World's Best Scientists 2026 revealed!

D-Index & Metrics

Materials Science

D-Index
57
Citations
9209
World Ranking
8089
National Ranking
221

Chemistry

D-Index
58
Citations
9641
World Ranking
10839
National Ranking
400

Alain Deffieux publication distribution in Materials Science in 2026

The chart shows the distribution of publications by all Research.com ranked scientists in the field of Materials Science in 2026. The highlighted bar marks where Alain Deffieux sits on this spectrum.

50–69 publications: 28 scientists 70–89 publications: 152 scientists 90–109 publications: 356 scientists 110–129 publications: 487 scientists 130–149 publications: 723 scientists 150–169 publications: 835 scientists 170–189 publications: 850 scientists 190–209 publications: 891 scientists 210–229 publications: 862 scientists 230–249 publications: 766 scientists 250–269 publications: 726 scientists 270–289 publications: 665 scientists 290–309 publications: 593 scientists 310–329 publications: 537 scientists 330–349 publications: 477 scientists 350–369 publications: 440 scientists 370–389 publications: 356 scientists 390–409 publications: 321 scientists 410–429 publications: 256 scientists 430–449 publications: 246 scientists 450–469 publications: 216 scientists 470–489 publications: 212 scientists 490–509 publications: 174 scientists 510–529 publications: 194 scientists 530–549 publications: 162 scientists 550–569 publications: 131 scientists 570–589 publications: 111 scientists 590–609 publications: 103 scientists 610–629 publications: 99 scientists 630–649 publications: 77 scientists 650–669 publications: 92 scientists 670–689 publications: 56 scientists 690–709 publications: 53 scientists 710–729 publications: 53 scientists 730–749 publications: 38 scientists 750–769 publications: 52 scientists 770–789 publications: 43 scientists 790–809 publications: 38 scientists 810–829 publications: 34 scientists 830–849 publications: 25 scientists 850–869 publications: 18 scientists 870–889 publications: 20 scientists 890–909 publications: 24 scientists 910–929 publications: 27 scientists 930–949 publications: 20 scientists 950–969 publications: 17 scientists 970–989 publications: 10 scientists 990–1,009 publications: 16 scientists 1,010–1,029 publications: 13 scientists 1,030–1,049 publications: 12 scientists 1,050–1,069 publications: 9 scientists 1,070–1,089 publications: 8 scientists 1,090–1,109 publications: 7 scientists 1,110–1,129 publications: 9 scientists 1,130–1,149 publications: 2 scientists 1,150–1,162 publications: 5 scientists 1,163+ publications: 100 scientists
50 publications 1,163+

This scientist: 229 publications — 40th percentile

40% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 1,163 publications or more.

Alain Deffieux D-index placement in Materials Science in 2026

The chart shows the D-index (discipline H-index) distribution of Materials Science scientists ranked by Research.com in 2026. The highlighted bar marks where Alain Deffieux sits on this spectrum.

40–41 D-Index: 211 scientists 42–43 D-Index: 450 scientists 44–45 D-Index: 612 scientists 46–47 D-Index: 612 scientists 48–49 D-Index: 598 scientists 50–51 D-Index: 657 scientists 52–53 D-Index: 667 scientists 54–55 D-Index: 621 scientists 56–57 D-Index: 597 scientists 58–59 D-Index: 610 scientists 60–61 D-Index: 587 scientists 62–63 D-Index: 606 scientists 64–65 D-Index: 533 scientists 66–67 D-Index: 490 scientists 68–69 D-Index: 469 scientists 70–71 D-Index: 378 scientists 72–73 D-Index: 421 scientists 74–75 D-Index: 359 scientists 76–77 D-Index: 323 scientists 78–79 D-Index: 299 scientists 80–81 D-Index: 230 scientists 82–83 D-Index: 210 scientists 84–85 D-Index: 195 scientists 86–87 D-Index: 203 scientists 88–89 D-Index: 175 scientists 90–91 D-Index: 175 scientists 92–93 D-Index: 142 scientists 94–95 D-Index: 121 scientists 96–97 D-Index: 117 scientists 98–99 D-Index: 107 scientists 100–101 D-Index: 88 scientists 102–103 D-Index: 85 scientists 104–105 D-Index: 68 scientists 106–107 D-Index: 62 scientists 108–109 D-Index: 57 scientists 110–111 D-Index: 45 scientists 112–113 D-Index: 49 scientists 114–115 D-Index: 50 scientists 116–117 D-Index: 34 scientists 118–119 D-Index: 38 scientists 120–121 D-Index: 37 scientists 122–123 D-Index: 29 scientists 124–125 D-Index: 28 scientists 126–127 D-Index: 24 scientists 128–129 D-Index: 33 scientists 130–131 D-Index: 28 scientists 132–133 D-Index: 21 scientists 134–135 D-Index: 20 scientists 136–137 D-Index: 23 scientists 138–139 D-Index: 17 scientists 140–141 D-Index: 12 scientists 142–143 D-Index: 17 scientists 144–145 D-Index: 21 scientists 146–147 D-Index: 13 scientists 148–149 D-Index: 11 scientists 150–151 D-Index: 14 scientists 152–153 D-Index: 13 scientists 154–155 D-Index: 9 scientists 156–157 D-Index: 10 scientists 158–159 D-Index: 7 scientists 160–161 D-Index: 4 scientists 162–163 D-Index: 4 scientists 164 D-Index: 3 scientists 165+ D-Index: 98 scientists
40 D-Index 165+

This scientist: 57 D-Index — 39th percentile

39% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 165 D-Index or more.

Overview

Alain Deffieux is affiliated with the University of Bordeaux in France. Their research primarily revolves around the fields of chemistry and chemical engineering, with a focus on organic chemistry and process chemistry and technology. The main topics within their body of work include organometallic complex synthesis and catalysis, synthetic organic chemistry methods, and carbon dioxide utilization in catalysis.

The scientist has contributed to publications in venues such as HAL (Le Centre pour la Communication Scientifique Directe). Their recent papers include:

  • Investigation of the reaction between benzophenone and trimethylaluminium: A source of novel aluminic activator for single-site olefin polymerization catalysts, 2020, HAL (Le Centre pour la Communication Scientifique Directe)
  • Polymerization of hex-1-ene initiated by diimine complexes of nickel and palladium, 2020, HAL (Le Centre pour la Communication Scientifique Directe)

Frequent collaborators in Alain Deffieux's research encompass:

  • Henri Cramail
  • Thomas Dalet
  • Jan Merna
  • Jaroslav Cihlář
  • M. Kučera

Deffieux's work is characterized by its concentration on organometallic chemistry and catalytic processes, especially in relation to polymerization and carbon dioxide utilization. The research outputs suggest a consistent engagement with synthetic methods in organic chemistry and the development of catalysts for industrially relevant chemical transformations.

Best Publications

  • Synthesis of Macrocyclic Copolymer Brushes and Their Self-Assembly into Supramolecular Tubes

    Michel Schappacher;Alain Deffieux

  • Supported Metallocene Complexes for Ethylene and Propylene Polymerizations: Preparation and Activity

    Maria R. Ribeiro;Alain Deffieux;Manuel F. Portela

  • A new strategy for the synthesis of cyclic polystyrenes : principle and application

    L. Rique-Lurbet;M. Schappacher;A. Deffieux

  • Reactivity of Metallocene Catalysts for Olefin Polymerization: Influence of Activator Nature and Structure

    Jean-Noël Pédeutour;Karunakaran Radhakrishnan;Henri Cramail;Alain Deffieux

  • Anionic Polymerizations of Oligo(ethylene glycol) Alkyl Ether Methacrylates: Effect of Side Chain Length and ω-Alkyl Group of Side Chain on Cloud Point in Water

    Takashi Ishizone;Akiko Seki;Mamoru Hagiwara;Seok Han

  • Isopentenyl diphosphate isomerase: A checkpoint to isoprenoid biosynthesis.

    Karine Berthelot;Yannick Estevez;Alain Deffieux;Frédéric Peruch

  • Effect of Dense Grafting on the Backbone Conformation of Bottlebrush Polymers: Determination of the Persistence Length in Solution

    S. Lecommandoux;F. Checot;R. Borsali;M. Schappacher

  • “Controlled” High-Speed Anionic Polymerization of Propylene Oxide Initiated by Alkali Metal Alkoxide/Trialkylaluminum Systems

    Cyrille Billouard;Stéphane Carlotti;Philippe Desbois;Alain Deffieux

  • Synthesis and Characterization of Star and Comb Polystyrenes Using Isometric Poly(chloroethyl vinyl ether) Oligomers as Reactive Backbone

    Alain Deffieux;Michel Schappacher

  • U.V./visible spectroscopic study of the rac‐Et(Ind)2ZrCl2/MAO olefin polymerization catalytic system, 1. Investigation in toluene

    Dorothée Coevoet;Henri Cramail;Alain Deffieux

  • Evaluation of the heterogeneity in linear low-density polyethylene comonomer unit distribution by differential scanning calorimetry characterization of thermally treated samples

    E Adisson;M Ribeiro;A Deffieux;M Fontanille

  • New Polymer Chain Architecture: Synthesis and Characterization of Star Polymers with Comb Polystyrene Branches

    Michel Schappacher and;Alain Deffieux

  • Controlled High-Speed Anionic Polymerization of Propylene Oxide Initiated by Onium Salts in the Presence of Triisobutylaluminum

    Amélie Labbé;Stéphane Carlotti;Cyrille Billouard;Philippe Desbois

  • Synthesis of Linear High Molar Mass Glycidol-Based Polymers by Monomer-Activated Anionic Polymerization

    Matthieu Gervais;Anne-Laure Brocas;Gabriel Cendejas;Alain Deffieux

  • Natural rubber biosynthesis—A living carbocationic polymerization?

    Judit E. Puskas;Emilie Gautriaud;Alain Deffieux;Joseph P. Kennedy

  • Polymer support of “single-site” catalysts for heterogeneous olefin polymerization

    Bertrand Heurtefeu;Bertrand Heurtefeu;Cécile Bouilhac;Cécile Bouilhac;Éric Cloutet;Éric Cloutet;Daniel Taton;Daniel Taton

  • HYPERBRANCHED NANOMOLECULES: REGULAR POLYSTYRENE DENDRIGRAFTS

    Zainuddin Muchtar;Michel Schappacher;Alain Deffieux

  • Synthesis, dimensions and solution properties of linear and macrocyclic poly(chloroethyl vinyl ether)‐g‐polystyrene comblike polymers

    Michel Schappacher;Claude Billaud;Christophe Paulo;Alain Deffieux

  • α-Acetal-ω-bis(hydroxymethyl) Heterodifunctional Polystyrene: Synthesis, Characterization, and Investigation of Intramolecular End-to-End Ring Closure

    M. Schappacher;A. Deffieux

  • Controlled Anionic Homo- and Copolymerization of Ethylene Oxide and Propylene Oxide by Monomer Activation

    Virginie Rejsek;David Sauvanier;Cyrille Billouard;Philippe Desbois

Frequent Co-Authors

Henri Cramail
Henri Cramail University of Bordeaux
Roberto Lazzaroni
Roberto Lazzaroni University of Mons
Daniel Taton
Daniel Taton University of Bordeaux
Jean-Luc Putaux
Jean-Luc Putaux Centre national de la recherche scientifique, CNRS
Eric Cloutet
Eric Cloutet University of Bordeaux
Akira Hirao
Akira Hirao National Taiwan University
Redouane Borsali
Redouane Borsali Centre national de la recherche scientifique, CNRS
Theyencheri Narayanan
Theyencheri Narayanan European Synchrotron Radiation Facility
Takashi Ishizone
Takashi Ishizone Tokyo Institute of Technology
Jean-Luc Brédas
Jean-Luc Brédas University of Arizona

If you think any of the details on this page are incorrect, let us know.

Report an issue

We appreciate your kind effort to assist us to improve this page, it would be helpful providing us with as much detail as possible in the text box below:

Best Scientists Citing Alain Deffieux

Recently Published Articles