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Researcher · Okayama University of Science · Japan

Masaaki Hirai

Masaaki Hirai publishes mostly in Electrical and Electronic Engineering, Atomic and Molecular Physics, and Optics and Materials Chemistry, on topics such as Semiconductor materials and interfaces, Semiconductor materials and devices and Silicon Carbide Semiconductor Technologies.

OpenAlex
World rank
#1,144,655
of 1,633,909 ranked researchers
Rank in Japan
#68,455
of 114,622
Works
49
Citations
62
Citations per work
1.3

What does Masaaki Hirai research?

Electrical and Electronic Engineering: 29.6%Atomic and Molecular Physics, and Optics: 22.2%Materials Chemistry: 11.1%Electronic, Optical and Magnetic Materials: 7.4%other fields: 29.7%30%top field
Electrical and Electronic Engineering29.6%Atomic and Molecular Physics, and Optics22.2%Materials Chemistry11.1%Electronic, Optical and Magnetic Materials7.4%other fields29.7%

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 Engineering30% of their works
  2. 2Atomic and Molecular Physics, and Optics22% of their works
  3. 3Materials Chemistry11% of their works
  4. 4Electronic, Optical and Magnetic Materials7% of their works
  5. 5Surfaces, Coatings and Films6% of their works
  6. 6Condensed Matter Physics5% of their works

Research topics

Which keywords describe Masaaki Hirai's research?

The keywords of their largest research topics: Metal-Semiconductor Contacts, Schottky Barrier, Thin Films, Atomic Layer Deposition, High-k Dielectrics, Reliability, Wide Bandgap Semiconductors and Quantum Size Effects.

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 18 words, with their numbers
  1. Metal-Semiconductor Contacts101 topic
  2. Schottky Barrier101 topic
  3. Thin Films92 topics
  4. Atomic Layer Deposition81 topic
  5. High-k Dielectrics81 topic
  6. Reliability71 topic
  7. Wide Bandgap Semiconductors71 topic
  8. Quantum Size Effects61 topic
  9. Raman Spectroscopy62 topics
  10. Superconductivity61 topic
  11. Scanning Electron Microscopy41 topic
  12. X-ray Photoelectron Spectroscopy41 topic
  13. Graphene31 topic
  14. Low-k Dielectrics31 topic
  15. Microelectronics31 topic
  16. Nanodiamonds31 topic
  17. Quantum Sensing31 topic
  18. Two-Dimensional Materials31 topic

Where does Masaaki Hirai work?

Masaaki Hirai's main affiliation in the publication record is Okayama University of Science, Japan.

How many publications and citations does Masaaki Hirai have?

Science Explorer counts 49 works and 62 citations for Masaaki Hirai, ranking #1,144,655 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.