Influence of Plastic Deformation on Magnetic Interaction in FePt_3 Alloy

概要

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It was found that in the long range ordered FePt. alloy, whiqh showed noferromagnetism before plastic deformation, the application of cold work causedit to become quite strongly ferromagnetic. The mechanism of transition fromantiferromagnetic to ferromagnetic coupling by plastic deformation has beenelucidated in terms of dislocation theory with consideration of ferromagneticand antiferromagnetic Fe-Fe interactions. It has been proposed that the Fe atomsat the Pi-sites, being ferromagnetically coupled, is proportional to the dislocationdensity at the early stage of plastic deformation and its square root at the advancedstage.
社団法人日本物理学会の論文
1983-08-15