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首页> 外文期刊>IEEE Transactions on Magnetics >Dispersed-oxide seedlayer induced isotropic media
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Dispersed-oxide seedlayer induced isotropic media

机译：分散氧化物种子层诱导的各向同性介质

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摘要

A special Cr target with dispersed-oxide matrix was sputtered as the seedlayer to manufacture an isotropic media with high coercivity and squareness. The dispersed-oxide seedlayer was sputtered on a NiP/Al substrate, then the multilayer films of Cr/CoCrPtTa/C were deposited sequentially by an in-line DC/RF magnetron sputtering system. The orientation ratio (OR) was found to be about one. The media noise and non-linear transition shift (NLTS) of such isotropic media were found much better than those of the oriented media at high recording densities. Magnetic force microscope images (MPM) also showed a clear and sharp bit transition pattern of the isotropic media with dispersed-oxide seedlayer. The film microstructure and crystalline orientation difference between the disks with and without dispersed-oxide seedlayer were examined by using the X-ray diffraction (XRD) and Grazing-incidence X-ray diffraction (GIXRD) techniques.
机译：溅射具有分散氧化物基体的特殊Cr靶作为种子层，以制造具有高矫顽力和矩形性的各向同性介质。将分散的氧化物种子层溅射在NiP / Al衬底上，然后通过在线DC / RF磁控管溅射系统依次沉积Cr / CoCrPtTa / C多层膜。发现取向比（OR）约为1。在高记录密度下，这种各向同性介质的介质噪声和非线性跃迁（NLTS）比定向介质要好得多。磁力显微镜图像（MPM）还显示了具有分散氧化物种子层的各向同性介质的清晰锐利的位过渡模式。通过使用X射线衍射（XRD）和掠入射X射线衍射（GIXRD）技术检查了有和没有分散氧化物籽晶层的圆盘之间的膜微结构和晶体取向差异。

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