Research field (2)：
Other
, Applied physics - general
Research keywords (7)：
International Avogadro Coordination project
, キログラム
, プランク定数
, アボガドロ定数
, シリコン球体
, fundamental constants
, 28Si-enriched crystal
Research theme for competitive and other funds (6)：
2023 - 2027 Realization of "weight of light" as a small mass standard based on the new definition of the kilogram
2021 - 2024 アボガドロ定数にトレーサブルな超高精度フリーフォーム形状測定技術の開発
2021 - 2023 Development of a Kibble balance that measures mass by utilizing the new definition of kilogram based on the Plank constant
2020 - 2023 Development of a method for small mass measurements using the new definition of the kilogram based on the Planck constant
2016 - 2019 Research to realize the definition of the kilogram based on the fundamental constants
2012 - 2015 Development of a two-dimensional dark fringe method to measure sphere diameters and an accurate determination of the Avogadro constant by using a 28Si crystal
Show all
Papers (87)：
Y. Ota, M. Ueki, N. Kuramoto. Evaluation of automatic sub-multiple mass calibration for sub-milligram weights at NMIJ. Measurement. 2022. 198. 111320-111320
Naoki Kuramoto. The new kilogram for new technology. Nature Physics. 2022. 18. 6. 720-720
Kazuaki Fujita, Kenichi Fujii, Lulu Zhang, Yasushi Azuma, Shigeki Mizushima, Naoki Kuramoto. Investigating Stability of Si Sphere Surface Layer in Ambient-Vacuum Cyclic Measurements Using Ellipsometry. IEEE Transactions on Instrumentation and Measurement. 2022. 71. 1001409-1001409
Kazuaki Fujita, Naoki Kuramoto. Finite-Element Simulation of Effect of Surface Roughness of Coaxial Cylindrical Electrodes on Small Mass and Force Measurements Using Voltage Balance Apparatus. IEEE Transactions on Instrumentation and Measurement. 2022. 71. 1-6
Takahito Ikenoue, Katsunori Kimoto, Yuriko Nakamura, Kjell R. Bjørklund, Naoki Kuramoto, Masaaki Ueki, Yuichi Ota, Jonaotaro Onodera, Naomi Harada, Makio C. Honda, et al. New evaluation of species-specific biogenic silica flux of radiolarians (Rhizaria) in the western Arctic Ocean using microfocus X-ray computed tomography. Limnology and Oceanography. 2021
倉本直樹, 狩野祐也, 藤田一慧, 大田由一, ZHANG Lulu, 東康史, 黒河明, 大久保章, 稲場肇. Realization of the new kilogram based on the Planck constant. 日本分析化学会有機微量分析研究懇談会・計測自動制御学会力学量計測部会合同シンポジウム講演要旨集. 2023. 90th-122nd
Finite-Element Simulations of the Effects of Shielding and Guarding of a Capacitor Using Coaxial Cylindrical Electrodes for Electrostatic Force Balance Measurements
(CPEM2024 2024)
物理定数にもとづく新しいキログラムの定義
(計量月間行事にかかる講演会 2023)
Present status of the realization of the kilogram by the XRCD method at NMIJ
(Joint meeting of Kibble balance technical meeting and the International Avogadro CoordinationKBTM/IAC meeting 2023)
Realization of the new kilogram by counting atoms in 28Si-enriched crystal
(Emerging Scientist Workshop 2023 2023)
2021/05 - 現在 International Committee for Weights and Measures (CIPM) CCM Task Group on the Phases for the Dissemination of the kilogram following redefinition (CCM-TGPfD-kg)
2020/04 - 現在 International Avogadro Coordination (IAC) project Coordinator
2019/08 - 現在 Scientific and Technological Cooperation in the Field of the Kilogram Realization between AIST and PTB Project representative
2019/05 - IOP Publishing Highlights of 2018 (Metrologia, selected paper in 2018) M. Stock and N. Kuramoto et al., A comparison of future realizations of the kilogram, Metrologia, 55, T1, 2018
2018/06 - IOP Publishing Highlights of 2017 (Metrologia, selected paper in 2017) Determination of the Avogadro constant by the XRCD method using a 28Si-enriched sphere, Metrologia, 54, 716/729 (2017)
2018/03 - National Institute of Advanced Industrial Science and Technology AIST Best Paper Award in FY2017
Show all
Association Membership(s) (5)：
JAPAN SOCIETY OF THERMOPHYSICAL PROPERTIES
, THE JAPAN SOCIETY FOR ANALYTICAL CHEMISTRY
, THE JAPAN SOCIETY OF APPLIED PHYSICS
, THE CHEMICAL SOCIETY OF JAPAN
, THE SOCIETY OF INSTRUMENT AND CONTROL ENGINEERS
