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JOINED STRUCTURE COMPRISING CUBE- OR QUADRATIC PRISM-SHAPED ROCK SALT-TYPE OXIDE NANOPARTICLE WITH FINE METAL PARTICLE, AND METHOD FOR PRODUCING SAME
JOINED STRUCTURE COMPRISING CUBE- OR QUADRATIC PRISM-SHAPED ROCK SALT-TYPE OXIDE NANOPARTICLE WITH FINE METAL PARTICLE, AND METHOD FOR PRODUCING SAME
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机译:包含细金属颗粒的立方或二次方棱镜形岩石盐型氧化物纳米粒子的连接结构及其制造方法
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摘要
The object is to provide a method of continuous gas-phase generation of a joined structure comprising a cube- or quadratic prism-shaped rock salt-type oxide nanoparticle and a metal nanoparticle, and having high crystallinity. The method is characterized in that alloy nanoparticles composed of a noble metal and a base metal so that a rock salt-type oxide is formable and having a particle size of 1 to 100 nm are generated in an inert gas and brought into contact with a hot oxidizing gas, while the nanoparticles are heated at a high temperature together with the inert gas, to oxidize a base metal component in the alloy nanoparticles floating in the gas, and to simultaneously allow phase separation of the metal component, whereby the joined structure comprising the cube- or quadratic prism-shaped rock salt-type oxide nanoparticle and the metal nanoparticle is obtained.
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