Final Report for Grant of Properties of Magnetic Multilayer and Microstructures

摘要

This report describes research done on the basic physics of magnetic multilayers and microstructures. Among the problems studied were 1) Exchange Bias and Coercive Fields in Ferromagnet/Antiferromagnet Structures we examined how these parameters depended on temperature and on surface roughness 2) Microwave Response of Microstructures Filters and Phase Shifters. Here we looked at exchange-spring systems, mictrostrip and coplanar notch filters and phase shifters using metallic ferromagnets. 3) Damping Mechanisms in Ferromagnets we developed a two-magnon scattering theory for damping which pays special attention to surface roughness. 4) Static and Dynamic Behavior of Dot Arrays - we showed that the hysteresis curves could be substantially modified by the lattice structure of a magnetic dot array.