World's Best Scientists 2026 revealed!
Louis J. Allamandola

Louis J. Allamandola

D-Index & Metrics

Physics

D-Index
101
Citations
33897
World Ranking
1609
National Ranking
852

Louis J. Allamandola publication distribution in Physics in 2026

The chart shows the distribution of publications by all Research.com ranked scientists in the field of Physics in 2026. The highlighted bar marks where Louis J. Allamandola sits on this spectrum.

103–122 publications: 7 scientists 123–142 publications: 10 scientists 143–162 publications: 31 scientists 163–182 publications: 35 scientists 183–202 publications: 53 scientists 203–222 publications: 81 scientists 223–242 publications: 85 scientists 243–262 publications: 112 scientists 263–282 publications: 114 scientists 283–302 publications: 126 scientists 303–322 publications: 136 scientists 323–342 publications: 162 scientists 343–362 publications: 155 scientists 363–382 publications: 156 scientists 383–402 publications: 134 scientists 403–422 publications: 145 scientists 423–442 publications: 147 scientists 443–462 publications: 131 scientists 463–482 publications: 131 scientists 483–502 publications: 116 scientists 503–522 publications: 106 scientists 523–542 publications: 103 scientists 543–562 publications: 87 scientists 563–582 publications: 84 scientists 583–602 publications: 94 scientists 603–622 publications: 70 scientists 623–642 publications: 76 scientists 643–662 publications: 60 scientists 663–682 publications: 54 scientists 683–702 publications: 60 scientists 703–722 publications: 48 scientists 723–742 publications: 64 scientists 743–762 publications: 48 scientists 763–782 publications: 37 scientists 783–802 publications: 43 scientists 803–822 publications: 34 scientists 823–842 publications: 36 scientists 843–862 publications: 32 scientists 863–882 publications: 32 scientists 883–902 publications: 31 scientists 903–922 publications: 25 scientists 923–942 publications: 15 scientists 943–962 publications: 24 scientists 963–982 publications: 13 scientists 983–1,002 publications: 21 scientists 1,003–1,022 publications: 21 scientists 1,023–1,042 publications: 16 scientists 1,043–1,062 publications: 9 scientists 1,063–1,082 publications: 19 scientists 1,083–1,102 publications: 11 scientists 1,103–1,122 publications: 17 scientists 1,123–1,142 publications: 11 scientists 1,143–1,162 publications: 7 scientists 1,163–1,182 publications: 4 scientists 1,183–1,202 publications: 10 scientists 1,203–1,222 publications: 8 scientists 1,223–1,242 publications: 16 scientists 1,243–1,262 publications: 4 scientists 1,263–1,282 publications: 10 scientists 1,283–1,302 publications: 5 scientists 1,303–1,322 publications: 7 scientists 1,323–1,342 publications: 4 scientists 1,343–1,362 publications: 8 scientists 1,363–1,382 publications: 6 scientists 1,383–1,402 publications: 7 scientists 1,403–1,422 publications: 3 scientists 1,423–1,442 publications: 4 scientists 1,443–1,462 publications: 4 scientists 1,463–1,468 publications: 3 scientists 1,469+ publications: 100 scientists
103 publications 1,469+

This scientist: 420 publications — 41st percentile

41% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 1,469 publications or more.

Louis J. Allamandola D-index placement in Physics in 2026

The chart shows the D-index (discipline H-index) distribution of Physics scientists ranked by Research.com in 2026. The highlighted bar marks where Louis J. Allamandola sits on this spectrum.

70–71 D-Index: 76 scientists 72–73 D-Index: 110 scientists 74–75 D-Index: 143 scientists 76–77 D-Index: 153 scientists 78–79 D-Index: 144 scientists 80–81 D-Index: 167 scientists 82–83 D-Index: 167 scientists 84–85 D-Index: 166 scientists 86–87 D-Index: 132 scientists 88–89 D-Index: 155 scientists 90–91 D-Index: 134 scientists 92–93 D-Index: 137 scientists 94–95 D-Index: 102 scientists 96–97 D-Index: 112 scientists 98–99 D-Index: 110 scientists 100–101 D-Index: 116 scientists 102–103 D-Index: 97 scientists 104–105 D-Index: 103 scientists 106–107 D-Index: 87 scientists 108–109 D-Index: 90 scientists 110–111 D-Index: 67 scientists 112–113 D-Index: 78 scientists 114–115 D-Index: 75 scientists 116–117 D-Index: 67 scientists 118–119 D-Index: 69 scientists 120–121 D-Index: 60 scientists 122–123 D-Index: 59 scientists 124–125 D-Index: 53 scientists 126–127 D-Index: 42 scientists 128–129 D-Index: 41 scientists 130–131 D-Index: 33 scientists 132–133 D-Index: 32 scientists 134–135 D-Index: 45 scientists 136–137 D-Index: 19 scientists 138–139 D-Index: 24 scientists 140–141 D-Index: 28 scientists 142–143 D-Index: 31 scientists 144–145 D-Index: 22 scientists 146–147 D-Index: 20 scientists 148–149 D-Index: 12 scientists 150–151 D-Index: 16 scientists 152–153 D-Index: 24 scientists 154–155 D-Index: 23 scientists 156–157 D-Index: 15 scientists 158–159 D-Index: 15 scientists 160–161 D-Index: 11 scientists 162–163 D-Index: 17 scientists 164–165 D-Index: 12 scientists 166–167 D-Index: 11 scientists 168–169 D-Index: 9 scientists 170–171 D-Index: 9 scientists 172–173 D-Index: 11 scientists 174–175 D-Index: 4 scientists 176–177 D-Index: 8 scientists 178–179 D-Index: 5 scientists 180–181 D-Index: 3 scientists 182–183 D-Index: 4 scientists 184 D-Index: 4 scientists 185+ D-Index: 99 scientists
70 D-Index 185+

This scientist: 101 D-Index — 58th percentile

58% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 185 D-Index or more.

Research.com Recognitions

  • 2006 - Fellow of the American Association for the Advancement of Science (AAAS)
  • 2006 - Fellow of American Physical Society (APS) Citation For his seminal contributions in astrochemistry that have forever revolutionized our understanding of interstellar molecules, interstellar ices, and the chemical physics of the interstellar medium

Overview

Louis J. Allamandola is affiliated with the Ames Research Center in the United States. Their research spans the fields of Physics and Astronomy as well as Chemistry, with a particular focus on subfields such as Astronomy and Astrophysics, Spectroscopy, Atomic and Molecular Physics and Optics, Atmospheric Science, and Organic Chemistry.

The main topics explored in their work include Astrophysics and Star Formation Studies, Molecular Spectroscopy and Structure, Astro and Planetary Science, Stellar, Planetary, and Galactic Studies, Advanced Chemical Physics Studies, Atmospheric Ozone and Climate, and Structural and Chemical Analysis of Organic and Inorganic Compounds.

Allamandola has contributed to various publication venues, with frequent appearances in arXiv (Cornell University), The Astrophysical Journal, Astronomy and Astrophysics, ACS Earth and Space Chemistry, and The Astrophysical Journal Supplement Series.

Notable recent papers authored or co-authored include:

  • The NASA Ames PAH IR Spectroscopic Database: The Laboratory Spectra (2020, The Astrophysical Journal Supplement Series)
  • PDRs4All (2023, Astronomy and Astrophysics)
  • PDRs4All: A JWST Early Release Science Program on Radiative Feedback from Massive Stars (2022, Publications of the Astronomical Society of the Pacific)
  • PDRs4All (2024, Astronomy and Astrophysics)
  • PDRs4All (2023, Astronomy and Astrophysics)

Their frequent co-authors include Christiaan Boersma, Alexandros Maragkoudakis, E. Peeters, Timothy J. Lee, and J. Cami, reflecting collaborations across various aspects of astrophysics and spectroscopy.

Allamandola has received recognition such as the Fellow of the American Physical Society (APS) in 2006, honored for contributions in astrochemistry related to interstellar molecules, ices, and chemical physics of the interstellar medium. In the same year, Allamandola was also named Fellow of the American Association for the Advancement of Science (AAAS).

Best Publications

  • Interstellar polycyclic aromatic hydrocarbons: the infrared emission bands, the excitation/emission mechanism, and the astrophysical implications.

    L. J. Allamandola;A. G. G. M. Tielens;J. R. Barker

  • Polycyclic aromatic hydrocarbons and the unidentified infrared emission bands - Auto exhaust along the Milky Way

    L. J. Allamandola;A. G. G. M. Tielens;J. R. Barker

  • The rich 6 to 9 vec mu m spectrum of interstellar PAHs

    E. Peeters;S. Hony;C. van Kerckhoven;A.G.G.M. Tielens

  • The rich 6 to 9 um spectrum of interstellar PAHs

    E. Peeters;S. Hony;C. Van Kerckhoven;A.G.G.M. Tielens

  • Mid- and far-infrared spectroscopy of ices - Optical constants and integrated absorbances

    D. M. Hudgins;S. A. Sandford;L. J. Allamandola;A. G. G. M. Tielens

  • Photochemical and thermal evolution of interstellar/precometary ice analogs

    L.J. Allamandola;S.A. Sandford;G.J. Valero

  • Organic Compounds Produced by Photolysis of Realistic Interstellar and Cometary Ice Analogs Containing Methanol

    Max P. Bernstein;Scott A. Sandford;Louis J. Allamandola;Sherwood Chang

  • Modeling the Unidentified Infrared Emission with Combinations of Polycyclic Aromatic Hydrocarbons

    L. J. Allamandola;D. M. Hudgins;S. A. Sandford

  • The Organic Refractory Material in the Diffuse Interstellar Medium: Mid-Infrared Spectroscopic Constraints

    Y. J. Pendleton;L. J. Allamandola

  • Near-infrared absorption spectroscopy of interstellar hydrocarbon grains

    Y. J. Pendleton;S. A. Sandford;L. J. Allamandola;A. G. G. M. Tielens

  • UV irradiation of polycyclic aromatic hydrocarbons in ices : Production of alcohols, quinones, and ethers

    Max P. Bernstein;Max P. Bernstein;Scott A. Sandford;Louis J. Allamandola;J. Se B. Gillette

  • The CH out of plane bending modes of PAH molecules in astrophysical environments

    S Hony;C Van Kerckhoven;E Peeters;A. G. G. M. Tielens

  • Theoretical modeling of the infrared fluorescence from interstellar polycyclic aromatic hydrocarbons

    W. A. Schutte;A. G. G. M. Tielens;L. J. Allamandola

  • Infrared spectroscopy of dense clouds in the C-H stretch region - Methanol and 'diamonds'

    L. J. Allamandola;S. A. Sandford;A. G. G. M. Tielens;T. M. Herbst

  • Variations in the Peak Position of the 6.2 μm Interstellar Emission Feature: A Tracer of N in the Interstellar Polycyclic Aromatic Hydrocarbon Population

    Douglas M. Hudgins;Charles W. Bauschlicher;L. J. Allamandola

  • The interstellar C-H stretching band near 3.4 microns - Constraints on the composition of organic material in the diffuse interstellar medium

    S. A. Sandford;L. J. Allamandola;A. G. G. M. Tielens;K. Sellgren

  • The NASA Astrobiology Roadmap.

    David J. Des Marais;Louis J. Allamandola;Steven A. Benner;Alan P. Boss

  • The profiles of the 3 to 12 $\mu$m PAH features

    B. van Diedenhoven;E. Peeters;C. Van Kerckhoven;S. Hony

  • Laboratory studies of the infrared spectral properties of CO in astrophysical ices.

    S. A. Sandford;L. J. Allamandola;A. G. G. M. Tielens;G. J. Valero

  • Condensation and Vaporization Studies of CH3OH and NH3 Ices: Major Implications for Astrochemistry

    Scott A. Sandford;Louis J. Allamandola

Frequent Co-Authors

Charles W. Bauschlicher
Charles W. Bauschlicher Ames Research Center
Jason P. Dworkin
Jason P. Dworkin Goddard Space Flight Center
Dale P. Cruikshank
Dale P. Cruikshank University of Central Florida
Richard N. Zare
Richard N. Zare Stanford University
Harold Linnartz
Harold Linnartz Leiden University
John R. Barker
John R. Barker University of Michigan–Ann Arbor
Michael W. Werner
Michael W. Werner California Institute of Technology
Herma M. Cuppen
Herma M. Cuppen Radboud University
Ed Churchwell
Ed Churchwell University of Wisconsin–Madison

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