Reconfigurable Physical Unclonable Function Based on Spin-Orbit Torque Induced Chiral Domain Wall Motion

A reliable design of physical unclonable function (PUF) based on spin-orbit torque (SOT) induced domain wall (DW) motion has been proposed and experimentally demonstrated. Magnetic DWs are nucleated and propagate in Ta/CoFeB/MgO heterostructures in which their device-to-device variation enables the...

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Veröffentlicht in:	IEEE electron device letters 2021-04, Vol.42 (4), p.597-600
Hauptverfasser:	Cao, Zhen, Zhang, Shuai, Zhang, Jian, Xu, Nuo, Li, Ruofan, Guo, Zhe, Yun, Jijun, Song, Min, Zou, Qiming, Xi, Li, Lee, Oukjae, Yang, Xiaofei, Zou, Xuecheng, Hong, Jeongmin, You, Long
Format:	Artikel
Sprache:	eng
Schlagworte:	CMOS Domain walls DW motion Heterostructures Magnetic devices Magnetic domain walls Magnetic domains Magnetization Physical unclonable function Programming PUF Reconfiguration Saturation magnetization security SOT Torque
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