Permanent magnet motors and generators

The present invention provides a high-performance permanent magnets. Comprising: a composition formula: RpFeqMrCutCo100-p-q-r-t (wherein, R is selected from the rare earth element is at least one element, M is selected from the group consisting of Zr, Ti and Hf consisting of at least one element, p is a number satisfying atomic% 10.5≤p≤12.5, q is a number satisfying atomic% 23≤q≤40, r is a number satisfying atomic% 0.88≤r≤4.5, t satisfying 3.5≤ composition number t≤10.7 atomic%) is represented; and a metal structure comprising a metal structure having a unit cell of the crystal phase Th2Zn17 phase, and the Cu concentration is higher than the cell with the Cu rich phase. Ratio of number average diameter 220nm or less in the unit cell phase, numerical range with a minimum diameter to a maximum cell diameter, the diameter of the maximum diameter of the functions within the upper range of values ​​less than 20% of the total crystalline phase unit cell with 20% or less of the cell.