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28 September 2023 3D magnetic nanowire networks for neuromorphic computing
Dhritiman Bhattacharya, Zhijie Chen, Erin Marlowe, Christopher Jensen, James Malloy, Chen Liu, Thomas Hulse, Edward Burks, Xixiang Zhang, Dustin Gilbert, Gen Yin, Kai Liu
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Proceedings Volume PC12656, Spintronics XVI; PC126560L (2023) https://doi.org/10.1117/12.2677819
Event: SPIE Nanoscience + Engineering, 2023, San Diego, California, United States
Abstract
A critical challenge towards integrating 3-dimensional (3D) magnetic nanostructures into neuromorphic circuitry is stabilizing different magnetic states that are controllable via external stimuli. Here, we demonstrate quasi-ordered and random interconnected magnetic nanowire networks as potential candidates. In these networks, step-by-step magnetization reversal mediated by domain wall (DW) pinning / depinning at the network intersections is observed. The pinning/depinning of the DWs can be further controlled by the driving current density. These properties are amenable to implement neuromorphic computing elements such as artificial synapses.
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Dhritiman Bhattacharya, Zhijie Chen, Erin Marlowe, Christopher Jensen, James Malloy, Chen Liu, Thomas Hulse, Edward Burks, Xixiang Zhang, Dustin Gilbert, Gen Yin, and Kai Liu "3D magnetic nanowire networks for neuromorphic computing", Proc. SPIE PC12656, Spintronics XVI, PC126560L (28 September 2023); https://doi.org/10.1117/12.2677819
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KEYWORDS
Magnetism
Nanowires
Electrodes
Holography
Integrated circuits
Magnetometry
Nanostructures
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