| 摘要 |
<P>PROBLEM TO BE SOLVED: To prevent sintering generated when FePt based alloy nano particles are subjected to heat treatment. <P>SOLUTION: A magnetic material for a magnetic recording medium wherein 1 to 200 (at.%) element A by atomic percentage of A/(F+M) is contained in an alloy whose component composition is represented by FXM<SB>100-</SB>X, wherein F represents one or two transition metals of Fe and Co; M represents one or two platinum group metals of Pt and Pd; X is in the range of 30≤X≤70 and the element A represents at least one element selected from the group consisting of Si, Al and R (wherein R represents one or two or more rare earth elements including Y). <P>COPYRIGHT: (C)2003,JPO |
