Apparatus for statically testing the properties of magnetic coupling and hybrid recording thin films

Ming Fang; Xianying Wang; Jingsong Wei; Qinghui Li; Defang Shen; Fuxi Gan

doi:10.1117/12.649616

15 September 2005 Apparatus for statically testing the properties of magnetic coupling and hybrid recording thin films

Ming Fang, Xianying Wang, Jingsong Wei, Qinghui Li, Defang Shen, Fuxi Gan

Proceedings Volume 5966, Seventh International Symposium on Optical Storage (ISOS 2005); 59660K (2005) https://doi.org/10.1117/12.649616
Event: Seventh International Symposium on Optical Storage (ISOS 2005), 2005, Zhanjiang, China

Abstract

We designed and built up an apparatus for measuring the properties of magnetic coupling thin films and hybrid recording media. The temperature of the tested points of the thin film samples change as irradiated by focused laser beam through adjusting laser power. By calculation, we also simulated the distribution of temperature in TbFeCo magneto-optical films irradiated by laser, in order to get the relationship between the film coercive force and the irradiating laser power. Using this apparatus, we can determine the Curie temperature and compensation temperature of the films. The apparatus might present an effective approach for studying the variation of magneto-optical characteristics of films at different temperatures and the properties of magnetic coupling multilayer films, and it could be useful for studying hybrid recording.

Citation Download Citation

Ming Fang, Xianying Wang, Jingsong Wei, Qinghui Li, Defang Shen, and Fuxi Gan "Apparatus for statically testing the properties of magnetic coupling and hybrid recording thin films", Proc. SPIE 5966, Seventh International Symposium on Optical Storage (ISOS 2005), 59660K (15 September 2005); https://doi.org/10.1117/12.649616

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