Physically Unclonable Functions With Voltage-Controlled Magnetic Tunnel Junctions
We demonstrated for the first time physically unclonable functions (PUFs) based on voltage-controlled magnetic tunnel junctions (VC-MTJs). The proposed PUF completely extracts the intrinsic variation of magnetization switching in the VC-MTJ as a random bit string without a short pulse, which is requ...
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| Veröffentlicht in: | IEEE transactions on magnetics 2021-02, Vol.57 (2), p.1-6 |
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| container_title | IEEE transactions on magnetics |
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| creator | Tanaka, Yuji Goto, Minori Shukla, Amit Kumar Yoshikawa, Kohei Nomura, Hikaru Miwa, Shinji Tomishima, Shigeki Suzuki, Yoshishige |
| description | We demonstrated for the first time physically unclonable functions (PUFs) based on voltage-controlled magnetic tunnel junctions (VC-MTJs). The proposed PUF completely extracts the intrinsic variation of magnetization switching in the VC-MTJ as a random bit string without a short pulse, which is required in the spin-transfer torque (STT) MTJ and spin-orbit torque (SOT) MTJ-based PUF. Moreover, it can be initialized by a bias voltage without an external magnetic field. Using 40 MTJs fabricated in the same design, we evaluated the PUF fundamental parameters: uniqueness, reliability, and uniformity as 57.5%, 87.1%, and 45.0%, respectively. |
| doi_str_mv | 10.1109/TMAG.2020.3042715 |
| format | Article |
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The proposed PUF completely extracts the intrinsic variation of magnetization switching in the VC-MTJ as a random bit string without a short pulse, which is required in the spin-transfer torque (STT) MTJ and spin-orbit torque (SOT) MTJ-based PUF. Moreover, it can be initialized by a bias voltage without an external magnetic field. 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(IEEE) 2021</rights><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c293t-389e5eb4393002a232aed04b4ddaad464e208aec6735afec9fd5d57ac54d0c2b3</citedby><cites>FETCH-LOGICAL-c293t-389e5eb4393002a232aed04b4ddaad464e208aec6735afec9fd5d57ac54d0c2b3</cites><orcidid>0000-0001-9423-8594 ; 0000-0003-1354-6283 ; 0000-0002-4052-3194 ; 0000-0001-8742-8576</orcidid></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://ieeexplore.ieee.org/document/9281316$$EHTML$$P50$$Gieee$$H</linktohtml><link.rule.ids>314,780,784,796,27924,27925,54758</link.rule.ids><linktorsrc>$$Uhttps://ieeexplore.ieee.org/document/9281316$$EView_record_in_IEEE$$FView_record_in_$$GIEEE</linktorsrc></links><search><creatorcontrib>Tanaka, Yuji</creatorcontrib><creatorcontrib>Goto, Minori</creatorcontrib><creatorcontrib>Shukla, Amit Kumar</creatorcontrib><creatorcontrib>Yoshikawa, Kohei</creatorcontrib><creatorcontrib>Nomura, Hikaru</creatorcontrib><creatorcontrib>Miwa, Shinji</creatorcontrib><creatorcontrib>Tomishima, Shigeki</creatorcontrib><creatorcontrib>Suzuki, Yoshishige</creatorcontrib><title>Physically Unclonable Functions With Voltage-Controlled Magnetic Tunnel Junctions</title><title>IEEE transactions on magnetics</title><addtitle>TMAG</addtitle><description>We demonstrated for the first time physically unclonable functions (PUFs) based on voltage-controlled magnetic tunnel junctions (VC-MTJs). 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The proposed PUF completely extracts the intrinsic variation of magnetization switching in the VC-MTJ as a random bit string without a short pulse, which is required in the spin-transfer torque (STT) MTJ and spin-orbit torque (SOT) MTJ-based PUF. Moreover, it can be initialized by a bias voltage without an external magnetic field. Using 40 MTJs fabricated in the same design, we evaluated the PUF fundamental parameters: uniqueness, reliability, and uniformity as 57.5%, 87.1%, and 45.0%, respectively.</abstract><cop>New York</cop><pub>IEEE</pub><doi>10.1109/TMAG.2020.3042715</doi><tpages>6</tpages><orcidid>https://orcid.org/0000-0001-9423-8594</orcidid><orcidid>https://orcid.org/0000-0003-1354-6283</orcidid><orcidid>https://orcid.org/0000-0002-4052-3194</orcidid><orcidid>https://orcid.org/0000-0001-8742-8576</orcidid></addata></record> |
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| source | IEEE Electronic Library (IEL) |
| subjects | Electric potential Electrical resistance measurement Magnetic field measurement Magnetic fields Magnetic tunnel junction (MTJ) Magnetic tunneling Magnetism Magnetization physically unclonable function (PUF) Reliability Reliability analysis Resistance Short pulses Torque Tunnel junctions Voltage voltage-controlled magnetic anisotropy (VCMA) |
| title | Physically Unclonable Functions With Voltage-Controlled Magnetic Tunnel Junctions |
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