Mechanism of the growth of ZnSe nanowires with Fe catalysts |
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| Authors: | Yutaka Ohno Takeo Shirahama Atsushi Ishizumi |
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| Affiliation: | a Department of Physics, Graduate School of Science, Osaka University, 1-1, Machikane-yama, Toyonaka, Osaka 560-0043, Japan
b Graduate School of Materials Science, Nara Institute of Science and Technology, Ikoma, Nara 630-0192, Japan |
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| Abstract: | ZnSe nanowires of high optical quality have been grown with Fe catalysts at the usual temperatures for the fabrication of ZnSe-base optoelectronic devices (about 600 K). It is found that only Fe nanoparticles of 10-50 nm diameter act as catalysts in the narrow temperature range around 600 K (with a minimum temperature of 473-523 K, and a maximum temperature of 623-673 K). The growth mechanism is discussed in terms of the vapour-liquid-solid mechanism. |
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| Keywords: | 61.46.+w 78.67.Lt |
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