World's Best Scientists 2026 revealed!

D-Index & Metrics

Chemistry

D-Index
92
Citations
30207
World Ranking
1883
National Ranking
697

A. W. Castleman 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 A. W. Castleman 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: 571 publications — 92nd percentile

92% of scientists in this discipline score the same or lower.

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

A. W. Castleman 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 A. W. Castleman 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: 92 D-Index — 90th percentile

90% of scientists in this discipline score the same or lower.

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

Research.com Recognitions

  • 1985 - Fellow of the American Association for the Advancement of Science (AAAS)

Overview

A. W. Castleman was affiliated with Pennsylvania State University in the United States. The record indicates the scientist was deceased.

Castleman's scholarly output includes a range of research topics, though specific publications, co-authors, and frequent publication venues are not documented in the available data.

The scientist was recognized as a Fellow of the American Association for the Advancement of Science (AAAS) in 1985.

Best Publications

  • Clusters: Structure, Energetics, and Dynamics of Intermediate States of Matter

    A.W. Castleman;K.H. Bowen

  • Thermochemical Data on Gas‐Phase Ion‐Molecule Association and Clustering Reactions

    R. G. Keesee;A. W. Castleman

  • Cluster-Assembled Materials

    Shelley A. Claridge;A. W. Castleman;Shiv N. Khanna;Christopher B. Murray

  • Ti8C12+-Metallo-Carbohedrenes: A New Class of Molecular Clusters?

    B. C. Guo;K. P. Kerns;A. W. Castleman

  • Formation of Al13I-: evidence for the superhalogen character of Al13.

    Denis E. Bergeron;A. Welford Castleman;Tsuguo Morisato;Shiv N. Khanna

  • Clusters, Superatoms, and Building Blocks of New Materials†

    A. W. Castleman;S. N. Khanna

  • Al Cluster Superatoms as Halogens in Polyhalides and as Alkaline Earths in Iodide Salts

    D. E. Bergeron;D. E. Bergeron;P. J. Roach;P. J. Roach;A. W. Castleman;A. W. Castleman;N. O. Jones;N. O. Jones

  • Reactivity of Metal Clusters.

    Zhixun Luo;A. W. Castleman;Shiv N. Khanna

  • Metallo-Carbohedrenes [M8C12+ (M = V, Zr, Hf, and Ti)]: A Class of Stable Molecular Cluster Ions.

    B. C. Guo;S. Wei;J. Purnell;S. Buzza

  • Thermal metal cluster anion reactions: Behavior of aluminum clusters with oxygen

    R. E. Leuchtner;A. C. Harms;A. W. Castleman

  • Special and general superatoms.

    Unknown

  • Mixed cluster ions as a structure probe: Experimental evidence for clathrate structure of (H2O)20H+ and (H2O)21H+

    S. Wei;Z. Shi;A. W. Castleman

  • Complementary active sites cause size-selective reactivity of aluminum cluster anions with water.

    Patrick J. Roach;W. Hunter Woodward;A. W. Castleman;Arthur C. Reber

  • Clusters: A bridge across the disciplines of physics and chemistry

    Puru Jena;A. W. Castleman

  • Reactivity of atomic gold anions toward oxygen and the oxidation of CO: experiment and theory.

    Kimble Ml;Castleman Aw;Mitrić R;Bürgel C

  • The thermochemical properties of gas‐phase transition metal ion complexes

    Paul M. Holland;A. W. Castleman

  • Theoretical and experimental consideration of the reactions between VxOy+ and ethylene

    Dina R. Justes;Roland Mitrić;Nelly A. Moore;Vlasta Bonačić-Koutecký

  • Studies of Metal Oxide Clusters: Elucidating Reactive Sites Responsible for the Activity of Transition Metal Oxide Catalysts

    K. A. Zemski;D. R. Justes;A. W. Castleman

  • Isotopic studies of the sulfur component of the stratospheric aerosol layer

    A. W. Castleman;H. R. Munkelwitz;B. Manowitz

  • Multiple valence superatoms.

    J. U. Reveles;S. N. Khanna;P. J. Roach;A. W. Castleman

  • Stabilities and structures of gas phase MgO clusters

    Paul J. Ziemann;A. W. Castleman

Frequent Co-Authors

Shiv N. Khanna
Shiv N. Khanna Virginia Commonwealth University
Roland Mitrić
Roland Mitrić University of Würzburg
Tilmann D. Märk
Tilmann D. Märk University of Innsbruck
Vlasta Bonačić-Koutecký
Vlasta Bonačić-Koutecký University of Split
Paul J. Ziemann
Paul J. Ziemann University of Colorado Boulder
Puru Jena
Puru Jena Virginia Commonwealth University
Ayusman Sen
Ayusman Sen Pennsylvania State University
Paul S. Weiss
Paul S. Weiss University of California, Los Angeles
Qiang Sun
Qiang Sun Peking University
Bruce D. Kay
Bruce D. Kay Pacific Northwest National Laboratory

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 programs, online degrees in related fields offer promising opportunities. One such option is pursuing the cheapest online forensic science degree, which combines principles of chemistry with criminal investigations. These affordable programs make it easier to enter specialized fields without a significant financial burden.

Additionally, those seeking advanced knowledge might consider an online master's degree in forensic psychology. This degree bridges the gap between understanding chemical evidence and the psychological aspects behind criminal behavior, offering diverse career pathways.

Career options related to Chemistry often intersect with forensic science. Exploring forensic career paths reveals roles in crime labs, law enforcement agencies, and governmental research institutions, highlighting a blend of scientific analysis and legal applications.

When considering these programs, understanding how much is a criminal justice degree can provide valuable insights into the financial investment required. This knowledge helps students plan their education and career trajectory more effectively while aligning with their budget.

Best Scientists Citing A. W. Castleman