Science Explorer Interactive view Map
Researcher · Saitama University · Japan

Hajime Shirai

Hajime Shirai publishes mostly in Electrical and Electronic Engineering, Materials Chemistry and Oral Surgery, on topics such as Thin-Film Transistor Technologies, Silicon Nanostructures and Photoluminescence and Silicon and Solar Cell Technologies.

ORCID 0000-0002-1416-9742 OpenAlex
World rank
#698,322
of 1,633,909 ranked researchers
Rank in Japan
#30,930
of 114,622
Works
101
Citations
182
Citations per work
1.8

What does Hajime Shirai research?

Electrical and Electronic Engineering: 35.3%Materials Chemistry: 21.0%Oral Surgery: 6.7%Atomic and Molecular Physics, and Optics: 5.9%other fields: 31.1%35%top field
Electrical and Electronic Engineering35.3%Materials Chemistry21.0%Oral Surgery6.7%Atomic and Molecular Physics, and Optics5.9%other fields31.1%

Shares of their own output, by the field each of their topics belongs to. The grey slice is everything not listed.

  1. 1Electrical and Electronic Engineering35% of their works
  2. 2Materials Chemistry21% of their works
  3. 3Oral Surgery7% of their works
  4. 4Atomic and Molecular Physics, and Optics6% of their works
  5. 5Biomedical Engineering4% of their works
  6. 6Complementary and Manual Therapy3% of their works

Research topics

Which keywords describe Hajime Shirai's research?

The keywords of their largest research topics: Solar Cells, Efficiency, Photovoltaics, Plasmonics, Thin-Film Transistors, Nanoparticles, Porous Silicon and Semiconductor.

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 20 words, with their numbers
  1. Solar Cells364 topics
  2. Efficiency162 topics
  3. Photovoltaics162 topics
  4. Plasmonics151 topic
  5. Thin-Film Transistors151 topic
  6. Nanoparticles141 topic
  7. Porous Silicon141 topic
  8. Semiconductor112 topics
  9. Passivation101 topic
  10. Silicon101 topic
  11. Dental Implants81 topic
  12. Peri-implant Diseases81 topic
  13. CZTS61 topic
  14. Metal-Semiconductor Contacts61 topic
  15. Schottky Barrier61 topic
  16. Thin-Film Solar Cells61 topic
  17. Nanosensors51 topic
  18. Nanowire51 topic
  19. Bruxism41 topic
  20. Temporomandibular Disorders41 topic

Where does Hajime Shirai work?

Hajime Shirai's main affiliation in the publication record is Saitama University, Japan.

How many publications and citations does Hajime Shirai have?

Science Explorer counts 101 works and 182 citations for Hajime Shirai, ranking #698,322 of 1,633,909 researchers worldwide on the composite 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 are in the interactive view on the map. Is this your page? Request a correction or removal.