Suvechhya Lamichhane will be presenting her comprehensive exam topic, “Orbital Current Induced Spin-Orbit Torque” in person and via Zoom.

Abstract: Recently, the focus of the scientific community is in studying the dynamics and transport of orbital degree of electrons, which was initially disregarded due to the orbital quenching effect. The demonstration of orbital participating in the transport in non-equilibrium (with the application of electric field) has sparked the new field of research area known as orbitronics. In this report, the mechanism behind the generation and detection of orbital currents is discussed briefly. Comprehensive reviews of recent work showing how orbital currents can enhance Spin-Orbit Torque (SOT), highlighting key experimental and theoretical advancements are presented. The report will also explore potential new directions to increase orbital currents and improve orbital torque efficiency.