The magnetic material for magnetic recording medium

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PROBLEM TO BE SOLVED : To prevent sintering generated when FePt based alloy nano particles are subjected to heat treatment. 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 FXM100-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). COPYRIGHT : (C)2003, JPO