Akira Usui
Akira Usui publishes mostly in Geochemistry and Petrology, Atomic and Molecular Physics, and Optics and Electrical and Electronic Engineering, on topics such as Geochemistry and Elemental Analysis, Geomagnetism and Paleomagnetism Studies and Geology and Paleoclimatology Research.
- World rank
- #716,902 of 1,633,909 ranked researchers
- Rank in Japan
- #32,228 of 114,622
- Works
- 59
- Citations
- 211
- Citations per work
- 3.6
What does Akira Usui research?
Shares of their own output, by the field each of their topics belongs to. The grey slice is everything not listed.
- 1Geochemistry and Petrology20% of their works
- 2Atomic and Molecular Physics, and Optics13% of their works
- 3Electrical and Electronic Engineering11% of their works
- 4Atmospheric Science8% of their works
- 5Molecular Biology7% of their works
- 6Paleontology6% of their works
Research topics
- Geochemistry and Elemental Analysis
- Geomagnetism and Paleomagnetism Studies
- Geology and Paleoclimatology Research
- Semiconductor Quantum Structures and Devices
- Radioactive element chemistry and processing
- Paleontology and Stratigraphy of Fossils
- GaN-based semiconductor devices and materials
- Geological and Geochemical Analysis
Which keywords describe Akira Usui's research?
The keywords of their largest research topics: Manganese Oxides, Rare Earth Elements, Band Parameters, Nanowires, Climate Change, Geomagnetic Field, Magnetosome Formation and Paleoclimatology.
- Zircon
- Uranium
- Paleoredox
- III-Nitrides
- Semiconductor
- Paleoclimatology
- Geomagnetic Field
- Nanowires
- Rare Earth Elements
- Manganese Oxides
- Band Parameters
- Climate Change
- Magnetosome Formation
- Quantum Dots
- Actinides
- Paleoproductivity
- Semiconductors
- Geochronology
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
- Manganese Oxides181 topic
- Rare Earth Elements181 topic
- Band Parameters112 topics
- Nanowires112 topics
- Climate Change61 topic
- Geomagnetic Field61 topic
- Magnetosome Formation61 topic
- Paleoclimatology61 topic
- Quantum Dots61 topic
- Semiconductor61 topic
- Actinides51 topic
- III-Nitrides51 topic
- Paleoproductivity51 topic
- Paleoredox51 topic
- Semiconductors51 topic
- Uranium51 topic
- Geochronology41 topic
- Zircon41 topic
Where does Akira Usui work?
Akira Usui's main affiliation in the publication record is Geological Survey of Japan, Japan.
How many publications and citations does Akira Usui have?
Science Explorer counts 59 works and 211 citations for Akira Usui, ranking #716,902 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.