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: This grant was concerned with the optimization of both the magnetic properties of new rare earth transition metal permanent magnet phases, and of the film synthesis methods which have been used to synthesize high energy product film magnets and structures. High energy product permanent magnet sputtered films were synthesized onto polycrystalline substrates that either have the easy direction of magnetization in the film plane or perpendicular to the film plane. In-plane magnetized Sm-Co films were synthesized with 16-18 MGOe energy products. Other perpendicular anisotropy tetragonal Nd(Fe,Co,Mo)12N films were made with a room temperature energy product of 46.3 MGOe. The systematics of sputter process control used to grow textured permanent magnet films were elaborated in several publications. A key aspect of this work was the elucidation of surface atom mobility in controlling film texture. In recent studies that are still in progress pulsed laser deposition, PLD, was used to grow high coercivity SmCo based films. Room temperature coercivities up to 11.3 kOe have been achieved for PLD deposited films.

Systematics of Permanent Magnet Film Texturing and the Limits of Film Synthesized 1-12 and 2-17 Iron Based Rare Earth Transition Metal Permanent Systems