Research field (2)：
Semiconductors, optical and atomic physics
, Nanostructure physics
Research keywords (6)：
単一電子トンネリング
, シリコン量子ビット
, nuclear spin
, spin
, Quantum dot
, Quantum transport
Research theme for competitive and other funds (11)：
2022 - 2026 Generation and extraction of device fingerprints (quantum fingerprints) based on physics of spin qubits
2018 - 2023 シリコン技術に立脚した室温動作スピン量子ビット
2017 - 2020 Creation of spin-coupling technology suitable for Si quantum bit integration
2015 - 2020 Spin qubits compatible with silicon MOS technology and their large-scale integration
2016 - 2019 Quantum-dot devices in silicon-based tunnel field-effect transistors
2014 - 2017 Memory device based on impurity nuclear spins in gate insulating layer of MOS device
2011 - 2014 Generation and detection of nuclear spin entanglement in semiconductor quantum dots
2010 - 2011 異種g因子2重量子ドットを用いた電子スピン・核スピン制御の研究
2003 - 2006 Dynamics study of few-electron zero-dimensional spin system
2002 - 2005 Nano-systems on the Surface of Liquid Helium
1998 - 2002 走査プローブ法を用いた量子多体系の相転移の研究
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Papers (90)：
Tetsufumi Tanamoto, Keiji Ono, Jun Deguchi, Junji Wadatsumi, Ryuichi Fujimoto. Noise properties in the Coulomb blockade region of FinFETs. Japanese Journal of Applied Physics. 2024. 63. 3. 03SP69-03SP69
Tetsufumi Tanamoto, Keiji Ono. Readout using resonant tunneling in silicon spin qubits. Journal of Applied Physics. 2023. 134. 21
Satoshi Moriyama, Takahiro Mori, Keiji Ono. Resonant tunneling and quantum interference of a two-spin system in silicon tunnel FETs. Applied Physics Express. 2023. 16. 11. 114001-114001
Yoshisuke Ban, Kimihiko Kato, Shota IIZUKA, Shigenori Murakami, Koji Ishibashi, Satoshi Moriyama, Takahiro Mori, Keiji Ono. Introduction of deep level impurities, S, Se, and Zn, into Si wafers for high-temperature operation of a Si qubit. Japanese Journal of Applied Physics. 2023. 62. {SC}
Tetsufumi Tanamoto, Keiji Ono. Simulations of hybrid charge-sensing single-electron-transistors and CMOS circuits. Applied Physics Letters. 2021. 119. 17
伴芳祐, 加藤公彦, 飯塚将太, 村上重則, 石橋幸治, 森山悟士, 森貴洋, 大野圭司. Improvement of sensitivity in room temperature operating quantum magnetic sensors using spin blockades. 応用物理学会春季学術講演会講演予稿集(CD-ROM). 2023. 70th
伴芳祐, 加藤公彦, 飯塚将太, 村上重則, 石橋幸治, 森山悟士, 森貴洋, 大野圭司. Spin-blockade at room temperature in Si tunnel FETs with the introduction of deep impurity levels. 応用物理学会秋季学術講演会講演予稿集(CD-ROM). 2022. 83rd
棚本哲史, 大野圭司. Spin qubits using FinFETs. 応用物理学会秋季学術講演会講演予稿集(CD-ROM). 2021. 82nd
大野 圭司. 高温動作シリコン量子ビットとその量子干渉効果-High-temperature Silicon Qubit and Its Quantum Interference-小特集 量子技術に着想を得た次世代コンピューティング ; 量子コンピュータ技術の最前線. 電子情報通信学会誌 = The journal of the Institute of Electronics, Information and Communication Engineers. 2020. 103. 3. 275-281
