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METHOD FOR PRODUCING FERROMAGNETIC NANOPARTICLE, FERROMAGNETIC NANOPARTICLE PRODUCED THEREBY, AND MAGNETIC RECORDING MEDIUM COMPRISING THE SAME
METHOD FOR PRODUCING FERROMAGNETIC NANOPARTICLE, FERROMAGNETIC NANOPARTICLE PRODUCED THEREBY, AND MAGNETIC RECORDING MEDIUM COMPRISING THE SAME
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机译:制备铁磁纳米粒子的方法,由此产生的铁磁纳米粒子以及包括该铁磁纳米粒子的磁记录介质
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摘要
PROBLEM TO BE SOLVED: To provide a method for producing ferromagnetic nanoparticles, to provide ferromagnetic nanoparticles produced thereby, to provide a magnetic recording medium comprising the same, particularly, to provide a method for producing ferromagnetic nanoparticles by a new laser heating means, to provide ferromagnetic nanoparticles produced thereby, and further to provide a magnetic recording medium comprising the same.;SOLUTION: The invention is a method for producing a ferromagnetic ordered alloy nanoparticles characterized in that a dispersed liquid comprising alloy nanoparticles capable of forming a CuAu type or Cu3Au type ferromagnetic ordered alloy phase is passed through a slit gap, and laser light is linearly emitted along the longitudinal direction of the slit, thus the alloy nanoparticles comprised in the dispersed liquid are subjected to heating treatment, so as to make the alloy nanoparticles into ordered crystals. The alloy nanoparticles are produced thereby. The magnetic recording medium uses the same.;COPYRIGHT: (C)2007,JPO&INPIT
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