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Shinji Yuasa
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Journal Articles

Write error reduction in magnetic tunnel junctions for voltage-controlled magnetoresistive random access memory by using exchange coupled free layer

Lui Sakai, Yutaka Higo, Masanori Hosomi, Rie Matsumoto, Takayuki Nozaki, Shinji Yuasa, Hiroshi Imamura
Journal: Applied Physics Letters
Appl. Phys. Lett. 126, 022401 (2025)
https://doi.org/10.1063/5.0241713
Published: January 2025
View article titled, Write error reduction in magnetic tunnel junctions for voltage-controlled magnetoresistive random access memory by using exchange coupled free layer
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Journal Articles

Engineering of Co/MgO interface with combination of ultrathin heavy metal insertion and post-oxidation for voltage-controlled magnetic anisotropy effect

Hiroyasu Nakayama, Tomohiro Nozaki, Takayuki Nozaki, Shinji Yuasa
Journal: APL Materials
APL Mater. 12, 091122 (2024)
https://doi.org/10.1063/5.0224193
Published: September 2024
View article titled, Engineering of Co/MgO interface with combination of ultrathin heavy metal insertion and post-oxidation for voltage-controlled magnetic anisotropy effect
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Journal Articles

Improvement of voltage-controlled magnetic anisotropy effect by inserting an ultrathin metal capping layer

Takayuki Nozaki, Tomohiro Ichinose, Tatsuya Yamamoto, Kay Yakushiji, Shinji Yuasa
Journal: APL Materials
APL Mater. 12, 091109 (2024)
https://doi.org/10.1063/5.0222313
Published: September 2024
View article titled, Improvement of voltage-controlled magnetic anisotropy effect by inserting an ultrathin metal capping layer
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Journal Articles

Large voltage-controlled magnetic anisotropy effect in magnetic tunnel junctions prepared by deposition at cryogenic temperatures

Takayuki Nozaki, Tomohiro Ichinose, Jun Uzuhashi, Tatsuya Yamamoto, Makoto Konoto, Kay Yakushiji, Tadakatsu Ohkubo, Shinji Yuasa
Journal: APL Materials
APL Mater. 11, 121106 (2023)
https://doi.org/10.1063/5.0176263
Published: December 2023
View article titled, Large voltage-controlled magnetic anisotropy effect in magnetic tunnel junctions prepared by deposition at cryogenic temperatures
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Includes: Supplementary data
Journal Articles

Engineering Co/MgO interface with heavy metals for voltage-controlled magnetic anisotropy effect

Hiroyasu Nakayama, Takayuki Nozaki, Tomohiro Nozaki, Shinji Yuasa
Journal: Applied Physics Letters
Appl. Phys. Lett. 122, 032403 (2023)
https://doi.org/10.1063/5.0128587
Published: January 2023
View article titled, Engineering Co/MgO interface with heavy metals for voltage-controlled magnetic anisotropy effect
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Includes: Supplementary data
Journal Articles

Voltage-controlled magnetic anisotropy effect through a LiF/MgO hybrid tunneling barrier

Editor’s Pick
Takayuki Nozaki, Tomohiro Nozaki, Tatsuya Yamamoto, Makoto Konoto, Atsushi Sugihara, Kay Yakushiji, Shinji Yuasa
Journal: Applied Physics Letters
Appl. Phys. Lett. 121, 172401 (2022)
https://doi.org/10.1063/5.0122192
Published: October 2022
View article titled, Voltage-controlled magnetic anisotropy effect through a LiF/MgO hybrid tunneling barrier
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Journal Articles

Precise interface engineering using a post-oxidized ultrathin MgAl layer for the voltage-controlled magnetic anisotropy effect

Takayuki Nozaki, Tomohiro Nozaki, Hiroshige Onoda, Hiroyasu Nakayama, Tomohiro Ichinose, Tatsuya Yamamoto, Makoto Konoto, Shinji Yuasa
Journal: APL Materials
APL Mater. 10, 081103 (2022)
https://doi.org/10.1063/5.0099549
Published: August 2022
View article titled, Precise interface engineering using a post-oxidized ultrathin MgAl layer for the voltage-controlled magnetic anisotropy effect
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Journal Articles

Improvement in perpendicular magnetic anisotropy and its voltage control efficiency in CoFeB/MgO tunnel junctions with Ta/Mo layered adhesion structures

Tomohiro Ichinose, Tatsuya Yamamoto, Jun Uzuhashi, Takayuki Nozaki, Tadakatsu Ohkubo, Kay Yakushiji, Shingo Tamaru, Kazuhiro Hono, Shinji Yuasa
Journal: Journal of Applied Physics
J. Appl. Phys. 131, 213901 (2022)
https://doi.org/10.1063/5.0088530
Published: June 2022
View article titled, Improvement in perpendicular magnetic anisotropy and its voltage control efficiency in CoFeB/MgO tunnel junctions with Ta/Mo layered adhesion structures
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Journal Articles

Spin–torque dynamics for noise reduction in vortex-based sensors

Editor’s Pick
Mafalda Jotta Garcia, Julien Moulin, Steffen Wittrock, Sumito Tsunegi, Kay Yakushiji, Akio Fukushima, Hitoshi Kubota, Shinji Yuasa, Ursula Ebels, Myriam Pannetier-Lecoeur, Claude Fermon, Romain Lebrun, Paolo Bortolotti, Aurélie Solignac, Vincent Cros
Journal: Applied Physics Letters
Appl. Phys. Lett. 118, 122401 (2021)
https://doi.org/10.1063/5.0040874
Published: March 2021
View article titled, Spin–torque dynamics for noise reduction in vortex-based sensors
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Journal Articles

Recent progress in random number generator using voltage pulse-induced switching of nano-magnet: A perspective

Akio Fukushima, Tatsuya Yamamoto, Takayuki Nozaki, Kay Yakushiji, Hitoshi Kubota, Shinji Yuasa
Journal: APL Materials
APL Mater. 9, 030905 (2021)
https://doi.org/10.1063/5.0038974
Published: March 2021
View article titled, Recent progress in random number generator using voltage pulse-induced switching of nano-magnet: A perspective
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Journal Articles

Perpendicular magnetic anisotropy and its electrical control in FeNiB ultrathin films

Tatsuya Yamamoto, Takayuki Nozaki, Kay Yakushiji, Shingo Tamaru, Hitoshi Kubota, Akio Fukushima, Shinji Yuasa
Journal: AIP Advances
AIP Advances 11, 015142 (2021)
https://doi.org/10.1063/5.0033283
Published: January 2021
View article titled, Perpendicular magnetic anisotropy and its electrical control in FeNiB ultrathin films
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Journal Articles

The 64th Annual Conference on Magnetism and Magnetic Materials

Shinji Yuasa
Journal: AIP Advances
Series: Magnetism and Magnetic Materials
AIP Advances 10, 050401 (2020)
https://doi.org/10.1063/9.0000002
Published: May 2020
View article titled, The 64th Annual Conference on Magnetism and Magnetic Materials
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Journal Articles

Control of the magnetic domain of Pt/Co/Ru/MgO multilayer: Effect of Co thickness and Ru insertion

FeaturedScilight
Tomohiro Nozaki, Makoto Konoto, Takayuki Nozaki, Hitoshi Kubota, Akio Fukushima, Shinji Yuasa
Journal: AIP Advances
AIP Advances 10, 035130 (2020)
https://doi.org/10.1063/1.5136044
Published: March 2020
View article titled, Control of the magnetic domain of Pt/Co/Ru/MgO multilayer: Effect of Co thickness and Ru insertion
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Includes: Supplementary data
Journal Articles

Voltage-controlled magnetic anisotropy in an ultrathin Ir-doped Fe layer with a CoFe termination layer

Featured
Takayuki Nozaki, Masaki Endo, Masahito Tsujikawa, Tatsuya Yamamoto, Tomohiro Nozaki, Makoto Konoto, Hiroyuki Ohmori, Yutaka Higo, Hitoshi Kubota, Akio Fukushima, Masanori Hosomi, Masafumi Shirai, Yoshishige Suzuki, Shinji Yuasa
Journal: APL Materials
APL Mater. 8, 011108 (2020)
https://doi.org/10.1063/1.5132626
Published: January 2020
View article titled, Voltage-controlled magnetic anisotropy in an ultrathin Ir-doped Fe layer with a CoFe termination layer
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Includes: Supplementary data
Journal Articles

Fully epitaxial magnetic tunnel junction on a silicon wafer

Editor’s Pick
Kay Yakushiji, Atsushi Sugihara, Takafumi Nakano, Shinji Yuasa
Journal: Applied Physics Letters
Appl. Phys. Lett. 115, 202403 (2019)
https://doi.org/10.1063/1.5116055
Published: November 2019
View article titled, Fully epitaxial magnetic tunnel junction on a silicon wafer
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Journal Articles

High frequency voltage-induced ferromagnetic resonance in magnetic tunnel junctions

Witold Skowroński, Stanisław Łazarski, Jakub Mojsiejuk, Jakub Chęciński, Marek Frankowski, Takayuki Nozaki, Kay Yakushiji, Shinji Yuasa
Journal: Applied Physics Letters
Appl. Phys. Lett. 115, 072401 (2019)
https://doi.org/10.1063/1.5113681
Published: August 2019
View article titled, High frequency voltage-induced ferromagnetic resonance in magnetic tunnel junctions
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Journal Articles

Physical reservoir computing based on spin torque oscillator with forced synchronization

Sumito Tsunegi, Tomohiro Taniguchi, Kohei Nakajima, Shinji Miwa, Kay Yakushiji, Akio Fukushima, Shinji Yuasa, Hitoshi Kubota
Journal: Applied Physics Letters
Appl. Phys. Lett. 114, 164101 (2019)
https://doi.org/10.1063/1.5081797
Published: April 2019
View article titled, Physical reservoir computing based on spin torque oscillator with forced synchronization
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Includes: Supplementary data
Journal Articles

Brownian motion of skyrmion bubbles and its control by voltage applications

Takayuki Nozaki, Yuma Jibiki, Minori Goto, Eiiti Tamura, Tomohiro Nozaki, Hitoshi Kubota, Akio Fukushima, Shinji Yuasa, Yoshishige Suzuki
Journal: Applied Physics Letters
Appl. Phys. Lett. 114, 012402 (2019)
https://doi.org/10.1063/1.5070101
Published: January 2019
View article titled, Brownian motion of skyrmion bubbles and its control by voltage applications
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Includes: Supplementary data
Journal Articles

Enhancement in the interfacial perpendicular magnetic anisotropy and the voltage-controlled magnetic anisotropy by heavy metal doping at the Fe/MgO interface

Takayuki Nozaki, Tatsuya Yamamoto, Shingo Tamaru, Hitoshi Kubota, Akio Fukushima, Yoshishige Suzuki, Shinji Yuasa
Journal: APL Materials
APL Mater. 6, 026101 (2018)
https://doi.org/10.1063/1.5018162
Published: February 2018
View article titled, Enhancement in the interfacial perpendicular magnetic anisotropy and the voltage-controlled magnetic anisotropy by heavy metal doping at the Fe/MgO interface
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Includes: Supplementary data
Journal Articles

Reduction in write error rate of voltage-driven dynamic magnetization switching by improving thermal stability factor

Yoichi Shiota, Takayuki Nozaki, Shingo Tamaru, Kay Yakushiji, Hitoshi Kubota, Akio Fukushima, Shinji Yuasa, Yoshishige Suzuki
Journal: Applied Physics Letters
Appl. Phys. Lett. 111, 022408 (2017)
https://doi.org/10.1063/1.4990680
Published: July 2017
View article titled, Reduction in write error rate of voltage-driven dynamic magnetization switching by improving thermal stability factor
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Includes: Supplementary data