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Structural and magnetoresistance studies of Ni/Co multilayers

机译:Ni / Co多层膜的结构和磁阻研究

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摘要

A study of ferromagnetic/ferromagnetic Ni/Co multilayers grown by DC magnetron sputtering with component layer thicknesses between 40 and 5A is presented. Structural characterization by small-angle x-ray reflectivity reveals high-quality lay-ered structures with a well-defined composition modulation along the film growth direction. Quantitative interpretation of the superlattice structure parameters, in cluding interface roughness and intermixing, has been performed by modelling the x-ray reflectivity data. Measurements of the magnetotransport properties of these multilayers indicate that the magnetoresistance (MR) effect, DELTA rho / rho , which is as high as 3.0
机译:提出了一种通过直流磁控溅射法生长成分层厚度在40至5A之间的铁磁/铁磁Ni / Co多层膜的研究。通过小角度X射线反射率的结构表征揭示了高质量的层状结构,沿着膜的生长方向具有明确的成分调制。通过建模X射线反射率数据,可以对超晶格结构参数进行定量解释,包括界面粗糙度和相互混合。对这些多层的磁输运性能的测量表明,磁阻(MR)效应DELTA rho / rho高达3.0

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