Science Explorer Back to mapMap
Discussion
Researcher · AT&T (United States) · United States

Donald R. Hamann

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

ORCID 0009-0008-3625-0913 OpenAlex
World rank
#16,024
of 7,710,434 ranked researchers
Rank in United States
#5,721
of 1,627,098
Works
212
Citations
44k
Citations per work
208.7
h-index
79
i10-index 166Top 0.3% in Atomic and Molecular Physics, and Optics
Donald R. Hamann

What does Donald R. Hamann research?

Donald R. Hamann's work is mostly in Physics and Astronomy (48%), Materials Science (21%), Engineering (8%).

Physical Sciences: 164 works · 77.4% of their workPhysics and Astronomy: 102 works · 48.3% of their workAtomic and Molecular Physics, and Optics: 80 works · 37.7% of their workCondensed Matter Physics: 22 works · 10.6% of their workMaterials Science: 45 works · 21.0% of their workMaterials Chemistry: 29 works · 13.7% of their workSurfaces, Coatings and Films: 8 works · 3.7% of their workElectronic, Optical and Magnetic Materials: 8 works · 3.6% of their workEngineering: 17 works · 8.1% of their workElectrical and Electronic Engineering: 17 works · 8.1% of their workEverything else: 48 works · 22.6% of their workTHEIR WORKDonald R. Hamann212works
Physical Sciences77%

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 Astronomy10248.3%
    2. Materials Science4521.0%
    3. Engineering178.1%
  2. Everything else4822.6%
  1. 1Atomic and Molecular Physics, and Optics38% of their works
  2. 2Materials Chemistry14% of their works
  3. 3Condensed Matter Physics11% of their works
  4. 4Electrical and Electronic Engineering8% of their works
  5. 5Surfaces, Coatings and Films4% of their works
  6. 6Electronic, Optical and Magnetic Materials4% of their works

Research topics

Which keywords describe Donald R. Hamann's research?

The keywords of their largest research topics: Electronic Structure Calculations, Density Functional Theory, Dispersion Correction, Superconductivity, Quantum Size Effects, Thin Films, Cuprate Superconductors and High-Temperature Superconductivity.

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
  1. Electronic Structure Calculations1152 topics
  2. Density Functional Theory801 topic
  3. Dispersion Correction801 topic
  4. Superconductivity752 topics
  5. Quantum Size Effects591 topic
  6. Thin Films591 topic
  7. Cuprate Superconductors351 topic
  8. High-Temperature Superconductivity351 topic
  9. Atomic Layer Deposition241 topic
  10. High-k Dielectrics241 topic
  11. Metal-Semiconductor Contacts241 topic
  12. Schottky Barrier241 topic
  13. Scanning Electron Microscopy231 topic
  14. X-ray Photoelectron Spectroscopy231 topic
  15. Semiconductor Quantum Dots201 topic
  16. Spintronics201 topic
  17. Crystal Structure Prediction161 topic
  18. Mantle Dynamics161 topic

Where does Donald R. Hamann work?

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

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

OpenAlex counts 212 works and 44,254 citations for Donald R. Hamann, an h-index of 79, ranking #16,024 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.

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.

Discussion

Ask a question or share a note about Donald R. Hamann. Keep it to the research: no personal attacks, advertising or links. Any reader can report a post, which collapses it for everyone until it is opened.