World's Best Scientists 2026 revealed!

D-Index & Metrics

Materials Science

D-Index
63
Citations
13495
World Ranking
6221
National Ranking
1586

Robert J. Twieg 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 Robert J. Twieg 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: 363 publications — 72nd percentile

72% of scientists in this discipline score the same or lower.

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

Robert J. Twieg 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 Robert J. Twieg 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: 63 D-Index — 53rd percentile

53% of scientists in this discipline score the same or lower.

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

Overview

Robert J. Twieg is affiliated with Kent State University in the United States and focuses their research predominantly in the field of Materials Science. Their work spans several subfields, including Electronic, Optical and Magnetic Materials, Materials Chemistry, Computer Networks and Communications, Organic Chemistry, and Physical and Theoretical Chemistry.

The main topics explored in their research include Liquid Crystal Research Advancements, Nonlinear Dynamics and Pattern Formation, Surfactants and Colloidal Systems, Photochemistry and Electron Transfer Studies, Molecular Spectroscopy and Chirality, Crystallization and Solubility Studies, and X-ray Diffraction in Crystallography.

Twieg's recent papers illustrate their continued involvement with liquid crystal materials and soft matter systems. Notable recent publications include:

  • Multiple ferroelectric nematic phases of a highly polar liquid crystal compound, 2022, Liquid Crystals
  • Ferroelectric nematic droplets in their isotropic melt, 2022, Soft Matter
  • Fluorinated triphenylenes and a path to short tailed discotic liquid crystals: synthesis, structure and transport properties, 2021, Materials Advances
  • Designing chemically selective liquid crystalline materials that respond to oxidizing gases, 2021, Journal of Materials Chemistry C
  • Design of Chemoresponsive Soft Matter Using Hydrogen-Bonded Liquid Crystals, 2021, Materials

Their research work has been published frequently in several venues. The most common outlets for their publications are:

  • Liquid Crystals
  • arXiv (Cornell University)
  • The Cambridge Structural Database
  • Soft Matter
  • Materials Advances

As for scientific collaboration, Twieg works regularly with several coauthors, including:

  • Antal Jákli
  • Parikshit Guragain
  • Manos Mavrikakis
  • Nicholas L. Abbott
  • Pawan Nepal

The concentration of Twieg's research on liquid crystalline materials, their physicochemical properties, and responsive behaviors aligns with their expertise in materials chemistry and physical chemistry. Their interdisciplinary approach also incorporates elements of optics, magnetic materials, and computational aspects related to networks and communications.

Best Publications

  • Observation of the photorefractive effect in a polymer.

    Stephen Ducharme;J. C. Scott;R. J. Twieg;W. E. Moerner

  • Broadband terahertz characterization of the refractive index and absorption of some important polymeric and organic electro-optic materials

    Paul D. Cunningham;Nestor N. Valdes;Felipe A. Vallejo;L. Michael Hayden

  • Organic Glasses: A New Class of Photorefractive Materials

    P. M. Lundquist;R. Wortmann;C. Geletneky;R. J. Twieg

  • Nonlinear optical chromophores with large hyperpolarizabilities and enhanced thermal stabilities

    Christopher R. Moylan;Robert J. Twieg;Victor Y. Lee;Sally A. Swanson

  • Corona poling and real‐time second‐harmonic generation study of a novel covalently functionalized amorphous nonlinear optical polymer

    M. Eich;A. Sen;H. Looser;G. C. Bjorklund

  • Electrochromic and optical waveguide studies of corona-poled electro-optic polymer films

    Ralph H. Page;M. C. Jurich;B. Reck;A. Sen

  • Structural studies of semifluorinated n-alkanes. 1. Synthesis and characterization of F(CF2)n(CH2)mH in the solid state

    John F. Rabolt;T. P. Russell;R. J. Twieg

  • A solvatochromic method for determining second-order polarizabilities of organic molecules

    M. S. Paley;J. M. Harris;H. Looser;J. C. Baumert

  • Investigation of two-photon absorption properties in branched alkene and alkyne chromophores.

    Ajit Bhaskar;Guda Ramakrishna;Zhikuan Lu;Robert Twieg

  • (DICYANOMETHYLENE)PYRAN DERIVATIVES WITH C2V SYMMETRY : AN UNUSUAL CLASS OF NONLINEAR OPTICAL CHROMOPHORES

    Christopher R. Moylan;Susan Ermer;Steven M. Lovejoy;I-Heng McComb

  • Highly efficient and stable nonlinear optical polymers via chemical cross‐linking under electric field

    D. Jungbauer;B. Reck;R. Twieg;D. Y. Yoon

  • Coherent effects in energy transport in model dendritic structures investigated by ultrafast fluorescence anisotropy spectroscopy.

    Oleg P. Varnavski;Jacek C. Ostrowski;Ludmila Sukhomlinova;Robert J. Twieg

  • High-speed photorefractive polymer composites

    D. Wright;M. A. Dı́az-Garcı́a;J. D. Casperson;M. DeClue

  • Structural characterization of semifluorinated n-alkanes. 2. Solid-solid transition behavior

    Thomas P. Russell;John F. Rabolt;Robert J. Twieg;Richard L. Siemens

  • Orientational decay in poled second‐order nonlinear optical guest‐host polymers: Temperature dependence and effects of poling geometry

    M. Stähelin;C. A. Walsh;D. M. Burland;R. D. Miller

  • High performance photorefractive polymer with improved stability

    A. Grunnet-Jepsen;C. L. Thompson;R. J. Twieg;W. E. Moerner

  • Photorefractive Properties of Poly(N-vinyl carbazole)-Based Composites for High-Speed Applications

    M. A. Diaz-Garcia;D. Wright;J. D. Casperson;B. Smith

  • Transitions to Liquid Crystalline Phases in a Semifluorinated Alkane

    C. Viney;T. P. Russell;L. E. Depero;R. J. Twieg

  • Temperature dependence of the third‐order nonlinear optical susceptibilities in polysilanes and polygermanes

    J.‐C. Baumert;G. C. Bjorklund;D. H. Jundt;M. C. Jurich

  • Observations of a gel phase in binary mixtures of semifluorinated n-alkanes with hydrocarbon liquids

    Robert J. Twieg;Thomas P. Russell;R. Siemens;John F. Rabolt

  • Re‐evaluation of the thermal stability of optically nonlinear polymeric guest‐host systems

    M. Stähelin;D. M. Burland;M. Ebert;R. D. Miller

Frequent Co-Authors

W. E. Moerner
W. E. Moerner Stanford University
Do Y. Yoon
Do Y. Yoon Stanford University
Willi Volksen
Willi Volksen IBM (United States)
Robert D. Miller
Robert D. Miller Stanford University
Stephen Ducharme
Stephen Ducharme University of Nebraska–Lincoln
Thomas P. Russell
Thomas P. Russell University of Massachusetts Amherst
Ayusman Sen
Ayusman Sen Pennsylvania State University
Rudolf Zentel
Rudolf Zentel Johannes Gutenberg University of Mainz
C. Grant Willson
C. Grant Willson The University of Texas at Austin
Jean M. J. Fréchet
Jean M. J. Fréchet University of California, Berkeley

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 Robert J. Twieg

Trending Scientists

Recently Published Articles