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Study of thermally assisted magnetic probe recording on perpendicular media

Zhang Li Zu Xiao-Tao

Study of thermally assisted magnetic probe recording on perpendicular media

Zhang Li, Zu Xiao-Tao
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  • Abstract views:  2581
  • PDF Downloads:  860
  • Cited By: 0
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  • Received Date:  04 January 2006
  • Accepted Date:  03 April 2006
  • Published Online:  20 August 2006

Study of thermally assisted magnetic probe recording on perpendicular media

  • 1. 电子科技大学应用物理系,成都 610054

Abstract: This paper demonstrates a technique on heat-assisted magnetic probe recording. The recording medium is a CoNi/Pt multilayered film, suitable for perpendicular recording. Scanning tunneling microscopy(STM) current was introduced to heat the medium locally. Pulse voltages of 2—9V, 500ns in width and 100ns in risetime were used to write marks. Marking was achieved at bias voltages higher than the threshold value 4V in the shape of circular dots with an average size of 170nm. Below the threshold, no marks were observed. A simple model qualitatively explains the experiment.

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