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Company · Iserlohn · Germany

Kirchhoff (Germany)

In research, Kirchhoff (Germany) stands highest in Physical Sciences (#4,672 of 12,888 worldwide), 2022–2025. Relative to its size it is most specialised in Physics and Astronomy — Physics and Astronomy is 9.3× its share of world research.

kirchhoff-automotive.comROR OpenAlex
World rank, 2022–2025
#7,272
of 28,054 · #6,130 all time
Rank in Germany
#298
of 1,178
Research works
831
▲ 20% vs 2013–17
Citations
19k
23.4 per fractional work
Top-10% rate
14.3%
record average 16.5%
Open access
33%
world 28%

What is Kirchhoff (Germany) known for in research?

The fields where it stands highest, 2022–2025, ranked among every institution above the floor in each field.

FieldWorld rankWhere that sitsTop-10% rateWorksAll time
Physical SciencesDomain #4,672 of 12,888 12.4%112 #4087

Each strip is that field’s whole ranked pool, with the notch where Kirchhoff (Germany) sits in it, in the colour of the band that rank falls in. The track under the rate is the rate itself: it carries no world mark, because the world rate differs by field (from about 6% to 21% in this record).

What does Kirchhoff (Germany) specialise in?

Where its research is concentrated relative to its size: Physics and Astronomy takes 9.3× the share of its output that it takes of world research.

  1. Physics and AstronomyField · 29.6 works9.3×
← less than its size predicts1×more →

Location quotient, a volume reading rather than an impact one. It surfaces small, lopsided specialities.

Field profile

Location quotient across every field it publishes in: outside the ring is more than an institution of this size would be expected to publish, inside it is less.

Agricultural and Biological Sciences: 0.74× its world share, 5 worksAgricultural and Bio…Biochemistry, Genetics and Molecular Biology: 1.33× its world share, 10 worksBiochemistry, Geneti…Immunology and Microbiology: 0.06× its world share, 0 worksImmunology and Micro…Neuroscience: 1.83× its world share, 4 worksNeurosciencePharmacology, Toxicology and Pharmaceutics: 0.28× its world share, 0 worksPharmacology, Toxico…Chemical Engineering: 1.07× its world share, 0 worksChemical EngineeringChemistry: 2.75× its world share, 6 worksChemistryComputer Science: 0.65× its world share, 7 worksComputer ScienceEarth and Planetary Sciences: 0.35× its world share, 1 worksEarth and Planetary …Energy: 0.34× its world share, 0 worksEnergyEngineering: 2.10× its world share, 45 worksEngineeringEnvironmental Science: 0.59× its world share, 4 worksEnvironmental ScienceMaterials Science: 3.56× its world share, 18 worksMaterials ScienceMathematics: 0.10× its world share, 0 worksMathematicsPhysics and Astronomy: 9.34× its world share, 30 worksPhysics and AstronomyHealth Professions: 0.04× its world share, 0 worksHealth ProfessionsMedicine: 0.19× its world share, 5 worksMedicineNursing: 0.24× its world share, 0 worksNursingVeterinary: 0.34× its world share, 0 worksVeterinaryArts and Humanities: 0.03× its world share, 0 worksArts and HumanitiesBusiness, Management and Accounting: 0.44× its world share, 2 worksBusiness, Management…Decision Sciences: 0.12× its world share, 0 worksDecision SciencesEconomics, Econometrics and Finance: 0.15× its world share, 0 worksEconomics, Econometr…Psychology: 0.08× its world share, 0 worksPsychologySocial Sciences: 0.15× its world share, 3 worksSocial Sciences1×world share
more than its size predictsabout as predictedless

Rings at 0.5×, 1× and 2×. Widest outward: Physics and Astronomy, 9.3×. Every wedge is a field page.

Which keywords describe research at Kirchhoff (Germany)?

By fractional works in 2022–2025, weighted toward what it does more of than the world: Nanowires, Semiconductor Lasers, Semiconductors, Band Parameters, Biosensors, Semiconductor, Raman Lasers and Optical Modulators.

▲ more of its work than of the world’s◆ about the world’s share▼ less than the world’s

Size is fractional works in 2022–2025 in the topics tagged with each word; colour is the word's share of this institution's work against its share of the world's. The 40 words are chosen for being large and distinctive. Each links to the topic it comes from most.

All 40 words, with their numbers
  1. Nanowires10▲ 47×3 topics
  2. Semiconductor Lasers9▲ 98×2 topics
  3. Semiconductors8▲ 18×5 topics
  4. Band Parameters8▲ 101×2 topics
  5. Biosensors8▲ 11×9 topics
  6. Semiconductor7▲ 15×7 topics
  7. Raman Lasers6▲ 40×2 topics
  8. Optical Modulators6▲ 30×3 topics
  9. Silicon Photonics6▲ 41×2 topics
  10. Integrated Circuits6▲ 27×3 topics
  11. Thin Films6▲ 22×6 topics
  12. Field-Effect Transistors6▲ 26×4 topics
  13. GaN6▲ 120×2 topics
  14. Microcavities6▲ 38×2 topics
  15. Nanophotonic Waveguides6▲ 42×1 topic
  16. Whispering Gallery Mode6▲ 42×1 topic
  17. Neuromorphic Computing6▲ 34×2 topics
  18. Optical Interconnects6▲ 106×1 topic
  19. Vertical-Cavity Surface-Emitting Lasers (VCSELs)6▲ 106×1 topic
  20. Crystal Growth6▲ 14×6 topics
  21. Light-Emitting Diodes5▲ 24×2 topics
  22. Photodetectors5▲ 43×2 topics
  23. Solid-State Lighting5▲ 46×2 topics
  24. AlGaN/GaN HEMTs5▲ 114×1 topic
  25. III-Nitrides5▲ 114×1 topic
  26. Non-Volatile Memory4▲ 33×2 topics
  27. Synaptic Plasticity4▲ 13×2 topics
  28. Nanostructures4▲ 7.0×9 topics
  29. Nonlinear Dynamics4▲ 13×2 topics
  30. Memristor4▲ 32×1 topic
  31. Power Devices4▲ 40×2 topics
  32. Resistive Switching4▲ 32×1 topic
  33. Neuromorphic Photonics4▲ 88×1 topic
  34. Photonic Reservoir Computing4▲ 88×1 topic
  35. Epitaxial Growth4▲ 55×2 topics
  36. Doping3▲ 26×2 topics
  37. Gallium Oxide3▲ 88×1 topic
  38. Ultrawide Bandgap3▲ 88×1 topic
  39. Photovoltaics3▲ 14×4 topics
  40. Quantum Dots3▲ 22×2 topics

Which research topics does Kirchhoff (Germany) publish most on?

By volume in 2022–2025: Photonic and Optical Devices, Semiconductor Lasers and Optical Devices, GaN-based semiconductor devices and materials and Advanced Memory and Neural Computing.

Photonic and Optical Devices: 6 fractional worksSemiconductor Lasers and Optical Devices: 6 fractional worksGaN-based semiconductor …5GaN-based semiconductor devices and materials: 5 fractional worksAdvanced Memory and Neur…4Advanced Memory and Neural Computing: 4 fractional worksNeural Networks and Reservoir Computing: 4 fractional worksGa2O3 and related materials: 3 fractional worksSemiconductor Quantum St…3Semiconductor Quantum Structures and Devices: 3 fractional worksAdvanced Fiber Laser Technologies: 2 fractional worksOptical Network Technologies: 2 fractional worksNeural dynamics and brain function: 2 fractional works
Electrical and Electronic EngineeringCondensed Matter PhysicsArtificial IntelligenceElectronic, Optical and Magnetic Materials2 others

Area is fractional works; colour is the subfield each topic belongs to.

  1. 1 Photonic and Optical Devices Electrical and Electronic Engineering 6 works
  2. 2 Semiconductor Lasers and Optical Devices Electrical and Electronic Engineering 6 works
  3. 3 GaN-based semiconductor devices and materials Condensed Matter Physics 5 works
  4. 4 Advanced Memory and Neural Computing Electrical and Electronic Engineering 4 works
  5. 5 Neural Networks and Reservoir Computing Artificial Intelligence 4 works
  6. 6 Ga2O3 and related materials Electronic, Optical and Magnetic Materials 3 works
  7. 7 Semiconductor Quantum Structures and Devices Atomic and Molecular Physics, and Optics 3 works
  8. 8 Advanced Fiber Laser Technologies Atomic and Molecular Physics, and Optics 2 works
  9. 9 Optical Network Technologies Electrical and Electronic Engineering 2 works
  10. 10 Neural dynamics and brain function Cognitive Neuroscience 2 works

How open and international is its research?

Against the world’s own shares — the tick on each track. Both are shares of its output, so they sit on one scale and can be read against each other as well as against the world.

openly available33.0%not open67.0%

World: 28% of research is openly available.

with international co-authors28.4%domestic only71.6%

World: 19% is written across borders.

How has Kirchhoff (Germany)'s research output changed?

Output in 2018–2022 was 20% higher than in 2013–2017.

1990200020102020
grewheldshrank

The same series as a ribbon — one cell per year, darker for more. The line above answers how much; this answers when.

Other research institutions in Iserlohn

All research institutions in Iserlohn

Research measures only: rankings here say nothing about teaching, admissions or student experience. Comparable institutions and collaboration partners are in the interactive view on the map.