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J. S. Helman

J. S. Helman publishes mostly in Condensed Matter Physics, Atomic and Molecular Physics, and Optics and Materials Chemistry, on topics such as Theoretical and Computational Physics, History and advancements in chemistry and Photocathodes and Microchannel Plates.

World rank
#260,353
of 1,633,909 ranked researchers
Rank in Brazil
#2,014
of 38,702
Works
21
Citations
125
Citations per work
6.0

What does J. S. Helman research?

Condensed Matter Physics: 35.3%Atomic and Molecular Physics, and Optics: 29.4%Materials Chemistry: 17.6%Biomedical Engineering: 11.8%other fields: 5.9%35%top field
Condensed Matter Physics35.3%Atomic and Molecular Physics, and Optics29.4%Materials Chemistry17.6%Biomedical Engineering11.8%other fields5.9%

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

  1. 1Condensed Matter Physics35% of their works
  2. 2Atomic and Molecular Physics, and Optics29% of their works
  3. 3Materials Chemistry18% of their works
  4. 4Biomedical Engineering12% of their works
  5. 5Physical and Theoretical Chemistry6% of their works

Research topics

Which keywords describe J. S. Helman's research?

The keywords of their largest research topics: Critical Phenomena, Phase Transitions, Nanoparticles, Characterization, DNA Strand Breaks, Electron Sources, Ferrofluids and Glass Transition.

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. Critical Phenomena41 topic
  2. Phase Transitions41 topic
  3. Nanoparticles22 topics
  4. Characterization11 topic
  5. DNA Strand Breaks11 topic
  6. Electron Sources11 topic
  7. Ferrofluids11 topic
  8. Glass Transition11 topic
  9. Low-Energy Electrons11 topic
  10. Machine Learning11 topic
  11. Magnetic Particle Imaging11 topic
  12. Materials Informatics11 topic
  13. Partially Ordered Sets11 topic
  14. Periodic Table11 topic
  15. Photocathodes11 topic
  16. Supercooled Liquids11 topic
  17. Synthesis11 topic

Where does J. S. Helman work?

J. S. Helman's main affiliation in the publication record is Centro Brasileiro de Pesquisas Físicas, Brazil.

How many publications and citations does J. S. Helman have?

Science Explorer counts 21 works and 125 citations for J. S. Helman, ranking #260,353 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.