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Spherical particles having nanometer size, crystalline structure, and good sphericity and method for producing the same
Spherical particles having nanometer size, crystalline structure, and good sphericity and method for producing the same
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机译:具有纳米尺寸,晶体结构和良好球形度的球形颗粒及其制备方法
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摘要
The present invention provides a method for producing nanometer-size spherical particles. The method includes a first step for producing intermediate spherical particles. The intermediate spherical particles include a polycrystalline or single-crystalline region, having a particle size of 1 to 300 μm. The method of the present invention further includes a second step for producing final spherical particles. The second step uses a swirling plasma gas flow having the central axis thereof, the central axis running through an area between an anode and a cathode of a plasma generator. The intermediate spherical particles are discharged along the axis to subject the intermediate spherical particles to a plasma atmosphere of the area to form the final spherical particles.
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