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Company · Espoo · Finland

ElFys (Finland)

elfys.fiROR OpenAlex
Research works
10
▲ 19% vs 2018-21
Citations
71
7.1 per fractional work
Top-10% rate
1.4%
all institutions 10.0%
Open access
79%
world 40%
International
36%
world 18%
ElFys (Finland)

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

Which fields of science does ElFys (Finland) work in?

In all years, 82% of research at ElFys (Finland) is in Physical Sciences, 10% in Social Sciences. Its largest fields are Engineering (49%), Materials Science (14%), Physics and Astronomy (8%). It does 1.6× the world's share of Physical Sciences.

Physical Sciences: 8 fractional works · 82.1% of its workEngineering: 5 fractional works · 48.6% of its workElectrical and Electronic Engineering: 3 fractional works · 31.3% of its workBiomedical Engineering: 1 fractional works · 13.4% of its workMechanical Engineering: 0 fractional works · 3.3% of its workControl and Systems Engineering: 0 fractional works · 0.6% of its workMaterials Science: 1 fractional works · 14.0% of its workMaterials Chemistry: 1 fractional works · 7.5% of its workBiomaterials: 0 fractional works · 2.5% of its workSurfaces, Coatings and Films: 0 fractional works · 2.2% of its workElectronic, Optical and Magnetic Materials: 0 fractional works · 1.7% of its workPhysics and Astronomy: 1 fractional works · 8.1% of its workInstrumentation: 0 fractional works · 3.9% of its workAtomic and Molecular Physics, and Optics: 0 fractional works · 2.5% of its workNuclear and High Energy Physics: 0 fractional works · 1.7% of its workComputer Science: 0 fractional works · 4.7% of its workArtificial Intelligence: 0 fractional works · 3.1% of its workSignal Processing: 0 fractional works · 1.7% of its workChemical Engineering: 0 fractional works · 3.3% of its workFluid Flow and Transfer Processes: 0 fractional works · 3.3% of its workEnvironmental Science: 0 fractional works · 3.3% of its workIndustrial and Manufacturing Engineering: 0 fractional works · 3.3% of its workSocial Sciences: 1 fractional works · 10.1% of its workDecision Sciences: 1 fractional works · 6.7% of its workManagement Science and Operations Research: 1 fractional works · 6.7% of its workBusiness, Management and Accounting: 0 fractional works · 3.3% of its workManagement Information Systems: 0 fractional works · 3.3% of its workHealth Sciences: 1 fractional works · 7.8% of its workMedicine: 1 fractional works · 7.8% of its workRadiology, Nuclear Medicine and Imaging: 0 fractional works · 3.3% of its workCardiology and Cardiovascular Medicine: 0 fractional works · 1.7% of its workPulmonary and Respiratory Medicine: 0 fractional works · 1.7% of its workEpidemiology: 0 fractional works · 0.4% of its workNeurology: 0 fractional works · 0.4% of its workOncology: 0 fractional works · 0.4% of its workALL ITS WORKElFys (Finland)10fractional works, all years
Physical Sciences82%Health Sciences8%Social Sciences10%

Each ring splits the one inside it: the four domains of science, their fields, their subfields. Size is fractional works in all years. Every slice is a page; the interactive view zooms down to single topics and colours each by how much more of it this institution does than the world.

Its 3 domains and 9 fields, with their numbers
    1. Engineering548.6%
    2. Materials Science114.0%
    3. Physics and Astronomy18.1%
    4. Computer Science04.7%
    5. Chemical Engineering03.3%
    6. Environmental Science03.3%
    1. Decision Sciences16.7%
    2. Business, Management and Accounting03.3%
    1. Medicine17.8%
All of science, and how each field's share has moved since 1950: the Science domain explorer

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.

Chemical Engineering: 19.61× its world share, 0 worksChemical EngineeringComputer Science: 1.25× its world share, 0 worksComputer ScienceEngineering: 3.58× its world share, 3 worksEngineeringEnvironmental Science: 1.38× its world share, 0 worksEnvironmental ScienceMaterials Science: 3.44× its world share, 1 worksMaterials SciencePhysics and Astronomy: 2.31× its world share, 0 worksPhysics and AstronomyMedicine: 0.30× its world share, 0 worksMedicine1×world share
more than its size predictsabout as predictedless

Rings at 0.5×, 1× and 2×. Widest outward: Chemical Engineering, 19.6×. Every wedge is a field page.

All 7 fields, with their numbers
  1. Chemical Engineering19.61×0 works
  2. Engineering3.58×3 works
  3. Materials Science3.44×1 works
  4. Physics and Astronomy2.31×0 works
  5. Environmental Science1.38×0 works
  6. Computer Science1.25×0 works
  7. Medicine0.30×0 works

What are the most cited papers from ElFys (Finland)?

The most cited paper from ElFys (Finland) is "Black-Silicon Ultraviolet Photodiodes Achieve External Quantum Efficiency above 130%" (Moises Garin, Juha Heinonen, Lutz Werner et al., 2020), with 84 citations. Next come "Near-infrared germanium PIN-photodiodes with >1A/W responsivity" (42) and "Quantum efficiency of black silicon photodiodes at VUV wavelengths" (21).

Most cited papers
#PaperReleasedCitations
1 Black-Silicon Ultraviolet Photodiodes Achieve External Quantum Efficiency above 130% Moises Garin, Juha Heinonen, Lutz Werner et al. · Physical Review Letters Open access 8 Sep 2020 84
2 Near-infrared germanium PIN-photodiodes with >1A/W responsivity Hanchen Liu, Toni P. Pasanen, Tsun Hang Fung et al. · Light Science & Applications Open access 31 Dec 2024 42
3 Quantum efficiency of black silicon photodiodes at VUV wavelengths Thomas Tsang, A. E. Bolotnikov, Antti Haarahiltunen et al. · Optics Express Open access 8 Apr 2020 21
4 Results on radiation hardness of black silicon induced junction photodetectors from proton and electron radiation Juha Heinonen, Chiara Modanese, Antti Haarahiltunen et al. · Nuclear Instruments and Methods in Physics Research Section A Accelerators Spectrometers Detectors and Associated Equipment Open access 23 Jun 2020 14
5 Fast Wafer-Level Characterization of Silicon Photodetectors by Photoluminescence Imaging Hussein M. Ayedh, Christopher W. Förbom, Juha Heinonen et al. · IEEE Transactions on Electron Devices Open access 28 Mar 2022 13
All 30 most cited papers, with filters and sorting

Which research topics does ElFys (Finland) publish most on?

By volume in 2022-now: Photonic and Optical Devices, Nanowire Synthesis and Applications, Recycling and Waste Management Techniques and Molten salt chemistry and electrochemical processes.

Photonic and Optical Dev…0Photonic and Optical Devices: 0 fractional worksNanowire Synthesis and A…0Nanowire Synthesis and Applications: 0 fractional worksRecycling and Waste Management Techniques: 0 fractional worksMolten salt chemistry and electrochemical processes: 0 fractional worksAdvanced Cellulose Research Studies: 0 fractional worksExtraction and Separation Processes: 0 fractional worksAdversarial Robustness i…0Adversarial Robustness in Machine Learning: 0 fractional worksECG Monitoring and Analysis: 0 fractional worksIntegrated Circuits and Semiconductor Failure Analysis: 0 fractional worksSemiconductor materials and devices: 0 fractional works
Electrical and Electronic EngineeringBiomedical EngineeringIndustrial and Manufacturing EngineeringFluid Flow and Transfer Processes4 others

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

  1. 1 Photonic and Optical Devices Electrical and Electronic Engineering 0 works
  2. 2 Nanowire Synthesis and Applications Biomedical Engineering 0 works
  3. 3 Recycling and Waste Management Techniques Industrial and Manufacturing Engineering 0 works
  4. 4 Molten salt chemistry and electrochemical processes Fluid Flow and Transfer Processes 0 works
  5. 5 Advanced Cellulose Research Studies Biomaterials 0 works
  6. 6 Extraction and Separation Processes Mechanical Engineering 0 works
  7. 7 Adversarial Robustness in Machine Learning Artificial Intelligence 0 works
  8. 8 ECG Monitoring and Analysis Cardiology and Cardiovascular Medicine 0 works
  9. 9 Integrated Circuits and Semiconductor Failure Analysis Electrical and Electronic Engineering 0 works
  10. 10 Semiconductor materials and devices Electrical and Electronic Engineering 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 available79.1%not open20.9%

World: 40% of research is openly available.

with international co-authors35.7%domestic only64.3%

World: 18% is written across borders.

How has ElFys (Finland)'s research output changed?

Output in 2022-2025 was 19% higher than in 2018-2021.

still counting201520202025
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 Espoo

All research institutions in Espoo

Research measures only: rankings here say nothing about teaching, admissions or student experience. Comparable institutions and collaboration partners have tabs of their own, above.

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