Magneto-optic recording properties of amorphous DyFeCo thin films with addition of Nd element

Yongshi Hu; Ping Zhu; Zhong Xu; Gengqi Lin; Zuoyi Lee

doi:10.1117/12.150673

13 August 1993 Magneto-optic recording properties of amorphous DyFeCo thin films with addition of Nd element

Yongshi Hu, Ping Zhu, Zhong Xu, Gengqi Lin, Zuoyi Lee

Proceedings Volume 2053, Optical Storage (ISOS '92); (1993) https://doi.org/10.1117/12.150673
Event: Optical Storage: Third International Symposium, 1992, Kunming, Yunnan Province, China

Abstract

The recording domain sizes of amorphous DyFeCo thin films are compared with those of films with addition of Nd element. It is shown that NdDyFeCo films possess smaller domain sizes than DyFeCo films do under the same recording conditions. These results may be explained by the temperature dependence of coercivity of the thin films. The addition of Nd element to DyFeCo films plays a role of increasing the coercivity of thin films at high temperature, which has influence on the recording domain sizes.

Citation Download Citation

Yongshi Hu, Ping Zhu, Zhong Xu, Gengqi Lin, and Zuoyi Lee "Magneto-optic recording properties of amorphous DyFeCo thin films with addition of Nd element", Proc. SPIE 2053, Optical Storage (ISOS '92), (13 August 1993); https://doi.org/10.1117/12.150673

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