15 August 1998 Preparation of Fe2O3 nanometer crystalloid material by a high-power laser
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The iron atomic is evaporated directly by means of a big power laser. Blow N2 is the vertical direction of laser, iron atomic steam will move along with the flow. When the steam comes into contact with condenser, it will cooled fast and crystallized. Measure by means of the scanning electron microscope and electron probe microanalysis shows the grain size of particle is 50 nm or so and the particle is Fe2O3.
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Enyang Ren, Enyang Ren, Tieli Chen, Tieli Chen, Yihong Guan, Yihong Guan, Qingzhi Du, Qingzhi Du, Bing Li, Bing Li, Yun Gao, Yun Gao, } "Preparation of Fe2O3 nanometer crystalloid material by a high-power laser", Proc. SPIE 3550, Laser Processing of Materials and Industrial Applications II, (15 August 1998); doi: 10.1117/12.317922; https://doi.org/10.1117/12.317922

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