World's Best Scientists 2026 revealed!

D-Index & Metrics

Chemistry

D-Index
69
Citations
15538
World Ranking
6261
National Ranking
1906

Millard H. Alexander publication distribution in Chemistry in 2026

The chart shows the distribution of publications by all Research.com ranked scientists in the field of Chemistry in 2026. The highlighted bar marks where Millard H. Alexander sits on this spectrum.

61–80 publications: 66 scientists 81–100 publications: 302 scientists 101–120 publications: 623 scientists 121–140 publications: 918 scientists 141–160 publications: 1,218 scientists 161–180 publications: 1,350 scientists 181–200 publications: 1,344 scientists 201–220 publications: 1,281 scientists 221–240 publications: 1,216 scientists 241–260 publications: 1,100 scientists 261–280 publications: 979 scientists 281–300 publications: 939 scientists 301–320 publications: 764 scientists 321–340 publications: 643 scientists 341–360 publications: 628 scientists 361–380 publications: 522 scientists 381–400 publications: 459 scientists 401–420 publications: 397 scientists 421–440 publications: 327 scientists 441–460 publications: 270 scientists 461–480 publications: 265 scientists 481–500 publications: 252 scientists 501–520 publications: 201 scientists 521–540 publications: 185 scientists 541–560 publications: 148 scientists 561–580 publications: 148 scientists 581–600 publications: 132 scientists 601–620 publications: 114 scientists 621–640 publications: 104 scientists 641–660 publications: 91 scientists 661–680 publications: 92 scientists 681–700 publications: 73 scientists 701–720 publications: 57 scientists 721–740 publications: 54 scientists 741–760 publications: 67 scientists 761–780 publications: 45 scientists 781–800 publications: 46 scientists 801–820 publications: 39 scientists 821–840 publications: 32 scientists 841–860 publications: 36 scientists 861–880 publications: 29 scientists 881–900 publications: 26 scientists 901–920 publications: 24 scientists 921–940 publications: 14 scientists 941–960 publications: 23 scientists 961–980 publications: 28 scientists 981–1,000 publications: 15 scientists 1,001–1,020 publications: 29 scientists 1,021–1,040 publications: 12 scientists 1,041–1,060 publications: 19 scientists 1,061–1,080 publications: 12 scientists 1,081–1,100 publications: 6 scientists 1,101–1,120 publications: 8 scientists 1,121–1,140 publications: 12 scientists 1,141–1,160 publications: 5 scientists 1,161–1,180 publications: 6 scientists 1,181–1,200 publications: 14 scientists 1,201–1,220 publications: 7 scientists 1,221–1,240 publications: 2 scientists 1,241–1,260 publications: 6 scientists 1,261–1,280 publications: 4 scientists 1,281–1,294 publications: 6 scientists 1,295+ publications: 100 scientists
61 publications 1,295+

This scientist: 345 publications — 72nd percentile

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

The last bar groups every scientist with 1,295 publications or more.

Millard H. Alexander D-index placement in Chemistry in 2026

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

40–41 D-Index: 289 scientists 42–43 D-Index: 612 scientists 44–45 D-Index: 808 scientists 46–47 D-Index: 776 scientists 48–49 D-Index: 835 scientists 50–51 D-Index: 861 scientists 52–53 D-Index: 872 scientists 54–55 D-Index: 933 scientists 56–57 D-Index: 1,051 scientists 58–59 D-Index: 930 scientists 60–61 D-Index: 882 scientists 62–63 D-Index: 834 scientists 64–65 D-Index: 731 scientists 66–67 D-Index: 775 scientists 68–69 D-Index: 683 scientists 70–71 D-Index: 646 scientists 72–73 D-Index: 561 scientists 74–75 D-Index: 501 scientists 76–77 D-Index: 437 scientists 78–79 D-Index: 388 scientists 80–81 D-Index: 354 scientists 82–83 D-Index: 292 scientists 84–85 D-Index: 275 scientists 86–87 D-Index: 254 scientists 88–89 D-Index: 235 scientists 90–91 D-Index: 185 scientists 92–93 D-Index: 192 scientists 94–95 D-Index: 155 scientists 96–97 D-Index: 163 scientists 98–99 D-Index: 125 scientists 100–101 D-Index: 105 scientists 102–103 D-Index: 105 scientists 104–105 D-Index: 112 scientists 106–107 D-Index: 88 scientists 108–109 D-Index: 68 scientists 110–111 D-Index: 69 scientists 112–113 D-Index: 65 scientists 114–115 D-Index: 79 scientists 116–117 D-Index: 61 scientists 118–119 D-Index: 44 scientists 120–121 D-Index: 37 scientists 122–123 D-Index: 40 scientists 124–125 D-Index: 33 scientists 126–127 D-Index: 26 scientists 128–129 D-Index: 34 scientists 130–131 D-Index: 35 scientists 132–133 D-Index: 25 scientists 134–135 D-Index: 27 scientists 136–137 D-Index: 17 scientists 138–139 D-Index: 16 scientists 140–141 D-Index: 20 scientists 142–143 D-Index: 20 scientists 144–145 D-Index: 15 scientists 146–147 D-Index: 9 scientists 148–149 D-Index: 9 scientists 150–151 D-Index: 16 scientists 152–153 D-Index: 11 scientists 154–155 D-Index: 9 scientists 156–157 D-Index: 3 scientists 158 D-Index: 3 scientists 159+ D-Index: 98 scientists
40 D-Index 159+

This scientist: 69 D-Index — 66th percentile

66% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 159 D-Index or more.

Overview

Millard H. Alexander is affiliated with the University of Maryland, College Park in the United States. Their research primarily spans the fields of Physics and Astronomy, Chemistry, and Earth and Planetary Sciences. Within these broader disciplines, their work focuses on Atomic and Molecular Physics, and Optics, Spectroscopy, Atmospheric Science, Astronomy and Astrophysics, as well as Global and Planetary Change.

Their research topics include:

  • Spectroscopy and Laser Applications
  • Advanced Chemical Physics Studies
  • Atmospheric Ozone and Climate
  • Cold Atom Physics and Bose-Einstein Condensates
  • Spectroscopy and Quantum Chemical Studies
  • Astrophysics and Star Formation Studies
  • Quantum, superfluid, helium dynamics

Several recent publications provide insight into Alexander's research contributions:

  • Hibridon: A program suite for time-independent non-reactive quantum scattering calculations, 2023, Computer Physics Communications
  • The excitation of OH by H2 revisited - II. Hyperfine resolved rate coefficients, 2020, Monthly Notices of the Royal Astronomical Society
  • Rotational energy transfer kinetics of optically centrifuged CO molecules investigated through transient IR spectroscopy and master equation simulations, 2022, Faraday Discussions
  • Development of the Time-Independent Methods for the Cl + H2/F + HD Reaction Using Hyper-Spherical Coordinates Including (Full) Spin-Orbit Characteristics, 2024, Journal of Chemical Theory and Computation
  • Nascent Rotational Distributions of CO Excited by Optical Centrifuge and Master Equation Modeling of Collisional Energy Transfer, 2021, Frontiers in Optics + Laser Science 2021

Frequent coauthors collaborating with Alexander include:

  • Paul J. Dagdigian
  • Jacek Kłos
  • François Lique
  • Matthew R. Laskowski
  • Amy S. Mullin

Alexander's work has appeared in various scientific venues, reflecting the interdisciplinary nature of their research:

  • Computer Physics Communications
  • Faraday Discussions
  • Monthly Notices of the Royal Astronomical Society
  • Journal of Chemical Theory and Computation
  • Frontiers in Optics + Laser Science 2021

Best Publications

  • A stable linear reference potential algorithm for solution of the quantum close‐coupled equations in molecular scattering theory

    Millard H. Alexander;David E. Manolopoulos

  • Rotationally inelastic collisions between a diatomic molecule in a2Π electronic state and a structureless target

    Millard H. Alexander

  • Quantum treatment of rotationally inelastic collisions involving molecules in II electronic states: New derivation of the coupling potential

    Millard H. Alexander

  • An investigation of the F+H2 reaction based on a full ab initio description of the open-shell character of the F(2P) atom

    Millard H. Alexander;David E. Manolopoulos;Hans-Joachim Werner

  • Adiabatic and diabatic potential energy surfaces for collisions of CN(X 2Σ+, A 2Π) with He

    Hans‐Joachim Werner;Bernd Follmeg;Millard H. Alexander

  • A nomenclature for Λ‐doublet levels in rotating linear molecules

    M. H. Alexander;P. Andresen;R. Bacis;R. Bersohn

  • BASECOL2012: A collisional database repository and web service within the Virtual Atomic and Molecular Data Centre (VAMDC)

    Marie-Lise Dubernet;M.H. Alexander;Y.A. Ba;N. Balakrishnan

  • Dipolar model for collisional energy transfer between dark and radiating excited electronic states: CaO(A′ 1Π, a 3Π) +N2O ⇄ CaO(A 1Σ+)+N2O

    Millard H. Alexander

  • Theoretical study of the validity of the Born-Oppenheimer approximation in the Cl + H2 --> HCl + H reaction.

    Millard H. Alexander;Gabriella Capecchi;Hans-Joachim Werner

  • Spin–orbit effects in the reaction of F(2P) with H2

    Millard H. Alexander;Hans-Joachim Werner;David E. Manolopoulos

  • Breakdown of the Born-Oppenheimer approximation in the F+ o-D2 -> DF + D reaction.

    Li Che;Zefeng Ren;Xingan Wang;Wenrui Dong

  • Clarification of the electronic asymmetry in Π‐state Λ doublets with some implications for molecular collisions

    Millard H. Alexander;Paul J. Dagdigian

  • Global geometry optimization of (Ar)n and B(Ar)n clusters using a modified genetic algorithm

    Susan K. Gregurick;Millard H. Alexander;Bernd Hartke

  • Quantum scattering studies of electronically inelastic collisions of CN (X 2Σ+, A 2Π) with He

    Hans‐Joachim Werner;Bernd Follmeg;Millard H. Alexander;Didier Lemoine

  • The inelastic scattering of 2Π [case (b)] molecules and an understanding of the differing Λ doublet propensities for molecules of π vs π3 orbital occupancy

    Paul J. Dagdigian;Millard H. Alexander;Kopin Liu

  • A new, fully ab initio investigation of the NO(X 2Π)Ar system. I. Potential energy surfaces and inelastic scattering

    Millard H. Alexander

  • Symmetry considerations in the quantum treatment of collisions between two diatomic molecules

    Millard H. Alexander;Andrew E. DePristo

  • Collision induced transitions between 2Π and 2Σ states of diatomic molecules: Quantum theory and collisional propensity rules

    Millard H. Alexander;Gregory C. Corey

  • Differential and integral cross sections for the inelastic scattering of NO (X 2Π) by Ar based on a new ab initio potential energy surface

    Millard H. Alexander

  • Spin–orbit branching in the photofragmentation of HCl

    Millard H. Alexander;Brigitte Pouilly;Thierry Duhoo

  • Rotationally inelastic collisions between a diatomic molecule in a 2Σ+ electronic state and a structureless target

    Unknown

Frequent Co-Authors

Paul J. Dagdigian
Paul J. Dagdigian Johns Hopkins University
Hans-Joachim Werner
Hans-Joachim Werner University of Stuttgart
Andrew E. DePristo
Andrew E. DePristo Iowa State University
David E. Manolopoulos
David E. Manolopoulos University of Oxford
Hua Guo
Hua Guo University of New Mexico
Daniel M. Neumark
Daniel M. Neumark University of California, Berkeley
Ad van der Avoird
Ad van der Avoird Radboud University
Dong H. Zhang
Dong H. Zhang Dalian Institute of Chemical Physics
Xueming Yang
Xueming Yang Dalian Institute of Chemical Physics
Marsha I. Lester
Marsha I. Lester University of Pennsylvania

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:

Related Online Degrees & Career Pathways

For students interested in expanding their expertise beyond traditional Chemistry, several related fields offer promising educational and career opportunities. Pursuing online forensic science courses can be a valuable choice, blending analytical chemistry skills with criminal investigation techniques.

Those aiming for advanced specialization might consider an online forensic psychology masters, which complements scientific inquiry with behavioral understanding—useful in profiling and investigative contexts. This path often leads to diverse roles in psychological analysis within the criminal justice system.

Exploring forensic careers reveals a wide array of options ranging from laboratory analysts to field experts. The integration of chemistry knowledge can be pivotal in areas such as toxicology and digital forensics, driving impactful contributions to public safety.

When considering these pathways, it’s essential to evaluate the financial aspects. Reviewing the costs associated with an online criminal justice degree helps prospective students understand tuition fees and additional expenses, enabling better planning for their educational investment.

Best Scientists Citing Millard H. Alexander

Trending Scientists

Recently Published Articles