Magnetization structures of CoCr-alloy perpendicular magnetic recording media
作者： Y. Honda , Y. Hirayama , K. Ito , M. Futamoto
DOI: 10.1016/S0304-8853(97)00579-9
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摘要: Recorded magnetization structures of CoCrPtTa perpendicular media are observed by magnetic-force microscopy (MFM). Quantitative analysis microscopic is carried out through spectrum analyses MFM images. signal intensity dependence on wavelength obtained Fourier transformation. Several peaks in the Fourier-transformed considered to reflect presence irregularities. Average size irregularity decreases with decreasing magnetic layer thickness. The 50% roll-off linear densities measured for 25 and 100 nm thick were 200 270 kFCI, respectively.
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