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Researcher · Rikkyo University · Japan

Takato Hirayama

Takato Hirayama publishes mostly in Atomic and Molecular Physics, and Optics, Spectroscopy and Radiation, on topics such as Atomic and Molecular Physics, Advanced Chemical Physics Studies and Mass Spectrometry Techniques and Applications.

OpenAlex
World rank
#7,331,397
of 7,710,434 ranked researchers
Rank in Japan
#339,496
of 383,136
Works
54
Citations
344
Citations per work
6.4
h-index
11
i10-index 12Top 54% in Atomic and Molecular Physics, and Optics
Takato Hirayama

What does Takato Hirayama research?

Takato Hirayama's work is mostly in Physics and Astronomy (43%), Engineering (12%), Chemistry (12%).

Physical Sciences: 41 works · 75.3% of their workPhysics and Astronomy: 23 works · 42.5% of their workAtomic and Molecular Physics, and Optics: 18 works · 33.6% of their workRadiation: 5 works · 8.9% of their workEngineering: 7 works · 12.3% of their workComputational Mechanics: 4 works · 6.8% of their workMechanics of Materials: 3 works · 5.5% of their workChemistry: 6 works · 11.6% of their workSpectroscopy: 6 works · 11.6% of their workMaterials Science: 5 works · 8.9% of their workMaterials Chemistry: 5 works · 8.9% of their workEverything else: 13 works · 24.7% of their workTHEIR WORKTakato Hirayama54works
Physical Sciences75%

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. Physics and Astronomy2342.5%
    2. Engineering712.3%
    3. Chemistry611.6%
    4. Materials Science58.9%
  2. Everything else1324.7%
  1. 1Atomic and Molecular Physics, and Optics34% of their works
  2. 2Spectroscopy12% of their works
  3. 3Radiation9% of their works
  4. 4Materials Chemistry9% of their works
  5. 5Computational Mechanics7% of their works
  6. 6Mechanics of Materials6% of their works

Research topics

Which keywords describe Takato Hirayama's research?

The keywords of their largest research topics: DNA Strand Breaks, Low-Energy Electrons, Density Functional Theory, Dispersion Correction, Ionization, Mass Spectrometry, Spectroscopy and Ion Beam.

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 17 words, with their numbers
  1. DNA Strand Breaks181 topic
  2. Low-Energy Electrons181 topic
  3. Density Functional Theory171 topic
  4. Dispersion Correction171 topic
  5. Ionization131 topic
  6. Mass Spectrometry131 topic
  7. Spectroscopy122 topics
  8. Ion Beam101 topic
  9. Surface Analysis101 topic
  10. Material Analysis61 topic
  11. Neutron Imaging61 topic
  12. Plasma61 topic
  13. Small-Angle Scattering61 topic
  14. X-ray Absorption61 topic
  15. X-ray Emission61 topic
  16. Nanodiamonds51 topic
  17. Quantum Sensing51 topic

Where does Takato Hirayama work?

Takato Hirayama's main affiliation in the publication record is Rikkyo University, Japan.

How many publications and citations does Takato Hirayama have?

OpenAlex counts 54 works and 344 citations for Takato Hirayama, an h-index of 11, ranking #7,331,397 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.

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