COMPUTER-SIMULATION OF THIN-FILM MEDIA NOISE USING AN AUTOCORRELATION FUNCTION ALONG THE TRACK DIRECTION

被引：10

作者：

YOSHIDA, K ^{[1
]}

HARA, M ^{[1
]}

UESAKA, Y ^{[1
]}

NAKATANI, Y ^{[1
]}

HAYASHI, N ^{[1
]}

机构：

[1] UNIV ELECTROCOMMUN,CHOFU,TOKYO 182,JAPAN

来源：

JOURNAL OF APPLIED PHYSICS | 1994年 / 75卷 / 02期

关键词：

D O I：

10.1063/1.356475

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

The causes of thin-film media noise are discussed by deriving a formula which shows a direct relationship between the noise spectrum and the magnetization configuration of a thin-film medium. This formula is derived by Fourier-transforming the autocorrelation function of jM(x)-M(z) along the track direction, where M(x) and M(z) are the longitudinal and vertical components of magnetization, respectively. Noise and signal spectra are computed by means of this formula. The computed noise spectra are the maximum for a relatively long wavelength. Their form and intensity are shown to be strongly affected by the anisotropy constant and the axis orientation of easy magnetization.

引用

页码：1190 / 1200

页数：11

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