摘要
根据自平均极限模型推导了在巨磁电阻薄膜中折射系数与自旋非对称因子的关系。用傅立叶变换红外光谱仪组建了磁折射效应测试装置,并测试了自旋阀多层薄膜(Si/PtMn/CoFe/Ru/CoFe/Cu/Co/NiFe)的磁折射效应。结果表明:在红外波段,可以用磁折射效应表征巨磁电阻效应。
The dependence of refractive index on spin asymmetrical coefficient was deduced based on self-averaging limit model in magnetic thin film materials with giant magnetoresistance effects and a measurement system using Fourier transform infrared spectroscopy was constructed to measure magnetorefractive effects （MRE）. The measurement results of spin-valve multilayers Si/PtMn/CoFe/Ru/CoFe/Cu/Co/NiFe showed that MRE can be used to characterize GMR effect of magnetic thin films in infrared region.
出处
《电子科技大学学报》
EI
CAS
CSCD
北大核心
2007年第4期657-659,共3页
Journal of University of Electronic Science and Technology of China
基金
国家自然科学基金资助项目(90306015
60490296
60671029)
教育部科技重点资助项目(105151)
四川省青年学术带头人培养基金资助项目(04ZQ026-003)
关键词
巨磁电阻效应
磁折射效应
磁性材料
自旋电子学
giant magnetoresistance effect
magnetorefractive effect
magnetic materials
spin electronics
