S. Usui
S. Usui publishes mostly in Electrical and Electronic Engineering, Materials Chemistry and Computational Mechanics, on topics such as Thin-Film Transistor Technologies, Silicon and Solar Cell Technologies and Laser Material Processing Techniques.
- World rank
- #1,069,575 of 7,710,434 ranked researchers
- Rank in Japan
- #14,767 of 383,136
- Works
- 60
- Citations
- 2.5k
- Citations per work
- 40.8
What does S. Usui research?
S. Usui's work is mostly in Engineering (68%), Materials Science (18%), Physics and Astronomy (7%).
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
- Physical Sciences5692.6%
- Engineering4168.0%
- Materials Science1117.7%
- Physics and Astronomy46.9%
- Everything else47.4%
- 1Electrical and Electronic Engineering50% of their works
- 2Materials Chemistry17% of their works
- 3Computational Mechanics13% of their works
- 4Atomic and Molecular Physics, and Optics7% of their works
- 5Biomedical Engineering6% of their works
- 6Electronic, Optical and Magnetic Materials1% of their works
Research topics
- Thin-Film Transistor Technologies
- Silicon and Solar Cell Technologies
- Laser Material Processing Techniques
- Silicon Nanostructures and Photoluminescence
- Semiconductor materials and devices
- Phase-change materials and chalcogenides
- Nanowire Synthesis and Applications
- Advanced Semiconductor Detectors and Materials
Which keywords describe S. Usui's research?
The keywords of their largest research topics: Solar Cells, Plasmonics, Thin-Film Transistors, Efficiency, Silicon, Optical Properties, Femtosecond Laser and Micromachining.
- Semiconductor Materials
- Nanosensors
- Phase Change Materials
- High-k Dielectrics
- Porous Silicon
- Micromachining
- Optical Properties
- Efficiency
- Plasmonics
- Solar Cells
- Thin-Film Transistors
- Silicon
- Femtosecond Laser
- Nanoparticles
- Atomic Layer Deposition
- Non-Volatile Memory
- Infrared Detectors
- Nanowire
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 18 words, with their numbers
- Solar Cells633 topics
- Plasmonics341 topic
- Thin-Film Transistors341 topic
- Efficiency241 topic
- Silicon241 topic
- Optical Properties232 topics
- Femtosecond Laser181 topic
- Micromachining181 topic
- Nanoparticles171 topic
- Porous Silicon171 topic
- Atomic Layer Deposition61 topic
- High-k Dielectrics61 topic
- Non-Volatile Memory61 topic
- Phase Change Materials61 topic
- Infrared Detectors51 topic
- Nanosensors51 topic
- Nanowire51 topic
- Semiconductor Materials51 topic
Where does S. Usui work?
S. Usui's main affiliation in the publication record is Fujitsu (Japan), Japan.
How many publications and citations does S. Usui have?
OpenAlex counts 60 works and 2,450 citations for S. Usui, an h-index of 21, ranking #1,069,575 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.
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