Study on crystallization of TbFeCo films

Huibin Qin; Minchun Li

doi:10.1117/12.150674

13 August 1993 Study on crystallization of TbFeCo films

Huibin Qin, Minchun Li

Proceedings Volume 2053, Optical Storage (ISOS '92); (1993) https://doi.org/10.1117/12.150674
Event: Optical Storage: Third International Symposium, 1992, Kunming, Yunnan Province, China

Abstract

The laser-induced crystallization and annealing-induced crystallization of amorphous TbFeCo magneto-optical films have been investigated by TEM. The film was prepared by FTMS system. It was found that the crystallization occurred when a powerful laser irradiated the medium. The size was related to the irradiating power and time. The area took the shape of circularity. The electron diffraction pattern showed that there was a clear boundary between the amorphous and the crystallized regions. On the other hand, under annealing the crystallization started at 300 degree(s)C. The HREM of the film annealed at 400 degree(s)C showed the crystallization occurred at different areas simultaneously. There was no clear boundary between the amorphous and the crystallized areas. The lattice image of the film indicated that there was not any compositional modulation in the film.

Citation Download Citation

Huibin Qin and Minchun Li "Study on crystallization of TbFeCo films", Proc. SPIE 2053, Optical Storage (ISOS '92), (13 August 1993); https://doi.org/10.1117/12.150674

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