doi.org/10.1155/2013/959134

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