Applications of nanomagnets as dynamical systems: I

When magnets are fashioned into nanoscale elements, they exhibit a wide variety of phenomena replete with rich physics and the lure of tantalizing applications. In this topical review, we discuss some of these phenomena, especially those that have come to light recently, and highlight their potential applications. We emphasize what drives a phenomenon, what undergirds the dynamics of the system that exhibits the phenomenon, how the dynamics can be manipulated, and what specific features can be harnessed for technological advances. For the sake of balance, we point out both advantages and shortcomings of nanomagnet based devices and systems predicated on the phenomena we discuss. Where possible, we chart out paths for future investigations that can shed new light on an intriguing phenomenon and/or facilitate both traditional and non-traditional applications.

Automated summary

When magnets are miniaturized into nanoscale elements, they exhibit various physics phenomena and potential applications. This review discusses recent discoveries of these phenomena and their applications, highlighting the driving factors, underlying system dynamics, manipulation techniques, and specific features that can be utilized for technological advancements. The advantages and disadvantages of nanomagnet-based devices and systems are also pointed out, along with suggestions for future investigations to explore intriguing phenomena and facilitate traditional and non-traditional applications.