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Researcher · NTT Basic Research Laboratories · Japan

Kazuyuki Hirama

Kazuyuki Hirama publishes mostly in Materials Chemistry, Electrical and Electronic Engineering and Mechanics of Materials, on topics such as Diamond and Carbon-based Materials Research, Metal and Thin Film Mechanics and Semiconductor materials and devices.

ORCID 0000-0002-0396-6375 OpenAlex
World rank
#1,985,686
of 7,710,434 ranked researchers
Rank in Japan
#35,964
of 383,136
Works
87
Citations
1.5k
Citations per work
17.3
h-index
23
i10-index 28Top 23% in Materials Chemistry
Kazuyuki Hirama

What does Kazuyuki Hirama research?

Kazuyuki Hirama's work is mostly in Engineering (44%), Materials Science (31%), Physics and Astronomy (17%).

Physical Sciences: 80 works · 91.6% of their workEngineering: 38 works · 43.6% of their workElectrical and Electronic Engineering: 20 works · 22.6% of their workMechanics of Materials: 13 works · 14.7% of their workBiomedical Engineering: 5 works · 6.3% of their workMaterials Science: 27 works · 31.3% of their workMaterials Chemistry: 27 works · 31.3% of their workPhysics and Astronomy: 15 works · 16.7% of their workCondensed Matter Physics: 9 works · 10.7% of their workAtomic and Molecular Physics, and Optics: 5 works · 6.0% of their workEverything else: 7 works · 8.4% of their workTHEIR WORKKazuyuki Hirama87works
Physical Sciences92%

Their six largest subfields, inside their fields and domains; the grey slice is everything else they publish. The interactive view splits every one of their works down to single topics.

The fields and subfields, with their numbers
    1. Engineering3843.6%
    2. Materials Science2731.3%
    3. Physics and Astronomy1516.7%
  2. Everything else78.4%
  1. 1Materials Chemistry31% of their works
  2. 2Electrical and Electronic Engineering23% of their works
  3. 3Mechanics of Materials15% of their works
  4. 4Condensed Matter Physics11% of their works
  5. 5Biomedical Engineering6% of their works
  6. 6Atomic and Molecular Physics, and Optics6% of their works

Research topics

Which keywords describe Kazuyuki Hirama's research?

The keywords of their largest research topics: Nanodiamonds, Quantum Sensing, Thin Films, Coatings, Nanoindentation, Atomic Layer Deposition, High-k Dielectrics and Band Parameters.

Size is their works in the topics tagged with each word, from their 8 largest topics. Each links to the topic it comes from most. The words come from the keyword list OpenAlex gives each topic, not from the text of the papers, so a word can appear that none of the papers uses.

All 20 words, with their numbers
  1. Nanodiamonds501 topic
  2. Quantum Sensing501 topic
  3. Thin Films442 topics
  4. Coatings371 topic
  5. Nanoindentation371 topic
  6. Atomic Layer Deposition361 topic
  7. High-k Dielectrics361 topic
  8. Band Parameters352 topics
  9. Nanowires352 topics
  10. III-Nitrides261 topic
  11. Semiconductors261 topic
  12. Semiconductor162 topics
  13. Boron Nitride Nanotubes131 topic
  14. Superhard Materials131 topic
  15. Quantum Dots91 topic
  16. Single-Photon Source91 topic
  17. Gallium Oxide71 topic
  18. Nanowire Transistors71 topic
  19. Tunnel Field-Effect Transistors71 topic
  20. Ultrawide Bandgap71 topic

Where does Kazuyuki Hirama work?

Kazuyuki Hirama's main affiliation in the publication record is NTT Basic Research Laboratories, Japan.

How many publications and citations does Kazuyuki Hirama have?

OpenAlex counts 87 works and 1,502 citations for Kazuyuki Hirama, an h-index of 23, ranking #1,985,686 of 7,710,434 researchers worldwide on the quality score.

Ranked on field-normalised citation excellence (50%), output (30%) and citations (20%). Counts come from OpenAlex author records, which occasionally merge different people who share a name or split one person into several.

Papers, co-authors, who cited this work and researchers on the nearest topics have tabs of their own, above. Is this your page? Claim it with your ORCID iD, or request a correction or removal.

Discussion

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