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Research facility · Orsay · France

Institut des Sciences Moléculaires d'Orsay

In research, Institut des Sciences Moléculaires d'Orsay stands highest in Physical Sciences (#4,902 of 12,888 worldwide), 2022–2025. Relative to its size it is most specialised in Spectroscopy, Atomic and Molecular Physics, and Optics and Chemistry — Spectroscopy is 64.2× its share of world research.

ismo.universite-paris-saclay.frROR OpenAlex
World rank, 2022–2025
#8,189
of 28,054 · #6,545 all time
Rank in France
#260
of 1,422
Research works
807
▲ 27% vs 2013–17
Citations
9.2k
11.4 per fractional work
Top-10% rate
6.0%
record average 16.5%
Open access
31%
world 28%

What is Institut des Sciences Moléculaires d'Orsay 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 #4,902 of 12,888 5.8%134 #4028

Each strip is that field’s whole ranked pool, with the notch where Institut des Sciences Moléculaires d'Orsay 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 Institut des Sciences Moléculaires d'Orsay specialise in?

Where its research is concentrated relative to its size: Spectroscopy takes 64.2× the share of its output that it takes of world research.

  1. SpectroscopySubfield · 21.6 works64×
  2. Atomic and Molecular Physics, and OpticsSubfield · 30.4 works28×
  3. ChemistryField · 37.1 works15×
  4. Physics and AstronomyField · 40.2 works12×
← 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: 0.09× its world share, 1 worksAgricultural and Bio…Biochemistry, Genetics and Molecular Biology: 1.19× its world share, 10 worksBiochemistry, Geneti…Immunology and Microbiology: 0.16× its world share, 0 worksImmunology and Micro…Neuroscience: 0.64× its world share, 2 worksNeurosciencePharmacology, Toxicology and Pharmaceutics: 1.54× its world share, 1 worksPharmacology, Toxico…Chemical Engineering: 2.82× its world share, 2 worksChemical EngineeringChemistry: 15.46× its world share, 37 worksChemistryComputer Science: 0.08× its world share, 1 worksComputer ScienceEarth and Planetary Sciences: 3.28× its world share, 8 worksEarth and Planetary …Energy: 1.52× its world share, 2 worksEnergyEngineering: 0.88× its world share, 20 worksEngineeringEnvironmental Science: 0.23× its world share, 2 worksEnvironmental ScienceMaterials Science: 3.98× its world share, 21 worksMaterials ScienceMathematics: 0.50× its world share, 1 worksMathematicsPhysics and Astronomy: 11.83× its world share, 40 worksPhysics and AstronomyHealth Professions: 0.07× its world share, 0 worksHealth ProfessionsMedicine: 0.15× its world share, 4 worksMedicineNursing: 0.12× its world share, 0 worksNursingArts and Humanities: 0.06× its world share, 0 worksArts and HumanitiesBusiness, Management and Accounting: 0.03× its world share, 0 worksBusiness, Management…Decision Sciences: 0.13× its world share, 0 worksDecision SciencesEconomics, Econometrics and Finance: 0.03× its world share, 0 worksEconomics, Econometr…Psychology: 0.02× its world share, 0 worksPsychologySocial Sciences: 0.02× its world share, 0 worksSocial Sciences1×world share
more than its size predictsabout as predictedless

Rings at 0.5×, 1× and 2×. Widest outward: Chemistry, 15.5×. Every wedge is a field page.

Who are the top researchers at Institut des Sciences Moléculaires d'Orsay?

Ranked on the composite score, Ruxandra Gref, Bérenger Gans and L. H. Coudert lead among researchers whose main affiliation is Institut des Sciences Moléculaires d'Orsay.

  1. 1 Ruxandra Gref France · #76,965 worldwide 234 citations · 44 works
  2. 2 Bérenger Gans France · #698,206 worldwide 25 citations · 30 works
  3. 3 L. H. Coudert France · #742,276 worldwide 114 citations · 61 works
  4. 4 Thomas Pino France · #837,819 worldwide 115 citations · 50 works
  5. 5 Olivier Pirali France · #970,214 worldwide 70 citations · 70 works
  6. 6 Marie‐Aline Martin‐Drumel France · #1,054,147 worldwide 62 citations · 67 works
  7. 7 Pierre Çarçabal France · #1,148,068 worldwide 26 citations · 17 works
  8. 8 Minh‐Huong Ha‐Thi France · #1,262,384 worldwide 26 citations · 17 works
  9. 9 Ugo Jacovella France · #1,333,166 worldwide 16 citations · 19 works
  10. 10 Erika Porcel France · #1,369,737 worldwide 13 citations · 17 works
All ranked researchers at Institut des Sciences Moléculaires d'Orsay

Which keywords describe research at Institut des Sciences Moléculaires d'Orsay?

By fractional works in 2022–2025, weighted toward what it does more of than the world: Density Functional Theory, Hydrogen Bonding, Molecular Dynamics, Electronic Structure Calculations, Ab Initio Parametrization, Dispersion Correction, Vibrational Spectroscopy and Nanoparticles.

▲ 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. Density Functional Theory13▲ 83×4 topics
  2. Hydrogen Bonding12▲ 92×5 topics
  3. Molecular Dynamics11▲ 44×5 topics
  4. Nanoparticles10▲ 5.3×22 topics
  5. Electronic Structure Calculations9▲ 93×2 topics
  6. Ab Initio Parametrization9▲ 192×1 topic
  7. Dispersion Correction9▲ 192×1 topic
  8. Vibrational Spectroscopy9▲ 74×3 topics
  9. Biomedical Applications9▲ 4.8×16 topics
  10. Photosynthesis8▲ 118×1 topic
  11. Quantum Coherence8▲ 178×1 topic
  12. Drug Delivery7▲ 8.1×8 topics
  13. Broadband Microwave Spectroscopy6▲ 616×1 topic
  14. Molecular Structure6▲ 42×2 topics
  15. Rotational Spectroscopy6▲ 616×1 topic
  16. Tumor Targeting6▲ 21×3 topics
  17. Ozone Depletion5▲ 114×1 topic
  18. Stratospheric Water Vapor5▲ 114×1 topic
  19. Catalysis5▲ 4.9×14 topics
  20. Breath Analysis5▲ 29×2 topics
  21. Spectroscopic Databases5▲ 120×1 topic
  22. Terahertz Quantum-Cascade Lasers5▲ 120×1 topic
  23. Cancer Therapy4▲ 5.1×4 topics
  24. Self-Assembly4▲ 8.6×8 topics
  25. Imaging4▲ 11×3 topics
  26. Surface Engineering4▲ 30×2 topics
  27. Ambient Conditions4▲ 35×2 topics
  28. Electron Transfer4▲ 109×2 topics
  29. Mass Spectrometry4▲ 17×3 topics
  30. Absolute Configuration4▲ 198×1 topic
  31. Chiroptical Spectroscopy4▲ 198×1 topic
  32. Conformational Analysis4▲ 166×2 topics
  33. Electrospray4▲ 75×1 topic
  34. Ionization4▲ 75×1 topic
  35. Magnetic Nanoparticles4▲ 22×2 topics
  36. Nanocarriers4▲ 44×1 topic
  37. Natural Products4▲ 17×2 topics
  38. Polymeric Nanoparticles4▲ 44×1 topic
  39. Magnetic Fields4▲ 36×3 topics
  40. Accretion Disks4▲ 49×2 topics

Which research topics does Institut des Sciences Moléculaires d'Orsay publish most on?

By volume in 2022–2025: Advanced Chemical Physics Studies, Spectroscopy and Quantum Chemical Studies, Molecular Spectroscopy and Structure and Atmospheric Ozone and Climate.

Advanced Chemical Physics Studies: 9 fractional worksSpectroscopy and Quantum Chemical Studies: 8 fractional worksMolecular Spectroscopy a…6Molecular Spectroscopy and Structure: 6 fractional worksAtmospheric Ozone and Cl…5Atmospheric Ozone and Climate: 5 fractional worksSpectroscopy and Laser Applications: 5 fractional worksNanoparticle-Based Drug Delivery: 4 fractional worksMolecular spectroscopy a…4Molecular spectroscopy and chirality: 4 fractional worksMass Spectrometry Techniques and Applications: 4 fractional worksAstrophysics and Star Formation Studies: 4 fractional worksPhotochemistry and Electron Transfer Studies: 3 fractional works
Atomic and Molecular Physics, and OpticsSpectroscopyAtmospheric ScienceBiomaterials2 others

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

  1. 1 Advanced Chemical Physics Studies Atomic and Molecular Physics, and Optics 9 works
  2. 2 Spectroscopy and Quantum Chemical Studies Atomic and Molecular Physics, and Optics 8 works
  3. 3 Molecular Spectroscopy and Structure Spectroscopy 6 works
  4. 4 Atmospheric Ozone and Climate Atmospheric Science 5 works
  5. 5 Spectroscopy and Laser Applications Spectroscopy 5 works
  6. 6 Nanoparticle-Based Drug Delivery Biomaterials 4 works
  7. 7 Molecular spectroscopy and chirality Spectroscopy 4 works
  8. 8 Mass Spectrometry Techniques and Applications Spectroscopy 4 works
  9. 9 Astrophysics and Star Formation Studies Astronomy and Astrophysics 4 works
  10. 10 Photochemistry and Electron Transfer Studies Physical and Theoretical Chemistry 3 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 available31.3%not open68.7%

World: 28% of research is openly available.

with international co-authors25.4%domestic only74.6%

World: 19% is written across borders.

How has Institut des Sciences Moléculaires d'Orsay's research output changed?

Output in 2018–2022 was 27% 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 Orsay

All research institutions in Orsay

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.