Abstract
Command over fundamental magnetic properties, such as magnetic anisotropy and Gilbert damping, could lead to a universal magnetic memory with long data retention and ultralow power consumption. The authors study these properties in film heterostructures fabricated on industry-friendly platforms, with subnanometer deposition control. By tweaking the ferromagnet's thickness by one monolayer, a 25% reduction in power consumption is projected for memory devices with the proposed film stack, by virtue of a 50% reduction in the damping parameter. These discoveries have immediate implications for memory applications, and will accelerate their development.
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