We theoretically investigate influences of electronic circuit delay, noise, and temperature on write-error-rate (WER) in voltage-controlled magnetization switching operation of a magnetic-topological-insulator-based device by means of the micromagnetic simulation. This device realizes magnetization switching via spin–orbit torque (SOT) and voltage-controlled magnetic anisotropy (VCMA), which originate from the 2D-Dirac electronic structure. We reveal that the device operation is extremely robust against circuit delay and signal-to-noise ratio. We demonstrate that the WER on the order of ∼ or below is achieved around room temperature due to steep change in VCMA. Also, we show that the larger SOT improves thermal stability factor. This study provides a next perspective for developing voltage-driven spintronic devices with ultra-low power consumption.
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4 September 2023
Research Article|
September 06 2023
Numerical analysis of voltage-controlled magnetization switching operation in magnetic-topological-insulator-based devices Available to Purchase
Takashi Komine
;
Takashi Komine
a)
(Conceptualization, Data curation, Formal analysis, Funding acquisition, Investigation, Methodology, Project administration, Resources, Software, Supervision, Validation, Visualization, Writing – original draft, Writing – review & editing)
1
Graduate School of Science and Engineering, Ibaraki University
, 4-12-1, Nakanarusawa, Hitachi, Ibaraki 316-8511, Japan
a)Author to whom correspondence should be addressed: [email protected]
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Takahiro Chiba
Takahiro Chiba
(Conceptualization, Formal analysis, Investigation, Methodology, Resources, Software, Supervision, Validation, Writing – original draft, Writing – review & editing)
2
Frontier Research Institute for Interdisciplinary Sciences, Tohoku University
, Sendai, Miyagi 980-0845, Japan
3
Department of Applied Physics, Graduate School of Engineering, Tohoku University
, Sendai, Miyagi 980-8579, Japan
Search for other works by this author on:
Takashi Komine
1,a)
Takahiro Chiba
2,3
1
Graduate School of Science and Engineering, Ibaraki University
, 4-12-1, Nakanarusawa, Hitachi, Ibaraki 316-8511, Japan
2
Frontier Research Institute for Interdisciplinary Sciences, Tohoku University
, Sendai, Miyagi 980-0845, Japan
3
Department of Applied Physics, Graduate School of Engineering, Tohoku University
, Sendai, Miyagi 980-8579, Japan
a)Author to whom correspondence should be addressed: [email protected]
Appl. Phys. Lett. 123, 102404 (2023)
Article history
Received:
June 14 2023
Accepted:
August 23 2023
Citation
Takashi Komine, Takahiro Chiba; Numerical analysis of voltage-controlled magnetization switching operation in magnetic-topological-insulator-based devices. Appl. Phys. Lett. 4 September 2023; 123 (10): 102404. https://doi.org/10.1063/5.0162297
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