| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a production method capable of obtaining magnetic particles having magnetocaloric effect with practicality in the vicinity of room temperature, and also, having excellent corrosion resistance. <P>SOLUTION: A film made of metal having corrosion resistance is formed on the surface of each magnetic particle having a composition expressed by (La-Y)<SB>A</SB>M<SB>B</SB>Si<SB>C</SB>H<SB>D</SB>T<SB>bal</SB>(wherein, M is one or more kinds of metals selected from Ti, Zr and Hf; T includes Fe as an essential element, and also includes one or more kinds of metals selected from Co, Ni and Cr; and 6.0≤A≤7.5atomic%, 0≤B≤5.0atomic%, 8.0≤C≤14.0atomic%, and 3.5≤D≤15.0atomic%) by ion plating. <P>COPYRIGHT: (C)2005,JPO&NCIPI |
