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Researcher · Kogakuin University · Japan

Takeyoshi Onuma

Takeyoshi Onuma publishes mostly in Materials Chemistry, Electronic, Optical and Magnetic Materials and Condensed Matter Physics, on topics such as Ga2O3 and related materials, GaN-based semiconductor devices and materials and ZnO doping and properties.

ORCID 0000-0003-0060-4245 OpenAlex
World rank
#2,786,750
of 7,710,434 ranked researchers
Rank in Japan
#59,714
of 383,136
Works
252
Citations
7.3k
Citations per work
28.8
h-index
35
i10-index 85Top 9.3% in Materials Chemistry
Takeyoshi Onuma

What does Takeyoshi Onuma research?

Takeyoshi Onuma's work is mostly in Materials Science (44%), Physics and Astronomy (24%), Engineering (18%).

Physical Sciences: 217 works · 86.0% of their workMaterials Science: 111 works · 43.9% of their workMaterials Chemistry: 61 works · 24.1% of their workElectronic, Optical and Magnetic Materials: 50 works · 19.8% of their workPhysics and Astronomy: 61 works · 24.1% of their workCondensed Matter Physics: 41 works · 16.1% of their workAtomic and Molecular Physics, and Optics: 20 works · 8.0% of their workEngineering: 45 works · 18.0% of their workElectrical and Electronic Engineering: 33 works · 13.1% of their workBiomedical Engineering: 12 works · 4.9% of their workEverything else: 35 works · 14.0% of their workTHEIR WORKTakeyoshi Onuma252works
Physical Sciences86%

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. Materials Science11143.9%
    2. Physics and Astronomy6124.1%
    3. Engineering4518.0%
  2. Everything else3514.0%
  1. 1Materials Chemistry24% of their works
  2. 2Electronic, Optical and Magnetic Materials20% of their works
  3. 3Condensed Matter Physics16% of their works
  4. 4Electrical and Electronic Engineering13% of their works
  5. 5Atomic and Molecular Physics, and Optics8% of their works
  6. 6Biomedical Engineering5% of their works

Research topics

Which keywords describe Takeyoshi Onuma's research?

The keywords of their largest research topics: Nanowires, Photodetectors, Semiconductors, Semiconductor, Band Parameters, Gallium Oxide, Ultrawide Bandgap and III-Nitrides.

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.

All 22 words, with their numbers
  1. Nanowires2503 topics
  2. Photodetectors2362 topics
  3. Semiconductors2142 topics
  4. Semiconductor1913 topics
  5. Band Parameters1462 topics
  6. Gallium Oxide1321 topic
  7. Ultrawide Bandgap1321 topic
  8. III-Nitrides1101 topic
  9. Light-Emitting Diodes1101 topic
  10. Nanostructures1041 topic
  11. Zinc Oxide1041 topic
  12. Atomic Layer Deposition381 topic
  13. High-k Dielectrics381 topic
  14. Nanomaterials382 topics
  15. Quantum Dots361 topic
  16. Single-Photon Source361 topic
  17. Photocatalyst231 topic
  18. Visible Light231 topic
  19. Hydration Mechanism151 topic
  20. Magnesium-Based Cements151 topic
  21. Acoustic Wave Biosensors141 topic
  22. Thin Film Resonators141 topic

Where does Takeyoshi Onuma work?

Takeyoshi Onuma's main affiliation in the publication record is Kogakuin University, Japan.

How many publications and citations does Takeyoshi Onuma have?

OpenAlex counts 252 works and 7,255 citations for Takeyoshi Onuma, an h-index of 35, ranking #2,786,750 of 7,710,434 researchers worldwide on the quality score.

Ranked on field-normalised 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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