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Company · Warsaw · Poland

TopGaN (Poland)

topganlasers.comROR OpenAlex
Research works
108
▼ 34% vs 2013–17
Citations
1.3k
11.6 per fractional work
Top-10% rate
2.4%
record average 16.5%
Open access
19%
world 28%

Not ranked overall: TopGaN (Poland) is under the volume floor below which an excellence rate is noise. Not ranked is not the same as ranked last.

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.

Chemistry: 1.36× its world share, 0 worksChemistryComputer Science: 0.20× its world share, 0 worksComputer ScienceEngineering: 2.14× its world share, 3 worksEngineeringMaterials Science: 1.57× its world share, 0 worksMaterials SciencePhysics and Astronomy: 25.60× its world share, 5 worksPhysics and AstronomyMedicine: 0.09× its world share, 0 worksMedicine1×world share
more than its size predictsabout as predictedless

Rings at 0.5×, 1× and 2×. Widest outward: Physics and Astronomy, 25.6×. Every wedge is a field page.

Who are the top researchers at TopGaN (Poland)?

Ranked on the composite score, Stephen P. Najda and Szymon Stańczyk lead among researchers whose main affiliation is TopGaN (Poland).

  1. 1 Stephen P. Najda Poland · #338,437 worldwide 101 citations · 30 works
  2. 2 Szymon Stańczyk Poland · #938,556 worldwide 33 citations · 25 works
All ranked researchers at TopGaN (Poland)

Which keywords describe research at TopGaN (Poland)?

By fractional works in all years, weighted toward what it does more of than the world: Nanowires, Band Parameters, Semiconductors, GaN, III-Nitrides, Light-Emitting Diodes, Semiconductor and Photovoltaics.

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

Size is fractional works in all years 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. Nanowires52▲ 205×3 topics
  2. Band Parameters48▲ 360×2 topics
  3. Semiconductors35▲ 124×3 topics
  4. GaN32▲ 571×2 topics
  5. III-Nitrides30▲ 637×1 topic
  6. Light-Emitting Diodes30▲ 219×1 topic
  7. Semiconductor24▲ 68×5 topics
  8. Photovoltaics18▲ 66×3 topics
  9. Quantum Dots18▲ 104×2 topics
  10. Excitons18▲ 205×1 topic
  11. Single-Photon Source18▲ 205×1 topic
  12. Optical Interconnects10▲ 115×1 topic
  13. Semiconductor Lasers10▲ 96×2 topics
  14. Vertical-Cavity Surface-Emitting Lasers (VCSELs)10▲ 115×1 topic
  15. Thin Films10▲ 33×3 topics
  16. Photodetectors9▲ 86×2 topics
  17. Power Devices6▲ 73×2 topics
  18. Nanostructures6▲ 11×5 topics
  19. Semiconductor Devices5▲ 37×2 topics
  20. Atomic Layer Deposition5▲ 36×1 topic
  21. High-k Dielectrics5▲ 36×1 topic
  22. Epitaxial Growth5▲ 58×2 topics
  23. Nanocomposites5▲ 5.9×2 topics
  24. Crystal Growth5▲ 13×4 topics
  25. Field-Effect Transistors5▲ 24×2 topics
  26. X-ray Photoelectron Spectroscopy5▲ 32×2 topics
  27. Coatings5▲ 50×1 topic
  28. Nanoindentation5▲ 53×1 topic
  29. Gallium Oxide5▲ 151×1 topic
  30. Ultrawide Bandgap5▲ 151×1 topic
  31. Spintronics4▲ 20×2 topics
  32. Transparent Conductors4▲ 29×2 topics
  33. Ferromagnetism4▲ 57×1 topic
  34. Zinc Oxide4▲ 59×1 topic
  35. Biosensors4▲ 6.6×4 topics
  36. Solar Cells3▲ 9.6×6 topics
  37. Atomic Clocks3▲ 223×1 topic
  38. Bose-Einstein Condensation3▲ 43×2 topics
  39. Optical Clocks3▲ 223×1 topic
  40. Atomic Magnetometer3▲ 51×1 topic

Which research topics does TopGaN (Poland) publish most on?

By volume in 2022–2025: GaN-based semiconductor devices and materials, Semiconductor Quantum Structures and Devices, Advanced Frequency and Time Standards and Atomic and Subatomic Physics Research.

GaN-based semiconductor devices and materials: 1 fractional worksSemiconductor Quantum Structures and Devices: 1 fractional worksAdvanced Frequency and T…1Advanced Frequency and Time Standards: 1 fractional worksAtomic and Subatomic Phy…1Atomic and Subatomic Physics Research: 1 fractional worksSemiconductor Lasers and Optical Devices: 1 fractional worksCold Atom Physics and Bose-Einstein Condensates: 1 fractional worksPhotonic and Optical Dev…0Photonic and Optical Devices: 0 fractional worksGa2O3 and related materials: 0 fractional worksAdvanced Fiber Laser Technologies: 0 fractional worksMetal and Thin Film Mechanics: 0 fractional works
Condensed Matter PhysicsAtomic and Molecular Physics, and OpticsElectrical and Electronic EngineeringElectronic, Optical and Magnetic Materials1 others

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

  1. 1 GaN-based semiconductor devices and materials Condensed Matter Physics 1 works
  2. 2 Semiconductor Quantum Structures and Devices Atomic and Molecular Physics, and Optics 1 works
  3. 3 Advanced Frequency and Time Standards Atomic and Molecular Physics, and Optics 1 works
  4. 4 Atomic and Subatomic Physics Research Atomic and Molecular Physics, and Optics 1 works
  5. 5 Semiconductor Lasers and Optical Devices Electrical and Electronic Engineering 1 works
  6. 6 Cold Atom Physics and Bose-Einstein Condensates Atomic and Molecular Physics, and Optics 1 works
  7. 7 Photonic and Optical Devices Electrical and Electronic Engineering 0 works
  8. 8 Ga2O3 and related materials Electronic, Optical and Magnetic Materials 0 works
  9. 9 Advanced Fiber Laser Technologies Atomic and Molecular Physics, and Optics 0 works
  10. 10 Metal and Thin Film Mechanics Mechanics of Materials 0 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 available19.0%not open81.0%

World: 28% of research is openly available.

with international co-authors44.7%domestic only55.3%

World: 19% is written across borders.

How has TopGaN (Poland)'s research output changed?

Output in 2018–2022 was 34% lower than in 2013–2017.

2005201020152020
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 Warsaw

All research institutions in Warsaw

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.