| γ-Fe Nano-particles from Fe(CO)_5 by CW CO_2 Laser-driven |
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| 摘 要： | γ-Fe nano-particles with size of 20-40 nm were produced by SF6-sensitized CW CO2 laser-induced gaseous pyrolysis of Fe(Co) 5, The γ-Fe stabte in reaction zone at above 910℃ was formed.The rapid quenching prevents from the γ-Fe transforming to α-Fe as rapidly cooling from high temperature to room temperature, The characteristics of the particles were examined at room temperature by TEM. electron diffraction and XRD. It was proved that about 70% of γ-Fe phase in the particles was present. In addition. the lattice constant of the γ-Fe was 0.364 nm in place of 0.360 nm
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| 收稿时间： | 1994-03-28 |
γ-Fe Nano-particles from Fe(CO)_5 by CW CO_2 Laser-driven |
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| Authors: | Xinqing ZHAO Yong LIANG Keshen XIAO Feng ZHENG and Zhuangqi HU |
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| Affiliation: | Xinqing ZHAO,Yong LIANG,Keshen XIAO,Feng ZHENG and Zhuangqi HU (State Key Lab. of RSA,Institute of Metal Research,Academia Sinica,Shenyang,,China)(To whom correspondence should be addressed) |
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| Abstract: | γ-Fe nano-particles with size of 20-40 nm were produced by SF6-sensitized CW CO2 laser-induced gaseous pyrolysis of Fe(Co) 5, The γ-Fe stabte in reaction zone at above 910℃ was formed.The rapid quenching prevents from the γ-Fe transforming to α-Fe as rapidly cooling from high temperature to room temperature, The characteristics of the particles were examined at room temperature by TEM. electron diffraction and XRD. It was proved that about 70% of γ-Fe phase in the particles was present. In addition. the lattice constant of the γ-Fe was 0.364 nm in place of 0.360 nm |
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