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Researcher · University of Cologne · Germany

H. Happ

H. Happ publishes mostly in Materials Chemistry, Atomic and Molecular Physics, and Optics and Biomedical Engineering, on topics such as Solid-state spectroscopy and crystallography, Acoustic Wave Resonator Technologies and Nonlinear Optical Materials Research.

OpenAlex
World rank
#5,766,522
of 7,710,434 ranked researchers
Rank in Germany
#296,287
of 364,343
Works
41
Citations
602
Citations per work
14.7
h-index
15
i10-index 23Top 44% in Materials Chemistry
H. Happ

What does H. Happ research?

H. Happ's work is mostly in Materials Science (40%), Engineering (20%), Physics and Astronomy (18%).

Physical Sciences: 34 works · 84.1% of their workMaterials Science: 16 works · 40.2% of their workMaterials Chemistry: 11 works · 26.2% of their workElectronic, Optical and Magnetic Materials: 6 works · 14.0% of their workEngineering: 8 works · 19.6% of their workBiomedical Engineering: 6 works · 14.0% of their workElectrical and Electronic Engineering: 2 works · 5.6% of their workPhysics and Astronomy: 7 works · 17.8% of their workAtomic and Molecular Physics, and Optics: 7 works · 17.8% of their workChemistry: 3 works · 6.5% of their workSpectroscopy: 3 works · 6.5% of their workEverything else: 7 works · 15.9% of their workTHEIR WORKH. Happ41works
Physical Sciences84%

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. Materials Science1640.2%
    2. Engineering819.6%
    3. Physics and Astronomy717.8%
    4. Chemistry36.5%
  2. Everything else715.9%
  1. 1Materials Chemistry26% of their works
  2. 2Atomic and Molecular Physics, and Optics18% of their works
  3. 3Biomedical Engineering14% of their works
  4. 4Electronic, Optical and Magnetic Materials14% of their works
  5. 5Spectroscopy6% of their works
  6. 6Electrical and Electronic Engineering6% of their works

Research topics

Which keywords describe H. Happ's research?

The keywords of their largest research topics: Protonic Conduction, Solid Acids, Acoustic Wave Biosensors, Thin Film Resonators, Nonlinear Optical Materials, Second Harmonic Generation, Computational Chemistry and Electro-Optic Modulators.

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 18 words, with their numbers
  1. Protonic Conduction241 topic
  2. Solid Acids241 topic
  3. Acoustic Wave Biosensors131 topic
  4. Thin Film Resonators131 topic
  5. Nonlinear Optical Materials112 topics
  6. Second Harmonic Generation112 topics
  7. Computational Chemistry71 topic
  8. Electro-Optic Modulators71 topic
  9. Lithium Niobate61 topic
  10. Photonics61 topic
  11. Spectroscopic Databases51 topic
  12. Terahertz Quantum-Cascade Lasers51 topic
  13. Acousto-Optic41 topic
  14. Crystallographic Computing41 topic
  15. Crystals41 topic
  16. Deep-Ultraviolet Materials41 topic
  17. Quantum Dots31 topic
  18. Semiconductor31 topic

Where does H. Happ work?

H. Happ's main affiliation in the publication record is University of Cologne, Germany.

How many publications and citations does H. Happ have?

OpenAlex counts 41 works and 602 citations for H. Happ, an h-index of 15, ranking #5,766,522 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.

Discussion

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