Magnetization reversal of Fe ultrathin film on Cu(100)  

作　　者：何为 詹清峰 王得勇 陈立军 成昭华 

机构地区：[1]State Key Laboratory of Magnetism and Beijing National Laboratory for Condensed Matter Physics, Institute of Physics, Chinese Academy of Sciences

出　　处：《Chinese Physics B》2008年第5期1902-1906,共5页中国物理B（英文版）

基　　金：supported by the State Key Development Program for Basic Research of China (Grant No 2001CB610605);the National Natural Science Foundation of China (Grant No 10774179)

摘　　要：The magnetization reversal of Fe/Cu（100） ultrathin films grown at room temperature is investigated by using an in situ magneto-optical Kerr effect polarimeter with a magnet that can rotate in a plane of incidence. There occur spin reorientation transitions from out-of-plane to in-plane magnetizations in 8 and 12 monolayers （ML） thick iron films. The coercive fields are observed to be proportional to the reciprocal of the cosine with respect to the easy axis, suggesting that the domain-wall displacement plays a main role in the magnetization reversal process.The magnetization reversal of Fe/Cu（100） ultrathin films grown at room temperature is investigated by using an in situ magneto-optical Kerr effect polarimeter with a magnet that can rotate in a plane of incidence. There occur spin reorientation transitions from out-of-plane to in-plane magnetizations in 8 and 12 monolayers （ML） thick iron films. The coercive fields are observed to be proportional to the reciprocal of the cosine with respect to the easy axis, suggesting that the domain-wall displacement plays a main role in the magnetization reversal process.

关 键 词：molecular beam epitaxy surface magnetism spins reorientation transition Kerr effect 

分 类 号：TB43[一般工业技术]