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231226s2022 xx |||||o 00| ||eng c |
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|a 10.1002/adma.202203558
|2 doi
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|a pubmed24n1154.xml
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|a (DE-627)NLM346394015
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|a (NLM)36122902
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|a DE-627
|b ger
|c DE-627
|e rakwb
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|a eng
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| 100 |
1 |
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|a Lee, Soogil
|e verfasserin
|4 aut
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| 245 |
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|a Spintronic Physical Unclonable Functions Based on Field-Free Spin-Orbit-Torque Switching
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|c 2022
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|a Text
|b txt
|2 rdacontent
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|a ƒaComputermedien
|b c
|2 rdamedia
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|a ƒa Online-Ressource
|b cr
|2 rdacarrier
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|a Date Revised 10.11.2022
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|a published: Print-Electronic
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|a Citation Status PubMed-not-MEDLINE
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|a © 2022 The Authors. Advanced Materials published by Wiley-VCH GmbH.
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|a Physical unclonable function (PUFs) utilize inherent random physical variations of solid-state devices and are a core ingredient of hardware security primitives. PUFs promise more robust information security than that provided by the conventional software-based approaches. While silicon- and memristor-based PUFs are advancing, their reliability and scalability require further improvements. These are currently limited by output fluctuations and associated additional peripherals. Here, highly reliable spintronic PUFs that exploit field-free spin-orbit-torque switching in IrMn/CoFeB/Ta/CoFeB structures are demonstrated. It is shown that the stochastic switching polarity of the perpendicular magnetization of the top CoFeB can be achieved by manipulating the exchange bias directions of the bottom IrMn/CoFeB. This serves as an entropy source for the spintronic PUF, which is characterized by high entropy, uniqueness, reconfigurability, and digital output. Furthermore, the device ensures a zero bit-error-rate under repetitive operations and robustness against external magnetic fields, and offers scalable and energy-efficient device implementations
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|a Journal Article
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|a exchange bias
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|a field-free switching
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|a hardware security primitives
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|a physical unclonable functions
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|a spin-orbit torque
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|a Kang, Jaimin
|e verfasserin
|4 aut
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|a Kim, Jeong-Mok
|e verfasserin
|4 aut
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|a Kim, Namhee
|e verfasserin
|4 aut
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|a Han, Donghyeon
|e verfasserin
|4 aut
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1 |
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|a Lee, Taekhyeon
|e verfasserin
|4 aut
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|a Ko, San
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|4 aut
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|a Yang, Jiseok
|e verfasserin
|4 aut
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|a Lee, Sanghwa
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|4 aut
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|a Lee, Sungjun
|e verfasserin
|4 aut
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|a Koh, Daekyu
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|4 aut
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|a Kang, Min-Gu
|e verfasserin
|4 aut
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|a Lee, Jisung
|e verfasserin
|4 aut
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|a Noh, Sujung
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|4 aut
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|a Lee, Hansaem
|e verfasserin
|4 aut
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|a Kwon, JoonHyun
|e verfasserin
|4 aut
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|a Baek, Seung-Heon Chris
|e verfasserin
|4 aut
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|a Kim, Kab-Jin
|e verfasserin
|4 aut
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|a Park, Byong-Guk
|e verfasserin
|4 aut
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| 773 |
0 |
8 |
|i Enthalten in
|t Advanced materials (Deerfield Beach, Fla.)
|d 1998
|g 34(2022), 45 vom: 10. Nov., Seite e2203558
|w (DE-627)NLM098206397
|x 1521-4095
|7 nnns
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| 773 |
1 |
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|g volume:34
|g year:2022
|g number:45
|g day:10
|g month:11
|g pages:e2203558
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| 856 |
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|u http://dx.doi.org/10.1002/adma.202203558
|3 Volltext
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|d 34
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