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4 October 2022 Energy efficient computing devices with voltage control of nanoscale magnetism (Conference Presentation)
Jayasimha Atulasimha
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Proceedings Volume PC12205, Spintronics XV; PC122050X (2022) https://doi.org/10.1117/12.2633757
Event: SPIE Nanoscience + Engineering, 2022, San Diego, California, United States
Abstract
Electrical field control of magnetization in nanoscale magnets has the potential to be extremely energy efficient. We will discuss voltage-induced strain and acoustic wave switching of the magnetization as well as direct voltage control of magnetic anisotropy (VCMA) to control magnetic skyrmion states in nanomagnets with confined geometry. We will then discuss various voltage-controlled nanoscale magnetic device proposals towards implementation of energy efficient, memory, deep neural networks whose synaptic weights can be reprogrammed online and reservoir computing devices that are amenable to online training. This could be a key enabling technology for edge computing in IOT devices.
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Jayasimha Atulasimha "Energy efficient computing devices with voltage control of nanoscale magnetism (Conference Presentation)", Proc. SPIE PC12205, Spintronics XV, PC122050X (4 October 2022); https://doi.org/10.1117/12.2633757
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KEYWORDS
Magnetism
Control systems
Switching
Acoustics
Anisotropy
CMOS devices
Neural networks
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