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Researcher · AT&T (United States) · United States

D. R. Hamann

D. R. Hamann publishes mostly in Atomic and Molecular Physics, and Optics, Condensed Matter Physics and Materials Chemistry, on topics such as Advanced Chemical Physics Studies, Physics of Superconductivity and Magnetism and Surface and Thin Film Phenomena.

OpenAlex
World rank
#7,120
of 1,633,909 ranked researchers
Rank in United States
#3,448
of 358,040
Works
54
Citations
3.8k
Citations per work
70.0

What does D. R. Hamann research?

Atomic and Molecular Physics, and Optics: 38.9%Condensed Matter Physics: 15.0%Materials Chemistry: 8.8%Electronic, Optical and Magnetic Materials: 7.1%other fields: 30.2%39%top field
Atomic and Molecular Physics, and Optics38.9%Condensed Matter Physics15.0%Materials Chemistry8.8%Electronic, Optical and Magnetic Materials7.1%other fields30.2%

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

  1. 1Atomic and Molecular Physics, and Optics39% of their works
  2. 2Condensed Matter Physics15% of their works
  3. 3Materials Chemistry9% of their works
  4. 4Electronic, Optical and Magnetic Materials7% of their works
  5. 5Electrical and Electronic Engineering4% of their works
  6. 6Biomedical Engineering4% of their works

Research topics

Which keywords describe D. R. Hamann's research?

The keywords of their largest research topics: Electronic Structure Calculations, Density Functional Theory, Dispersion Correction, Superconductivity, Electronic Structure, Cuprate Superconductors, High-Temperature Superconductivity 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 19 words, with their numbers
  1. Electronic Structure Calculations262 topics
  2. Density Functional Theory161 topic
  3. Dispersion Correction161 topic
  4. Superconductivity143 topics
  5. Electronic Structure112 topics
  6. Cuprate Superconductors101 topic
  7. High-Temperature Superconductivity101 topic
  8. Quantum Size Effects81 topic
  9. Thin Films81 topic
  10. Semiconductor Quantum Dots61 topic
  11. Spintronics61 topic
  12. Helium Nanodroplets41 topic
  13. Quantum Turbulence41 topic
  14. Scanning Electron Microscopy41 topic
  15. X-ray Photoelectron Spectroscopy41 topic
  16. Crystal Structure Prediction31 topic
  17. High-Temperature31 topic
  18. Iron-Based31 topic
  19. Mantle Dynamics31 topic

Where does D. R. Hamann work?

D. R. Hamann's main affiliation in the publication record is AT&T (United States), United States.

How many publications and citations does D. R. Hamann have?

Science Explorer counts 54 works and 3,781 citations for D. R. Hamann, ranking #7,120 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.