MICROSTRUCTURE AND FRACTAL FORMATION OF ANNEALED Ge-Au FILM AND Ge-Au/Au BILAYER FILMS
BA LONG (巴龙)a, ZENG JIAN-LIN (曾建林)a, ZHANG SHU-YUAN (张庶元)b, WU ZI-QIN (吴自勤)ab
a Fundamental Physics Center, University of Science and Technology of China, Hefei 230026, China; b Microstructure Research Laboratory, University of Science and Technology of China, Hefei 230026, China
Abstract The as-deposited and annealed Ge-Au film and Ge-Au/Au bilayer films have been observed by transmission electron microscopy. The bilayer with a composition of Ge-5at%Au film is amorphous, while the Ge-22at%Au film is polycrystalline. Higher concentration of Au raises the structural heterogeneity and instability. Fractals can be observed in the Ge-5at%Au/Au bilayer samples annealed at 60-100℃. The difference of the fractal patterns generated from Ge-Au/An and a-Ge/Au films call be attributed to the higher heterogeneity and instability in Ge-Au/An bilayers.
(Convergent-beam electron diffraction, selected-area electron diffraction, nanodiffraction)
Fund: Project supported by the National Natural Science Foundation of China, and the Foundation for Ph. D.Education of National Education Commission of China.
Cite this article:
BA LONG (巴龙), ZENG JIAN-LIN (曾建林), ZHANG SHU-YUAN (张庶元), WU ZI-QIN (吴自勤) MICROSTRUCTURE AND FRACTAL FORMATION OF ANNEALED Ge-Au FILM AND Ge-Au/Au BILAYER FILMS 1996 Acta Physica Sinica (Overseas Edition) 5 530
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