功能材料
功能材料
공능재료
JOURNAL OF FUNCTIONAL MATERIALS
2010年
1期
23-25
,共3页
代波%雷勇%邵晓萍%倪经
代波%雷勇%邵曉萍%倪經
대파%뢰용%소효평%예경
交换偏置%钉扎场%反铁磁
交換偏置%釘扎場%反鐵磁
교환편치%정찰장%반철자
exchange bias%pinning field%antiferromagnetic
采用直流磁控溅射的方法制备了CoFe/Pt-CrMn交换偏置体系,反铁磁的Pt-CrMn是利用[Pt/CrMn]_n多层膜并经过300℃、2h的退火获得.通过调整Mn的成分,系统地研究了体系交换偏置场的变化.获得了钉扎性能良好的L10相反铁磁钉扎材料Pt-CrMn,即CoFe/Pt_(50)(Cr_(88)Mn_(12))_(50)钉扎体系,其界面交换耦合能为0.22×10~(-7)J/cm~2,截止温度(blocking temperature)为480℃.
採用直流磁控濺射的方法製備瞭CoFe/Pt-CrMn交換偏置體繫,反鐵磁的Pt-CrMn是利用[Pt/CrMn]_n多層膜併經過300℃、2h的退火穫得.通過調整Mn的成分,繫統地研究瞭體繫交換偏置場的變化.穫得瞭釘扎性能良好的L10相反鐵磁釘扎材料Pt-CrMn,即CoFe/Pt_(50)(Cr_(88)Mn_(12))_(50)釘扎體繫,其界麵交換耦閤能為0.22×10~(-7)J/cm~2,截止溫度(blocking temperature)為480℃.
채용직류자공천사적방법제비료CoFe/Pt-CrMn교환편치체계,반철자적Pt-CrMn시이용[Pt/CrMn]_n다층막병경과300℃、2h적퇴화획득.통과조정Mn적성분,계통지연구료체계교환편치장적변화.획득료정찰성능량호적L10상반철자정찰재료Pt-CrMn,즉CoFe/Pt_(50)(Cr_(88)Mn_(12))_(50)정찰체계,기계면교환우합능위0.22×10~(-7)J/cm~2,절지온도(blocking temperature)위480℃.
CoFe/Pt-CrMn exchange biased system was prepared by magnetron sputtering.The Mn content dependence of the pinning field was systematically studied.Have got the good performance of L10 phase Pt-CrMn,that is the CoFe/Pt_(50)(Cr_(88)Mn_(12))_(50),in which the interfacial exchange energy is 0.22×10~(-7)J/cm~2 and the Blocking temperature is 480℃.
