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Government institution · Gif-sur-Yvette · France

Direction des Energies

In research, Direction des Energies stands highest in Physical Sciences (#940 of 21,541 worldwide), Materials Science (#745 of 4,504 worldwide) and Engineering (#1,978 of 11,412 worldwide), over all time.

cea.fr/Pages/domaines-recherche/energies.aspxROR OpenAlex
World rank, all time
#1,366
of 42,892
Rank in France
#45
of 2,321
Research works
2.9k
▼ 61% vs 2013–17
Citations
78k
27.2 per fractional work
Top-10% rate
8.4%
record average 16.5%
Open access
26%
world 28%

What is Direction des Energies known for in research?

The fields where it stands highest, over all time, ranked among every institution above the floor in each field.

FieldWorld rankWhere that sitsTop-10% rateWorks
Physical SciencesDomain #940 of 21,541 25.5%2,476
Materials ScienceField #745 of 4,504 23.2%462
EngineeringField #1,978 of 11,412 28.9%627
Physics and AstronomyField #689 of 3,663 30.2%653
Materials ChemistrySubfield #748 of 3,068 23.2%364
RadiationSubfield #108 of 432 35.3%136
Earth and Planetary SciencesField #730 of 2,661 22.8%290
Social SciencesDomain #7,250 of 16,945 19.8%132
Aerospace EngineeringSubfield #816 of 1,730 42.1%159
Nuclear and High Energy PhysicsSubfield #461 of 869 34.1%240

Each strip is that field’s whole ranked pool, with the notch where Direction des Energies 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).

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: 0.16× its world share, 0 worksAgricultural and Bio…Biochemistry, Genetics and Molecular Biology: 0.58× its world share, 1 worksBiochemistry, Geneti…Immunology and Microbiology: 0.05× its world share, 0 worksImmunology and Micro…Neuroscience: 0.54× its world share, 0 worksNeurosciencePharmacology, Toxicology and Pharmaceutics: 0.17× its world share, 0 worksPharmacology, Toxico…Chemical Engineering: 1.50× its world share, 0 worksChemical EngineeringChemistry: 2.93× its world share, 2 worksChemistryComputer Science: 0.60× its world share, 2 worksComputer ScienceEarth and Planetary Sciences: 1.14× its world share, 1 worksEarth and Planetary …Energy: 0.66× its world share, 0 worksEnergyEngineering: 1.73× its world share, 8 worksEngineeringEnvironmental Science: 1.65× its world share, 3 worksEnvironmental ScienceMaterials Science: 3.33× its world share, 4 worksMaterials ScienceMathematics: 1.76× its world share, 1 worksMathematicsPhysics and Astronomy: 3.65× its world share, 3 worksPhysics and AstronomyDentistry: 0.58× its world share, 0 worksDentistryHealth Professions: 0.53× its world share, 0 worksHealth ProfessionsMedicine: 0.26× its world share, 2 worksMedicineNursing: 0.82× its world share, 0 worksNursingArts and Humanities: 1.80× its world share, 2 worksArts and HumanitiesBusiness, Management and Accounting: 1.70× its world share, 2 worksBusiness, Management…Decision Sciences: 0.76× its world share, 0 worksDecision SciencesEconomics, Econometrics and Finance: 0.84× its world share, 1 worksEconomics, Econometr…Social Sciences: 0.54× its world share, 2 worksSocial Sciences1×world share
more than its size predictsabout as predictedless

Rings at 0.5×, 1× and 2×. Widest outward: Physics and Astronomy, 3.6×. Every wedge is a field page.

Who are the top researchers at Direction des Energies?

Ranked on the composite score, R. Légrain, Georgette Delibrias and Gérard Lambert lead among researchers whose main affiliation is Direction des Energies.

  1. 1 R. Légrain France · #158,025 worldwide 223 citations · 59 works
  2. 2 Georgette Delibrias France · #165,019 worldwide 60 citations · 35 works
  3. 3 Gérard Lambert France · #197,493 worldwide 107 citations · 27 works
  4. 4 Jacques Évin France · #392,163 worldwide 47 citations · 33 works
  5. 5 Y. Cassagnou France · #522,188 worldwide 61 citations · 25 works
  6. 6 C. Marchand France · #597,296 worldwide 112 citations · 22 works
  7. 7 Patrick Buat‐Ménard France · #601,751 worldwide 91 citations · 25 works
  8. 8 G. Bassani France · #723,209 worldwide 38 citations · 16 works
  9. 9 Haroun Tazieff France · #796,492 worldwide 24 citations · 23 works
  10. 10 J. Labeyrie France · #825,029 worldwide 25 citations · 32 works
All ranked researchers at Direction des Energies

Which research topics does Direction des Energies publish most on?

By volume in 2022–2025: Transportation Systems and Infrastructure, Nuclear reactor physics and engineering, Nuclear Materials and Properties and Fusion materials and technologies.

Transportation Systems a…1Transportation Systems and Infrastructure: 1 fractional worksNuclear reactor physics …1Nuclear reactor physics and engineering: 1 fractional worksNuclear Materials and Pr…1Nuclear Materials and Properties: 1 fractional worksFusion materials and tec…1Fusion materials and technologies: 1 fractional worksRadioactive element chem…1Radioactive element chemistry and processing: 1 fractional worksMuseums and Cultural Her…1Museums and Cultural Heritage: 1 fractional worksCultural Industries and Urban Development: 1 fractional worksNuclear materials and radiation effects: 0 fractional worksHydrogen embrittlement and corrosion behaviors in metals: 0 fractional worksNumerical methods in engineering: 0 fractional works
Management of Technology and InnovationAerospace EngineeringMaterials ChemistryInorganic Chemistry4 others

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

  1. 1 Transportation Systems and Infrastructure Management of Technology and Innovation 1 works
  2. 2 Nuclear reactor physics and engineering Aerospace Engineering 1 works
  3. 3 Nuclear Materials and Properties Materials Chemistry 1 works
  4. 4 Fusion materials and technologies Materials Chemistry 1 works
  5. 5 Radioactive element chemistry and processing Inorganic Chemistry 1 works
  6. 6 Museums and Cultural Heritage Museology 1 works
  7. 7 Cultural Industries and Urban Development Urban Studies 1 works
  8. 8 Nuclear materials and radiation effects Materials Chemistry 0 works
  9. 9 Hydrogen embrittlement and corrosion behaviors in metals Metals and Alloys 0 works
  10. 10 Numerical methods in engineering 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 available25.6%not open74.4%

World: 28% of research is openly available.

with international co-authors23.9%domestic only76.1%

World: 19% is written across borders.

How has Direction des Energies's research output changed?

Output in 2018–2022 was 61% 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 Gif-sur-Yvette

All research institutions in Gif-sur-Yvette

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.