Azuma Yasushi 東康史

… Alternative Names

AZUMA Yasushi 東康史

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Researcher Number	30356365
Other IDs	https://orcid.org/0000-0001-8099-7063
Affiliation (Current)	2025: 国立研究開発法人産業技術総合研究所, 計量標準総合センター, 主任研究員
Affiliation (based on the past Project Information) *help	2014: 産業技術総合研究所, 計測標準研究部門, 主任研究員 2012 – 2014: 独立行政法人産業技術総合研究所, 計測標準研究部門, 主任研究員
Review Section/Research Field	Except Principal Investigator Applied physics, general
Keywords	Except Principal Investigator 超精密計測 / 光周波数制御 / アボガドロ定数 / 標準 / 基礎物理定数

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
- Principal Investigator
  
  KURAMOTO NAOKI
- Project Period (FY)
  2012 – 2014
- Research Category
  
  Grant-in-Aid for Scientific Research (B)
- Research Field
  
  Applied physics, general
- Research Institution
  National Institute of Advanced Industrial Science and Technology

All 2015 2014 2013 Other

All Journal Article Presentation

[Journal Article] Improved measurement results for the Avogadro constant using a 28Si-enriched crystal2015
- Author(s)
  Yasushi Azuma, Kenichi Fujii, Hiroyuki Fujimoto, Naoki Kuramoto, Shigeki Mizushima, Atsushi Waseda ほか
- Journal Title
  
  Metrologia
  
  Volume: 52 Issue: 2 Pages: 360-375
- DOI
  10.1088/0026-1394/52/2/360
- Peer Reviewed / Acknowledgement Compliant
- Data Source
  KAKENHI-PROJECT-24360037
[Journal Article] Surface Layer Analysis of Si Sphere by XRF and XPS2015
- Author(s)
  Lulu Zhang, Yasushi Azuma, Akira Kurokawa, Naoki Kuramoto, Kenichi Fujii
- Journal Title
  
  IEEE TRANSACTIONS ON INSTRUMENTATION AND MEASUREMENT
  
  Volume: 64 Issue: 6 Pages: 1509-1513
- DOI
  10.1109/tim.2015.2389352
- Peer Reviewed / Acknowledgement Compliant
- Data Source
  KAKENHI-PROJECT-24360037
[Journal Article] Improvements to the Volume Measurement of 28Si Spheres to Determine the Avogadro Constant2015
- Author(s)
  Naoki Kuramoto, Yasushi Azuma, Hajime Inaba, Feng-Lei Hong, Kenichi Fujii
- Journal Title
  
  IEEE TRANSACTIONS ON INSTRUMENTATION AND MEASUREMENT
  
  Volume: 64 Issue: 6 Pages: 1650-1656
- DOI
  10.1109/tim.2015.2401212
- Peer Reviewed / Acknowledgement Compliant
- Data Source
  KAKENHI-PROJECT-24360037
[Journal Article] 基礎物理定数に基づく新しいキログラムとモルの定義2015
- Author(s)
  倉本直樹、東康史、藤井賢一
- Journal Title
  
  ぶんせき
  
  Volume: 印刷中
- Data Source
  KAKENHI-PROJECT-24360037
[Journal Article] Volume measurement of 28Si spheres by an improved optical interferometer and ellipsometer to determined the Avogadro constant2014
- Author(s)
  Naoki Kuramoto, Yasushi Azuma, Hajime Inaba, Feng-Lei Hong, Kenichi Fujii
- Journal Title
  
  Digest of Conference on Precision Electromagnetic Measurements 2014
  
  Volume: - Pages: 210-211
- DOI
  10.1109/cpem.2014.6898333
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-24360037
[Journal Article] Surface Layer Analysis of Si Sphere by XRF and XPS2014
- Author(s)
  Lulu Zhang, Yasushi Azuma, Akira Kurokawa, Naoki Kuramoto, Kenichi Fujii
- Journal Title
  
  Digest of Conference on Precision Electromagnetic Measurements 2014
  
  Volume: - Pages: 208-209
- DOI
  10.1109/cpem.2014.6898332
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-24360037
[Journal Article] 次世代質量標準実現のためのシリコン結晶の密度測定と表面分析2013
- Author(s)
  倉本　直樹、東　康史、稲場　肇、洪　鋒雷、藤井　賢一
- Journal Title
  
  第34回日本熱物性シンポジウム講演論文集
  
  Volume: 34 Pages: 132-134
- Data Source
  KAKENHI-PROJECT-24360037
[Presentation] 蛍光X線分析用フレキシブルな金属薄膜標準試料の作製2013
- Author(s)
  張　ルウルウ、東　康史、寺内　信哉、伊藤　美香、黒河　明
- Organizer
  2013真空・表面科学合同講演会
- Place of Presentation
  茨城県つくば市つくば国際会議場
- Data Source
  KAKENHI-PROJECT-24360037
[Presentation] 次世代質量標準実現のためのシリコン結晶の密度測定と表面分析2013
- Author(s)
  倉本直樹、東康史、稲場肇、洪雷鋒、藤井賢一
- Organizer
  第34回日本熱物性シンポジウム
- Place of Presentation
  富山県富山市富山県民会館
- Data Source
  KAKENHI-PROJECT-24360037
[Presentation] European Metrology Research Program: Advances on the Realization of the Kilogram Definition
- Author(s)
  T. Arnold, Azuma Yasushi, Kenichi Fujii, Hiroyuki Hujimoto, Naoki Kuramoto, S. Mizushima, Atsushi Waseda
- Organizer
  Conference on Precision Electromagnetic Measurements 2014
- Place of Presentation
  Windsor Barra Hotel、リオデジャネイロ（ブラジル）
- Year and Date
  2014-08-24 – 2014-08-29
- Data Source
  KAKENHI-PROJECT-24360037
[Presentation] Surface Layer Analysis of Si Sphere by XRF and XPS
- Author(s)
  Lulu Zhang, Yasushi Azuma, Akira Kurokawa, Naoki Kuramoto, Kenichi Fujii
- Organizer
  Conference on Precision Electromagnetic Measurements 2014
- Place of Presentation
  Windsor Barra Hotel、リオデジャネイロ（ブラジル）
- Year and Date
  2014-08-24 – 2014-08-29
- Data Source
  KAKENHI-PROJECT-24360037
[Presentation] Volume measurement of 28Si spheres by an improved optical interferometer and ellipsometer to determine the Avogadro constant
- Author(s)
  Naoki Kuramoto, Yasushi Azuma, Hajime Inaba, Feng-Lei Hong, Kenichi Fujii
- Organizer
  Conference on Precision Electromagnetic Measurements 2014
- Place of Presentation
  Windsor Barra Hotel、リオデジャネイロ（ブラジル）
- Year and Date
  2014-08-24 – 2014-08-29
- Data Source
  KAKENHI-PROJECT-24360037

1. KURAMOTO NAOKI (60356938)

# of Collaborated Projects: 1 results

# of Collaborated Products: 11 results
2. WASEDA Atsushi (20272172)

# of Collaborated Projects: 1 results

# of Collaborated Products: 2 results
3. FUJIMOTO Hiroyuki (30357917)

# of Collaborated Projects: 1 results

# of Collaborated Products: 1 results
4. FUJII Kenichi (50357901)

# of Collaborated Projects: 1 results

# of Collaborated Products: 11 results
5. 水島茂喜 (60358091)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results

Azuma Yasushi 東 康史

AZUMA Yasushi 東 康史

Research Projects

Research Products

Co-Researchers

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

Principal Investigator

Project Period (FY)

Research Category

Research Field

Research Institution

[Journal Article] Improved measurement results for the Avogadro constant using a 28Si-enriched crystal2015

Author(s)

Journal Title

DOI

Data Source

[Journal Article] Surface Layer Analysis of Si Sphere by XRF and XPS2015

Author(s)

Journal Title

DOI

Data Source

[Journal Article] Improvements to the Volume Measurement of 28Si Spheres to Determine the Avogadro Constant2015

Author(s)

Journal Title

DOI

Data Source

[Journal Article] 基礎物理定数に基づく新しいキログラムとモルの定義2015

Author(s)

Journal Title

Data Source

[Journal Article] Volume measurement of 28Si spheres by an improved optical interferometer and ellipsometer to determined the Avogadro constant2014

Author(s)

Journal Title

DOI

Data Source

[Journal Article] Surface Layer Analysis of Si Sphere by XRF and XPS2014

Author(s)

Journal Title

DOI

Data Source

[Journal Article] 次世代質量標準実現のためのシリコン結晶の密度測定と表面分析2013

Author(s)

Journal Title

Data Source

[Presentation] 蛍光X線分析用フレキシブルな金属薄膜標準試料の作製2013

Author(s)

Organizer

Place of Presentation

Data Source

[Presentation] 次世代質量標準実現のためのシリコン結晶の密度測定と表面分析2013

Author(s)

Organizer

Place of Presentation

Data Source

[Presentation] European Metrology Research Program: Advances on the Realization of the Kilogram Definition

Author(s)

Organizer

Place of Presentation

Year and Date

Data Source

[Presentation] Surface Layer Analysis of Si Sphere by XRF and XPS

Author(s)

Organizer

Place of Presentation

Year and Date

Data Source

[Presentation] Volume measurement of 28Si spheres by an improved optical interferometer and ellipsometer to determine the Avogadro constant

Author(s)

Organizer

Place of Presentation

Year and Date

Data Source

Azuma Yasushi 東康史

AZUMA Yasushi 東康史