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Proceedings Paper

Study on crystallization of TbFeCo films
Author(s): Huibin Qin; Minchun Li
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Paper 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.

Paper Details

Date Published: 13 August 1993
PDF: 4 pages
Proc. SPIE 2053, Optical Storage (ISOS '92), (13 August 1993); doi: 10.1117/12.150674
Show Author Affiliations
Huibin Qin, Univ. of Electronic Science and Technology (China)
Minchun Li, Univ. of Electronic Science and Technology of China (China)


Published in SPIE Proceedings Vol. 2053:
Optical Storage (ISOS '92)

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