Spin pumping with heavy metals, topological insulators and antiferromagnets

Spin current-based electronics, referred to as spintronics, is the promising technology to replace charge current-based technology. Spintronics-based devices allow for the minimization of the size of the device and faster response. The study of spin current efficiency in different materials is one of the emergent research topics in modern days. Spin pumping and inverse spin Hall effect (ISHE) are popular tools for studying the spin current efficiency in materials. In this regard, high spin-orbit coupling (SOC) materials are very useful for such studies. Heavy metals, topological insulators, and Antiferromagnets are used as high SOC layers in this work.