X射线磁性圆二色:MgO衬底铁单晶膜的轨道磁矩和自旋磁矩
被引量:2
摘要
利用X射线磁性圆二色(XMCD)吸收谱研究了在MgO衬底外延的铁单晶薄膜的原子磁矩.根据XMCD吸收谱的加和定则,得到了铁原子的自旋磁矩和轨道磁矩分别是0.069和2.33μB.并与不同铁膜的轨道和自旋磁矩进行了比较,基本上与已发表的实验和理论数据吻合.实验结果表明当铁的轨道磁矩随膜厚的增加而下降,向体样品的轨道磁矩靠近,而自旋磁矩变化不大.
出处
《科学通报》
EI
CAS
CSCD
北大核心
2005年第12期1172-1175,共4页
Chinese Science Bulletin
基金
国家大科学工程国家同步辐射实验室二期工程软X射线磁性圆二色子项目P2C07.
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