Magnetic thermal hysteresis due to paramagnetic-antiferromagnetic transition in Fe-24.4Mn-5.9Si-5.1Cr alloy
Source abstract
Abstract
Magnetic thermal hysteresis (MTH) associated with a paramagnetic (PM)-antiferromagnetic (AFM) phase transition was found in an Fe-24.4Mn-5.9Si-5.1Cr shape-memory alloy. Aside from the magnetic field (H), the driving rate (v) can also tune the critical temperature of the magnetic transition and cause an increase in MTH. The magnetic phase diagram obtained is discussed. The equation for MTH was deduced based on the Landau model for a PM-AFM transition that includes H and v dependence, which gives a reasonable account of the experimental results.
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Research context
OpenAlex topics: Magnetic Properties and Applications · Shape Memory Alloy Transformations · Magnetic properties of thin films
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Affiliations
Shanghai Jiao Tong University School of Materials Science and Engineering, , Shanghai 200240, China
References (23)
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