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[Pd / Co]N / FeMn 다층막에서의 교환바이어스 수직자기이방성과 열적안정성
주호완(Ho-Wan Joo),안진희(Jin-Hee An),김보근(Bo-Keun Kim),김선욱(Sun-Wook Kim),이기암(Kee-Am Lee),황도근(Do-Geun Hwang),이상석(Sang-Suk Lee) 한국자기학회 2004 韓國磁氣學會誌 Vol.14 No.4
Magnetic properties and thermal stability by exchange biased perpendicular magnetic anisotropy in [Pd/Co]_N/FeMn multilayer deposited by dc magnetron sputtering system are investigated. We measured the perpendicular magnetization curves of [Pd(0.8 ㎚)/Co(0.8 ㎚)]_5/FeMn multilayer as function of FeMn thickness and annealing temperature. As FeMn thickness increases from 0 to 21 ㎚, the perpendicular exchange bias(Hex) obtained 127 Oe at FeMn thickness 15 ㎚. As the annealing temperature increases to 240℃, the Hex increased from 115 Oe to 190 Oe and disappeared exchange biased perpendicular magnetic anisotropy effect at 330℃.