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Research facility · Écully · France

Laboratoire Ampère

In research, Laboratoire Ampère stands highest in Physical Sciences (#10,793 of 12,888 worldwide) and Engineering (#5,965 of 6,636 worldwide), 2022–2025. Relative to its size it is most specialised in Electrical and Electronic Engineering — Electrical and Electronic Engineering is 7.9× its share of world research.

ampere-lab.frROR OpenAlex
World rank, 2022–2025
#20,919
of 28,054 · #18,586 all time
Rank in France
#965
of 1,422
Research works
693
▼ 8% vs 2013–17
Citations
9.1k
13.2 per fractional work
Top-10% rate
4.8%
record average 16.5%
Open access
39%
world 28%

What is Laboratoire Ampère 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 #10,793 of 12,888 5.0%127 #11157
EngineeringField #5,965 of 6,636 4.1%90 #6311

Each strip is that field’s whole ranked pool, with the notch where Laboratoire Ampère 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 Laboratoire Ampère specialise in?

Where its research is concentrated relative to its size: Electrical and Electronic Engineering takes 7.9× the share of its output that it takes of world research.

  1. Electrical and Electronic EngineeringSubfield · 45.6 works7.9×
← 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: 0.48× its world share, 4 worksAgricultural and Bio…Biochemistry, Genetics and Molecular Biology: 0.65× its world share, 6 worksBiochemistry, Geneti…Immunology and Microbiology: 0.23× its world share, 0 worksImmunology and Micro…Neuroscience: 0.07× its world share, 0 worksNeurosciencePharmacology, Toxicology and Pharmaceutics: 0.07× its world share, 0 worksPharmacology, Toxico…Chemical Engineering: 2.07× its world share, 1 worksChemical EngineeringChemistry: 0.23× its world share, 1 worksChemistryComputer Science: 0.78× its world share, 10 worksComputer ScienceEarth and Planetary Sciences: 0.25× its world share, 1 worksEarth and Planetary …Energy: 1.24× its world share, 2 worksEnergyEngineering: 3.71× its world share, 90 worksEngineeringEnvironmental Science: 0.90× its world share, 7 worksEnvironmental ScienceMaterials Science: 1.34× its world share, 8 worksMaterials ScienceMathematics: 0.37× its world share, 1 worksMathematicsPhysics and Astronomy: 2.00× its world share, 7 worksPhysics and AstronomyDentistry: 0.05× its world share, 0 worksDentistryHealth Professions: 0.47× its world share, 2 worksHealth ProfessionsMedicine: 0.24× its world share, 7 worksMedicineVeterinary: 0.14× its world share, 0 worksVeterinaryArts and Humanities: 0.52× its world share, 2 worksArts and HumanitiesBusiness, Management and Accounting: 0.21× its world share, 1 worksBusiness, Management…Decision Sciences: 0.10× its world share, 0 worksDecision SciencesEconomics, Econometrics and Finance: 0.01× its world share, 0 worksEconomics, Econometr…Psychology: 0.59× its world share, 3 worksPsychologySocial Sciences: 0.44× its world share, 9 worksSocial Sciences1×world share
more than its size predictsabout as predictedless

Rings at 0.5×, 1× and 2×. Widest outward: Engineering, 3.7×. Every wedge is a field page.

Who are the top researchers at Laboratoire Ampère?

Ranked on the composite score, Timothy M. Vogel, Jean-Yves Gauthier and Pascal Simonet lead among researchers whose main affiliation is Laboratoire Ampère.

  1. 1 Timothy M. Vogel France · #13,551 worldwide 343 citations · 91 works
  2. 2 Jean-Yves Gauthier France · #21,431 worldwide 562 citations · 41 works
  3. 3 Pascal Simonet France · #57,343 worldwide 61 citations · 80 works
  4. 4 Cyril Buttay France · #57,407 worldwide 282 citations · 80 works
  5. 5 Florent Morel France · #94,065 worldwide 151 citations · 49 works
  6. 6 Xuefang Lin-Shi France · #103,787 worldwide 194 citations · 69 works
  7. 7 Catherine Larose France · #122,435 worldwide 40 citations · 34 works
  8. 8 Jean-Marie Rétif France · #155,502 worldwide 132 citations · 24 works
  9. 9 Gérard Scorletti France · #166,169 worldwide 181 citations · 45 works
  10. 10 Bruno Allard France · #166,396 worldwide 339 citations · 147 works
All ranked researchers at Laboratoire Ampère

Which keywords describe research at Laboratoire Ampère?

By fractional works in 2022–2025, weighted toward what it does more of than the world: Power Electronics, Thermal Management, Renewable Energy Integration, Nanowires, Electric Vehicles, Reliability, Electric Vehicle Charging and Lithium-ion Batteries.

▲ 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. Power Electronics15▲ 28×8 topics
  2. Thermal Management10▲ 18×5 topics
  3. Renewable Energy Integration10▲ 18×4 topics
  4. Renewable Energy7▲ 3.2×23 topics
  5. Nanowires7▲ 29×5 topics
  6. Electric Vehicles6▲ 13×4 topics
  7. Reliability6▲ 48×3 topics
  8. Electric Vehicle Charging6▲ 42×2 topics
  9. Lithium-ion Batteries5▲ 7.9×4 topics
  10. Power Devices5▲ 47×2 topics
  11. High-Temperature Electronics5▲ 50×2 topics
  12. Model Predictive Control5▲ 11×5 topics
  13. Silicon Carbide5▲ 60×1 topic
  14. Wide Bandgap Semiconductors5▲ 69×1 topic
  15. DC-DC Converters5▲ 49×1 topic
  16. High-Frequency Power Conversion5▲ 49×1 topic
  17. Band Parameters4▲ 49×2 topics
  18. Public Policy4▲ 5.4×4 topics
  19. Battery Management Systems4▲ 16×1 topic
  20. Induction Motors4▲ 56×2 topics
  21. Thermal Runaway4▲ 16×1 topic
  22. Semiconductors4▲ 8.2×3 topics
  23. Citizen Participation4▲ 19×2 topics
  24. Community Engagement4▲ 7.3×2 topics
  25. GaN4▲ 70×2 topics
  26. Light-Emitting Diodes4▲ 15×2 topics
  27. Smart Grid4▲ 6.3×5 topics
  28. AlGaN/GaN HEMTs4▲ 77×1 topic
  29. III-Nitrides4▲ 77×1 topic
  30. Social Justice4▲ 4.0×2 topics
  31. Environmental Participation4▲ 29×1 topic
  32. Territorial Governance4▲ 18×1 topic
  33. Control Systems3▲ 11×7 topics
  34. Nonlinear Systems3▲ 10×5 topics
  35. Fault Tolerance3▲ 12×3 topics
  36. Thermal Analysis3▲ 14×5 topics
  37. Stability Analysis3▲ 11×5 topics
  38. EMI3▲ 90×1 topic
  39. Electromagnetic Compatibility3▲ 90×1 topic
  40. Fault Detection3▲ 12×3 topics

Which research topics does Laboratoire Ampère publish most on?

By volume in 2022–2025: Silicon Carbide Semiconductor Technologies, Advanced DC-DC Converters, Advanced Battery Technologies Research and GaN-based semiconductor devices and materials.

Silicon Carbide Semicond…5Silicon Carbide Semiconductor Technologies: 5 fractional worksAdvanced DC-DC Converters5Advanced DC-DC Converters: 5 fractional worksAdvanced Battery Technol…4Advanced Battery Technologies Research: 4 fractional worksGaN-based semiconductor …4GaN-based semiconductor devices and materials: 4 fractional worksFrench Urban and Social Studies: 4 fractional worksElectromagnetic Compatibility and Noise Suppression: 3 fractional worksMicrobial Fuel Cells and…2Microbial Fuel Cells and Bioremediation: 2 fractional worksMultilevel Inverters and Converters: 2 fractional worksPower Transformer Diagnostics and Insulation: 2 fractional worksMicrogrid Control and Optimization: 2 fractional works
Electrical and Electronic EngineeringAutomotive EngineeringCondensed Matter PhysicsSociology and Political Science2 others

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

  1. 1 Silicon Carbide Semiconductor Technologies Electrical and Electronic Engineering 5 works
  2. 2 Advanced DC-DC Converters Electrical and Electronic Engineering 5 works
  3. 3 Advanced Battery Technologies Research Automotive Engineering 4 works
  4. 4 GaN-based semiconductor devices and materials Condensed Matter Physics 4 works
  5. 5 French Urban and Social Studies Sociology and Political Science 4 works
  6. 6 Electromagnetic Compatibility and Noise Suppression Electrical and Electronic Engineering 3 works
  7. 7 Microbial Fuel Cells and Bioremediation Environmental Engineering 2 works
  8. 8 Multilevel Inverters and Converters Electrical and Electronic Engineering 2 works
  9. 9 Power Transformer Diagnostics and Insulation Electrical and Electronic Engineering 2 works
  10. 10 Microgrid Control and Optimization Control and Systems Engineering 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 available39.4%not open60.6%

World: 28% of research is openly available.

with international co-authors22.5%domestic only77.5%

World: 19% is written across borders.

How has Laboratoire Ampère's research output changed?

Output in 2018–2022 was 8% lower 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 Écully

All research institutions in Écully

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.