Mössbauer effect studies of Nd2Fe14B and related melt-spun permanent magnet alloys

Abstract
We report for the first time the 57Fe Mössbauer spectrum of the ternary phase Nd2Fe14B, a technologically important new compound which forms the basis for a new class of high performance light rare earth‐iron permanent magnet materials. From single phase powders we deduce the hyperfine parameters of the iron sublattices in the Nd2Fe14B structure. Spectra of high‐energy product ribbons obtained by a rapid quench process confirm that these permanent magnet materials are comprised predominantly of the Nd2Fe14B phase.