Efficient control of 2D magnets

Cheng Gong

doi:10.1117/12.3028419

4 October 2024 Efficient control of 2D magnets

Cheng Gong

Proceedings Volume PC13119, Spintronics XVII; PC131191S (2024) https://doi.org/10.1117/12.3028419
Event: Nanoscience + Engineering, 2024, San Diego, California, United States

Abstract

The emergent two-dimensional (2D) layered magnets provide ideal platforms to enable the atomically thin magneto-optical and magnetoelectric devices. Though many have envisioned that 2D magnets should allow efficient control of magnetism by a variety of external stimuli, true breakthroughs are still lacking, with limited proof-of-concept demonstrations reported thus far. There appear to be fundamental obstacles for efficient control, e.g., through electrical and optical means. In this talk I will analyze the challenges and present our theoretical and experimental progress on efficient electrical and optical control of 2D magnets. Specifically, the results show that the voltage of a few volts can effectively change the magnetic anisotropy of 2D magnets and the laser shinning of tens of uW/um^2 can effectively affect the domain behaviors of 2D magnets. These efficient controls of 2D magnets potentially open up new avenues towards low-power spintronics and photonics.

Conference Presentation

Citation Download Citation

Cheng Gong "Efficient control of 2D magnets", Proc. SPIE PC13119, Spintronics XVII, PC131191S (4 October 2024); https://doi.org/10.1117/12.3028419

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