ONE STEP SYNTHESIS METHOD FOR REGULARIZED Fe-Pt ALLOY FINE PARTICLE

PROBLEM TO BE SOLVED: To provide a one step synthesis method which does not require secondary heating treatment at about 400 to 600°C for regularization (inconvenience such as the sintering and enlargement of primarily produced fine particles, and the thermal deformation of a coated base is generate...

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Hauptverfasser:	MINAMI RUMIKO, KATO SHUNSAKU, KITAMOTO JINKO, CHIKADA TSUKASA
Format:	Patent
Sprache:	eng
Schlagworte:	BASIC ELECTRIC ELEMENTS CASTING ELECTRICITY INDUCTANCES MAGNETS MAKING METALLIC POWDER MANUFACTURE OF ARTICLES FROM METALLIC POWDER PERFORMING OPERATIONS POWDER METALLURGY SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES TRANSFORMERS TRANSPORTING WORKING METALLIC POWDER
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Beschreibung
Zusammenfassung:	PROBLEM TO BE SOLVED: To provide a one step synthesis method which does not require secondary heating treatment at about 400 to 600°C for regularization (inconvenience such as the sintering and enlargement of primarily produced fine particles, and the thermal deformation of a coated base is generated at the time of the secondary heating) in the synthesis of regularized Fe-Pt nanoparticles hopefully regarded as a magnetic material for a next-generation recording medium. SOLUTION: The one step synthesis method for regularized Fe-Pt alloy fine particles is characterized in that a mixture of an Fe raw material compound and a Pt raw material compound is irradiated with microwaves in the presence of a reducing solvent absorbing the microwaves, so as to generate heat. COPYRIGHT: (C)2006,JPO&NCIPI