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Effect of thickness of the Ru under layer on the magnetic recording property of Cr/Ru/PtCo/Ru/PtCo/Ru media

Zhang Ai-Guo Wang Yin-Jun Han Xiu-Feng Zhan Wen-Shan

Effect of thickness of the Ru under layer on the magnetic recording property of Cr/Ru/PtCo/Ru/PtCo/Ru media

Zhang Ai-Guo, Wang Yin-Jun, Han Xiu-Feng, Zhan Wen-Shan
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  • Received Date:  21 June 2004
  • Accepted Date:  08 October 2004
  • Published Online:  19 April 2005

Effect of thickness of the Ru under layer on the magnetic recording property of Cr/Ru/PtCo/Ru/PtCo/Ru media

  • 1. 中国科学院物理研究所磁学国家重点实验室,北京 100080

Abstract: We report the effect of Ru(seed-layer) on the interlayer antiferromagnetic coupling field Hexex, and coercivity Hcc in the Cr/Ru(se ed-layer)/PtCo(thermal stabilizing layer)/Ru(spacer layer)/PtCo(recording layer)/Ru(protective layer) films. Both Hexex and Hcc increase with t he increase o f the thickness of the seed-layer Ru. It arises probably from the appearance of hcp structure in the seed-layer Ru. Hexex and Hcc sh ow a peak value at Ru(seed-layer) layer with a thickness of ~08nm.

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