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 001; Rüdiger Kessel; Paul De Bievre (IEEE Trans. Instrum. Meas., 2003)

Present State of the avogadro constant determination from silicon Crystals with natural isotopic compositions. - Kenichi Fujii; Atsushi Waseda; Naoki Kuramoto; Shigeki Mizushima; Peter Becker 003; Horst Bettin; R. Arnold Nicolaus; Ulrich Kuetgens; Staf Valkiers; Philip Taylor 001; Paul De Bievre; Giovanni Mana; et al. (IEEE Trans. Instrum. Meas., 2005)

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)

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)

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)

Realization of the Kilogram Based on the Planck Constant at NMIJ. - Naoki Kuramoto; Lulu Zhang 002; Shigeki Mizushima; Kazuaki Fujita; Yasushi Azuma; Akira Kurokawa; 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 002; Kenichi Fujii (IEEE Trans. Instrum. Meas., 2017)

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)

Reproducibility of the Realization of the Kilogram Based on the Planck Constant by the XRCD Method at NMIJ. - Naoki Kuramoto; Shigeki Mizushima; Lulu Zhang 002; Kazuaki Fujita; Sho Okubo; Hajime Inaba; Yasushi Azuma; Akira Kurokawa; Yuichi Ota; Kenichi Fujii (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)

Investigating Stability of Si Sphere Surface Layer in Ambient-Vacuum Cyclic Measurements Using Ellipsometry. - Kazuaki Fujita; Kenichi Fujii; Lulu Zhang 002; Yasushi Azuma; Shigeki Mizushima; Naoki Kuramoto (IEEE Trans. Instrum. Meas., 2022)