Rchr
J-GLOBAL ID：202301007167242637
Update date: Apr. 09, 2024
Okazaki Yuma
オカザキ ユウマ | Okazaki Yuma
Affiliation and department：
Job title：
Senior Researcher
Other affiliations (1)：
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National Institute of Advanced Industrial Science and Technology
Global Research and Development Center for Business by Quantum-AI technology (G-QuAT), Quantum Hardware Components R&D Team
Research field (2)：
Semiconductors, optical and atomic physics
, Applied physics - general
Research keywords (4)：
current noise measurements
, solid-state physics
, electromechanical systems (MEMS)
, 量子電気標準
Research theme for competitive and other funds (4)：
- 2023 - 2026 Quantum anomalous Hall effect in ferromagnetic topological insulator towards quantum resistance standards
- 2023 - 2025 Development of Single-electron Field Emitter
- 2018 - 2022 Superconducting electronics for quantum measurements in a semiconductor quantum dot mechanical resonator hybrid system
- 2015 - 2018 Detection of electrochemical reaction at the level of single-molecule with a nanotube based electrode
Papers (22)：
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Shuji Nakamura, Daiki Matsumaru, Gento Yamahata, Takehiko Oe, Dong-Hun Chae, Yuma Okazaki, Shintaro Takada, Michitaka Maruyama, Akira Fujiwara, Nobu-Hisa Kaneko. Universality and Multiplication of Gigahertz-Operated Silicon Pumps with Parts Per Million-Level Uncertainty. Nano letters. 2024. 24. 1. 9-15
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Junliang Wang, Shunsuke Ota, Hermann Edlbauer, Baptiste Jadot, Pierre-André Mortemousque, Aymeric Richard, Yuma Okazaki, Shuji Nakamura, Arne Ludwig, Andreas D. Wieck, et al. Generation of a Single-Cycle Acoustic Pulse: A Scalable Solution for Transport in Single-Electron Circuits. Physical Review X. 2022. 12. 3
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Yuma Okazaki, Takahiro Tanaka, Norio Saito, Nobu-Hisa Kaneko. Subfemtoampere Resolved Ionization Current Measurements Using a High-Resistance Transimpedance Amplifier. IEEE Transactions on Instrumentation and Measurement. 2022. 71. 1-8
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Yuma Okazaki, Takehiko Oe, Minoru Kawamura, Ryutaro Yoshimi, Shuji Nakamura, Shintaro Takada, Masataka Mogi, Kei S. Takahashi, Atsushi Tsukazaki, Masashi Kawasaki, et al. Quantum anomalous Hall effect with a permanent magnet defines a quantum resistance standard. Nature Physics. 2021. 18. 1. 25-29
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Heat-Driven Electron-Motion in a Nanoscale Electronic Circuit. 2021. 90. 11
ｍore...
Patents (1)：
Books (1)：
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Hybrid quantum systems
Springer 2021 ISBN:9789811666780
Committee career (1)：
- 2019/04 - 2020/03 The Physical Society of Japan Program comittee
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