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Volume 21 Issue 1
Sep.  2013
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Study of a testing system for magneto optical materials with large Kerr rotation

  • Received Date: 1995-10-06
    Accepted Date: 1996-04-20
  • In magneto optical (M-O) storage system,the read/write characteristics of the recording media,(M-O) material film,has direct effects on the performance of M-O storage system,such as SNR,quality of readout signals,direct erase/rewrite processing,etc.As a result,developing new M-O materials with good read/write characteristics could improve the performance of M-O storage system.In this paper,a system for testing read/write characteristics of M-O materials is presented.Static read/write tests have been applied to the new M-O materials,MnBiAl,which has large Kerr rotation.The experimental results give useful data for the improvement of read/write characteristics and the study of the practicality of this new M-O materials.
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    Iwanaga T,Sugaya S,Inada H et al.Appl Opt,1986;27(4):717~722
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    LaBudde E V,Hazal R L.SPIE,1985;529:176~179
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    Boyes B A.SPIE,1985;529:169~175
    [4] 林福宗,电子计算机外部设备,1988;(2):58~64

    [5] 干福熹.数字光盘和光存储材料,上海:上海科技出版社,1992

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    Meiklejohn W H,Proc IEEE,1986;74;1570~1581
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    Inoue F,Meada A,Itoh A et al.IEEE Trans.Magnetics,1985;M A G-21(5):1629~1631.
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    沈阳化工大学材料科学与工程学院 沈阳 110142

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Study of a testing system for magneto optical materials with large Kerr rotation

  • 1. Microengineering Institute, Tsinghua University, Beijing, 100084

Abstract: In magneto optical (M-O) storage system,the read/write characteristics of the recording media,(M-O) material film,has direct effects on the performance of M-O storage system,such as SNR,quality of readout signals,direct erase/rewrite processing,etc.As a result,developing new M-O materials with good read/write characteristics could improve the performance of M-O storage system.In this paper,a system for testing read/write characteristics of M-O materials is presented.Static read/write tests have been applied to the new M-O materials,MnBiAl,which has large Kerr rotation.The experimental results give useful data for the improvement of read/write characteristics and the study of the practicality of this new M-O materials.

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