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Researcher · University of Stuttgart · Germany

Gregory J. Hanna

Gregory J. Hanna publishes mostly in Materials Chemistry, Electrical and Electronic Engineering and Aerospace Engineering, on topics such as Chalcogenide Semiconductor Thin Films, Quantum Dots Synthesis And Properties and Spacecraft and Cryogenic Technologies.

OpenAlex
World rank
#1,178,432
of 7,710,434 ranked researchers
Rank in Germany
#58,003
of 364,343
Works
25
Citations
1.1k
Citations per work
44.9
h-index
14
i10-index 14Top 48% in Materials Chemistry
Gregory J. Hanna

What does Gregory J. Hanna research?

Gregory J. Hanna's work is mostly in Engineering (42%), Materials Science (27%), Physics and Astronomy (6%).

Physical Sciences: 19 works · 75.3% of their workEngineering: 11 works · 42.4% of their workElectrical and Electronic Engineering: 5 works · 21.9% of their workAerospace Engineering: 3 works · 12.3% of their workBiomedical Engineering: 1 works · 4.1% of their workMechanical Engineering: 1 works · 4.1% of their workMaterials Science: 7 works · 27.4% of their workMaterials Chemistry: 7 works · 27.4% of their workPhysics and Astronomy: 1 works · 5.5% of their workAtomic and Molecular Physics, and Optics: 1 works · 5.5% of their workEverything else: 6 works · 24.7% of their workTHEIR WORKGregory J. Hanna25works
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. Engineering1142.4%
    2. Materials Science727.4%
    3. Physics and Astronomy15.5%
  2. Everything else624.7%
  1. 1Materials Chemistry27% of their works
  2. 2Electrical and Electronic Engineering22% of their works
  3. 3Aerospace Engineering12% of their works
  4. 4Atomic and Molecular Physics, and Optics6% of their works
  5. 5Biomedical Engineering4% of their works
  6. 6Mechanical Engineering4% of their works

Research topics

Which keywords describe Gregory J. Hanna's research?

The keywords of their largest research topics: Nanocrystals, Photovoltaics, Solar Cells, Efficiency, CZTS, Thin-Film Solar Cells, Bioimaging and Quantum Dots.

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 20 words, with their numbers
  1. Nanocrystals283 topics
  2. Photovoltaics263 topics
  3. Solar Cells173 topics
  4. Efficiency152 topics
  5. CZTS131 topic
  6. Thin-Film Solar Cells131 topic
  7. Bioimaging111 topic
  8. Quantum Dots111 topic
  9. Cryogenic Storage61 topic
  10. Liquefied Natural Gas (LNG)61 topic
  11. Cu2O41 topic
  12. CuO41 topic
  13. Metal-Semiconductor Contacts41 topic
  14. Schottky Barrier41 topic
  15. Heat Transfer31 topic
  16. Supercritical Fluids31 topic
  17. Droplet Formation21 topic
  18. Microfluidics21 topic
  19. Passivation21 topic
  20. Silicon21 topic

Where does Gregory J. Hanna work?

Gregory J. Hanna's main affiliation in the publication record is University of Stuttgart, Germany.

How many publications and citations does Gregory J. Hanna have?

OpenAlex counts 25 works and 1,122 citations for Gregory J. Hanna, an h-index of 14, ranking #1,178,432 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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