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THE EFFECTS OF Sm ON THE MICROSTRUCTURE AND MAGNETOSTRICTION OF Fe - Co ALLOYS
Toshiyuki Shima,Eiji Aoyagi,Hiroyasu Fujimori 한국자기학회 1995 韓國磁氣學會誌 Vol.5 No.5
We investigated the effects of Sm on the microstructure and magnetic properties of Fe-Co alloy films prepared by a DC triode sputtering. The magnetostriction was found to be changed with the Sm content from positive to negative values, taking a zero magnetostriction was at about 3 at% Sm. The Sm content dependence of magnetostriction was explained by the formation of Sm enriched amorphous phase surrounding the main bcc (Fe, Co) crystalline phase, which was observed by a high resolution transmission electron microscopy.