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Self-Similarity in Magnetocaloric Metamagnets with First-Order Ferro-to-Paramagnetic Phase Transition

Posted on:2014-11-16Degree:Ph.DType:Dissertation
University:The George Washington UniversityCandidate:Jin, YiFull Text:PDF
GTID:1450390008950852Subject:Physics
Abstract/Summary:
The motivation of this dissertation is to gain a better understanding of the underlying principle behind the behavior of the magnetocaloric metamagnets by tying together the mixed-state phenomenon with the self-similarity phenomenon to describe the metamagnetic behavior. This description will extend the self-similarity phenomenon to first-order magnetocaloric materials and opens the possibilities of incorporating new insights into: i) analytical characterization of the mixed-phase within magnetocaloric materials, ii) modeling of metamagnetism in first-order magnetocaloric material, iii) model for testing first-order magnetocaloric refrigerants without extensive data set.
Keywords/Search Tags:Magnetocaloric, First-order, Self-similarity
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