Kenichi Fujii - researchr alias

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Viewing Publication 1 - 34 from 34

2022

Investigating Stability of Si Sphere Surface Layer in Ambient-Vacuum Cyclic Measurements Using EllipsometryKazuaki Fujita, Kenichi Fujii, Lulu Zhang, Yasushi Azuma, Shigeki Mizushima, Naoki Kuramoto. tim, 71:1-9, 2022. [doi]

2021

2020

Development of a New Apparatus for SI Traceable Small Mass Measurements Using the Voltage Balance Method at NMIJYasuyuki Yamamoto, Kazuaki Fujita, Kenichi Fujii. tim, 69(11):9048-9055, 2020. [doi]

2019

28Si-Enriched Sphere for a Determination of the Avogadro Constant at NMIJNaoki Kuramoto, Lulu Zhang, Kazuaki Fujita, Sho Okubo, Hajime Inaba, Kenichi Fujii. tim, 68(6):1913-1920, 2019. [doi]

28Si Single Crystal for the Future Realization of the KilogramShigeki Mizushima, Naoki Kuramoto, Kenichi Fujii, Takahide Umeda. tim, 68(6):1879-1886, 2019. [doi]

2017

28Si-Enriched Sphere Both in Vacuum and in Air by EllipsometryKazuaki Fujita, Naoki Kuramoto, Yasushi Azuma, Shigeki Mizushima, Kenichi Fujii. tim, 66(6):1283-1288, 2017. [doi]

Realization of the Kilogram Based on the Planck Constant at NMIJNaoki Kuramoto, Lulu Zhang, Shigeki Mizushima, Kazuaki Fujita, Yasushi Azuma, Akira Kurokawa, Kenichi Fujii. tim, 66(6):1267-1274, 2017. [doi]

28Si-Enriched Spheres at NMIJ for the Determination of the Avogadro ConstantShigeki Mizushima, Naoki Kuramoto, Lulu Zhang, Kenichi Fujii. tim, 66(6):1275-1282, 2017. [doi]

28Si Single CrystalsAtsushi Waseda, Hiroyuki Fujimoto, Xiao-Wei Zhang, Naoki Kuramoto, Kenichi Fujii. tim, 66(6):1304-1308, 2017. [doi]

28Si Sphere by XPSLulu Zhang, Naoki Kuramoto, Yasushi Azuma, Akira Kurokawa, Kenichi Fujii. tim, 66(6):1297-1303, 2017. [doi]

2015

28Si Spheres to Determine the Avogadro ConstantNaoki Kuramoto, Yasushi Azuma, Hajime Inaba, Feng-Lei Hong, Kenichi Fujii. tim, 64(6):1650-1656, 2015. [doi]

Mass Measurement of 1-kg Silicon Spheres for Determination of the Avogadro and Planck ConstantsShigeki Mizushima, Naoki Kuramoto, Kazunaga Ueda, Kenichi Fujii. tim, 64(6):1527-1532, 2015. [doi]

Homogeneity Characterization of Lattice Spacing of Silicon Single CrystalsAtsushi Waseda, Hiroyuki Fujimoto, Xiao-Wei Zhang, Naoki Kuramoto, Kenichi Fujii. tim, 64(6):1692-1695, 2015. [doi]

Surface Layer Analysis of Si Sphere by XRF and XPSLulu Zhang, Yasushi Azuma, Akira Kurokawa, Naoki Kuramoto, Kenichi Fujii. tim, 64(6):1509-1513, 2015. [doi]

2012

An Experiment and Discussion of the Reboot Feature on the Photovoltaic Grid SystemKenichi Fujii, Motoi Yamagiwa, Minoru Uehara. aina 2012: 987-992 [doi]

2011

A Study on Improving the System of Grid Powered by Solar CellKenichi Fujii, Motoi Yamagiwa, Minoru Uehara. nbis 2011: 535-540 [doi]

Proposal for Solar Powered Grid Based on Reused PCsKenichi Fujii, Motoi Yamagiwa, Minoru Uehara. aina 2011: 375-380 [doi]

Solar Powered Grid Based on Reused PCsKenichi Fujii, Motoi Yamagiwa, Minoru Uehara. cisis 2011: 257-262 [doi]

A Study on Operation of Photovoltaic Grid System Using Weather ForecastKenichi Fujii, Motoi Yamagiwa, Minoru Uehara. incos 2011: 157-163 [doi]

Diameter Comparison of a Silicon Sphere for the International Avogadro Coordination ProjectNaoki Kuramoto, Kenichi Fujii, R. Arnold Nicolaus, Guido Bartl, Malcolm Gray, Peter Manson, Walter Giardini. tim, 60(7):2615-2620, 2011. [doi]

Density Comparison of Isotopically Purified Silicon Single Crystals by the Pressure-of-Flotation MethodAtsushi Waseda, Kenichi Fujii. tim, 60(7):2539-2543, 2011. [doi]

2009

Improvement in the Volume Determination for Si Spheres With an Optical InterferometerNaoki Kuramoto, Kenichi Fujii. tim, 58(4):915-918, 2009. [doi]

2007

Density Determination of Silicon Spheres Using an Interferometer With Optical Frequency TuningNaoki Kuramoto, Kenichi Fujii, Yasushi Azuma, Shigeki Mizushima, Yasutake Toyoshima. tim, 56(2):476-480, 2007. [doi]

Density Evaluation of Silicon Thermal-Oxide Layers on Silicon Crystals by the Pressure-of-Flotation MethodAtsushi Waseda, Kenichi Fujii. tim, 56(2):628-631, 2007. [doi]

2005

Comparison of density difference measurements at PTB and NMIJHorst Bettin, Hans Toth, Atsushi Waseda, Kenichi Fujii. tim, 54(2):877-881, 2005. [doi]

Present State of the avogadro constant determination from silicon Crystals with natural isotopic compositionsKenichi 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. tim, 54(2):854-859, 2005. [doi]

Volume determination of a silicon sphere using an improved interferometer with optical frequency tuningNaoki Kuramoto, Kenichi Fujii. tim, 54(2):868-871, 2005. [doi]

Density measurement of a thin-film by the pressure-of-flotation methodAtsushi Waseda, Kenichi Fujii, Naoyuki Taketoshi. tim, 54(2):882-885, 2005. [doi]

2003

Evaluation of the molar volume of silicon crystals for a determination of the Avogadro constantKenichi Fujii, Atsushi Waseda, Naoki Kuramoto, Shigeki Mizushima, Mitsuru Tanaka, Staf Valkiers, Philip Taylor, Rüdiger Kessel, Paul De Bievre. tim, 52(2):646-651, 2003. [doi]

Interferometric determination of the diameter of a silicon sphere using a direct optical frequency tuning systemNaoki Kuramoto, Kenichi Fujii. tim, 52(2):631-635, 2003. [doi]

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2020

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2001

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