Naoki Kuramoto

According to our database, Naoki Kuramoto authored at least 25 papers between 2003 and 2022.

Collaborative distances:

• Dijkstra number of five.
• Erdős number of four.

2022

Finite-Element Simulation of Effect of Surface Roughness of Coaxial Cylindrical Electrodes on Small Mass and Force Measurements Using Voltage Balance Apparatus.

Kazuaki Fujita, Naoki Kuramoto

IEEE Trans. Instrum. Meas., 2022

Investigating Stability of Si Sphere Surface Layer in Ambient-Vacuum Cyclic Measurements Using Ellipsometry.

Kazuaki Fujita, Kenichi Fujii, Lulu Zhang, Yasushi Azuma, Shigeki Mizushima, Naoki Kuramoto

IEEE Trans. Instrum. Meas., 2022

2021

XPS Analysis of a ²⁸Si-Enriched Sphere for Realization of the Kilogram.

Lulu Zhang, Naoki Kuramoto, Akira Kurokawa

IEEE Trans. Instrum. Meas., 2021

Volume Measurement of a ²⁸Si-Enriched Sphere to Realize the Kilogram Based on the Planck Constant at NMIJ.

Yuichi Ota, Sho Okubo, Hajime Inaba, Naoki Kuramoto

IEEE Trans. Instrum. Meas., 2021

Determination of Defect Concentrations in ²⁸Si Crystals Using EPR for the Realization of the Kilogram.

Shigeki Mizushima, Naoki Kuramoto, Takahide Umeda

IEEE Trans. Instrum. Meas., 2021

Reproducibility of the Realization of the Kilogram Based on the Planck Constant by the XRCD Method at NMIJ.

Naoki Kuramoto, Shigeki Mizushima, Lulu Zhang, Kazuaki Fujita, Sho Okubo, Hajime Inaba, Yasushi Azuma, Akira Kurokawa, Yuichi Ota, Kenichi Fujii

IEEE Trans. Instrum. Meas., 2021

Verifying the Reliability of a Voltage Balance Apparatus to Measure Small Mass and Force Standards at NMIJ.

Kazuaki Fujita, Kenichi Fujii, Yasuyuki Yamamoto, Yuichi Ota, Naoki Kuramoto

IEEE Trans. Instrum. Meas., 2021

2019

Electron Paramagnetic Resonance Study on ²⁸Si Single Crystal for the Future Realization of the Kilogram.

Shigeki Mizushima, Naoki Kuramoto, Kenichi Fujii, Takahide Umeda

IEEE Trans. Instrum. Meas., 2019

Volume Measurement of a ²⁸Si-Enriched Sphere for a Determination of the Avogadro Constant at NMIJ.

Naoki Kuramoto, Lulu Zhang, Kazuaki Fujita, Sho Okubo, Hajime Inaba, Kenichi Fujii

IEEE Trans. Instrum. Meas., 2019

2017

Thickness Measurement of Oxide and Carbonaceous Layers on a ²⁸Si Sphere by XPS.

Lulu Zhang, Naoki Kuramoto, Yasushi Azuma, Akira Kurokawa, Kenichi Fujii

IEEE Trans. Instrum. Meas., 2017

Uniformity Evaluation of Lattice Spacing of ²⁸Si Single Crystals.

Atsushi Waseda, Hiroyuki Fujimoto, Xiao-Wei Zhang, Naoki Kuramoto, Kenichi Fujii

IEEE Trans. Instrum. Meas., 2017

Mass Measurement of ²⁸Si-Enriched Spheres at NMIJ for the Determination of the Avogadro Constant.

Shigeki Mizushima, Naoki Kuramoto, Lulu Zhang, Kenichi Fujii

IEEE Trans. Instrum. Meas., 2017

Realization of the Kilogram Based on the Planck Constant at NMIJ.

Naoki Kuramoto, Lulu Zhang, Shigeki Mizushima, Kazuaki Fujita, Yasushi Azuma, Akira Kurokawa, Kenichi Fujii

IEEE Trans. Instrum. Meas., 2017

Surface Layer Analysis of a ²⁸Si-Enriched Sphere Both in Vacuum and in Air by Ellipsometry.

Kazuaki Fujita, Naoki Kuramoto, Yasushi Azuma, Shigeki Mizushima, Kenichi Fujii

IEEE Trans. Instrum. Meas., 2017

2015

Surface Layer Analysis of Si Sphere by XRF and XPS.

Lulu Zhang, Yasushi Azuma, Akira Kurokawa, Naoki Kuramoto, Kenichi Fujii

IEEE Trans. Instrum. Meas., 2015

Homogeneity Characterization of Lattice Spacing of Silicon Single Crystals.

Atsushi Waseda, Hiroyuki Fujimoto, Xiao-Wei Zhang, Naoki Kuramoto, Kenichi Fujii

IEEE Trans. Instrum. Meas., 2015

Mass Measurement of 1-kg Silicon Spheres for Determination of the Avogadro and Planck Constants.

Shigeki Mizushima, Naoki Kuramoto, Kazunaga Ueda, Kenichi Fujii

IEEE Trans. Instrum. Meas., 2015

Improvements to the Volume Measurement of ²⁸Si Spheres to Determine the Avogadro Constant.

Naoki Kuramoto, Yasushi Azuma, Hajime Inaba, Feng-Lei Hong, Kenichi Fujii

IEEE Trans. Instrum. Meas., 2015

2011

Diameter Comparison of a Silicon Sphere for the International Avogadro Coordination Project.

Naoki Kuramoto, Kenichi Fujii, R. Arnold Nicolaus, Guido Bartl, Malcolm Gray, Peter Manson, Walter Giardini

IEEE Trans. Instrum. Meas., 2011

2009

Improvement in the Volume Determination for Si Spheres With an Optical Interferometer.

Naoki Kuramoto, Kenichi Fujii

IEEE Trans. Instrum. Meas., 2009

2007

Density Determination of Silicon Spheres Using an Interferometer With Optical Frequency Tuning.

Naoki Kuramoto, Kenichi Fujii, Yasushi Azuma, Shigeki Mizushima, Yasutake Toyoshima

IEEE Trans. Instrum. Meas., 2007

2005

Volume determination of a silicon sphere using an improved interferometer with optical frequency tuning.

Naoki Kuramoto, Kenichi Fujii

IEEE Trans. Instrum. Meas., 2005

Present State of the avogadro constant determination from silicon Crystals with natural isotopic compositions.

Kenichi Fujii, Atsushi Waseda, Naoki Kuramoto, Shigeki Mizushima, Peter Becker, Horst Bettin, R. Arnold Nicolaus, Ulrich Kuetgens, Staf Valkiers, Philip Taylor, Paul De Bievre, Giovanni Mana, Enrico Massa, Richard Matyi, Ernest Kessler, Michael Hanke

IEEE Trans. Instrum. Meas., 2005

2003

Interferometric determination of the diameter of a silicon sphere using a direct optical frequency tuning system.

Naoki Kuramoto, Kenichi Fujii

IEEE Trans. Instrum. Meas., 2003

Evaluation of the molar volume of silicon crystals for a determination of the Avogadro constant.

Kenichi Fujii, Atsushi Waseda, Naoki Kuramoto, Shigeki Mizushima, Mitsuru Tanaka, Staf Valkiers, Philip Taylor, Rüdiger Kessel, Paul De Bievre

IEEE Trans. Instrum. Meas., 2003