World's Best Scientists 2026 revealed!

D-Index & Metrics

Physics

D-Index
73
Citations
26939
World Ranking
3503
National Ranking
1654

Cedric J. Powell 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 Cedric J. Powell 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: 278 publications — 14th percentile

14% of scientists in this discipline score the same or lower.

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

Cedric J. Powell 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 Cedric J. Powell 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: 73 D-Index — 5th percentile

5% of scientists in this discipline score the same or lower.

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

Overview

Cedric J. Powell is affiliated with the National Institute of Standards and Technology in the United States. Their research primarily focuses on fields intersecting Materials Science, Physics and Astronomy, and Engineering. Within these disciplines, they have concentrated on subfields such as Surfaces, Coatings and Films, Radiation, Electrical and Electronic Engineering, Materials Chemistry, and Mechanical Engineering.

Their work extensively explores topics related to Electron and X-Ray Spectroscopy Techniques, X-ray Spectroscopy and Fluorescence Analysis, and Advancements in Photolithography Techniques. Additional topics of research engagement include Machine Learning in Materials Science, Nuclear Physics and Applications, Mineral Processing and Grinding, and Metallurgical Processes and Thermodynamics.

They have published in multiple scientific venues, with frequent contributions to the following:

  • Journal of Vacuum Science & Technology A Vacuum Surfaces and Films
  • Surface and Interface Analysis
  • Journal of Surface Analysis
  • Microscopy and Microanalysis
  • Data Science Journal

Notable recent papers authored or co-authored by Cedric J. Powell include:

  • Practical guide for inelastic mean free paths, effective attenuation lengths, mean escape depths, and information depths in x-ray photoelectron spectroscopy, 2020, Journal of Vacuum Science & Technology A Vacuum Surfaces and Films
  • Proliferation of Faulty Materials Data Analysis in the Literature, 2020, Microscopy and Microanalysis
  • Effective Attenuation Lengths for Different Quantitative Applications of X-ray Photoelectron Spectroscopy, 2020, Journal of Physical and Chemical Reference Data
  • Perspective on improving the quality of surface and material data analysis in the scientific literature with a focus on x-ray photoelectron spectroscopy (XPS), 2023, Journal of Vacuum Science & Technology A Vacuum Surfaces and Films
  • Calculations of electron inelastic mean free paths. XIII. Data for 14 organic compounds and water over the 50 eV to 200 keV range with the relativistic full Penn algorithm, 2022, Surface and Interface Analysis

Their frequent co-authors include Matthew R. Linford, Donald R. Baer, John T. Grant, Peter M. A. Sherwood, and Jeff Terry, reflecting a collaborative research approach across multiple projects.

Best Publications

  • Calculations of electron inelastic mean free paths. III. Data for 15 inorganic compounds over the 50–2000 eV range

    Shigeo Tanuma;Cedric J. Powell;David R. Penn

  • Calculations of electorn inelastic mean free paths. II. Data for 27 elements over the 50–2000 eV range

    S. Tanuma;C. J. Powell;D. R. Penn

  • Calculations of electron inelastic mean free paths for 31 materials

    Shigeo Tanuma;Cedric J. Powell;David R. Penn

  • Calculations of electron inelastic mean free paths. IX. Data for 41 elemental solids over the 50 eV to 30 keV range

    S Tanuma;Cedric J. Powell;David R. Penn

  • Attenuation lengths of low-energy electrons in solids

    Cedric J. Powell

  • elsepa—Dirac partial-wave calculation of elastic scattering of electrons and positrons by atoms, positive ions and molecules

    Francesc Salvat;Aleksander Jablonski;Cedric J. Powell

  • NIST Electron Inelastic-Mean-Free-Path Database 71, Version 1.0

    Cedric J. Powell;Aleksander Jablonski

  • Origin of the Characteristic Electron Energy Losses in Magnesium

    C. J. Powell;J. B. Swan

  • Evaluation of Calculated and Measured Electron Inelastic Mean Free Paths Near Solid Surfaces

    Cedric J. Powell;Aleksander Jablonski

  • Calculations of Electron Inelastic Mean Free Paths (IMFPs) IV. Evaluation of Calculated IMFPs and of the Predictive IMFP Formula TPP-2 for Electron Energies between 50 and 2000 eV

    Shigeo Tanuma;Cedric J. Powell;David R. Penn

  • Calculations of electron inelastic mean free paths

    S. Tanuma;C. J. Powell;D. R. Penn

  • Calculation of electron inelastic mean free paths (IMFPs) VII. Reliability of the TPP-2M IMFP predictive equation †

    S Tanuma;Cedric J. Powell;David R. Penn

  • Cross sections for ionization of inner-shell electrons by electrons

    Cedric J. Powell

  • The NIST Electron Effective-Attenuation-Length Database

    C.J. Powell;A. Jablonski

  • Recommended Auger parameters for 42 elemental solids

    Cedric J. Powell

  • The NIST x‐ray photoelectron spectroscopy database

    J. R. Rumble;D. M. Bickham;C. J. Powell

  • Calculations of electron inelastic mean free paths. X. Data for 41 elemental solids over the 50 eV to 200 keV range with the relativistic full Penn algorithm

    Hiroshi Shinotsuka;Shigeo Tanuma;Cedric J. Powell;David R. Penn

  • Effect of Oxidation on the Characteristic Loss Spectra of Aluminum and Magnesium

    C. J. Powell;J. B. Swan

  • Precision, accuracy, and uncertainty in quantitative surface analyses by Auger‐electron spectroscopy and x‐ray photoelectron spectroscopy

    C. J. Powell;M. P. Seah

  • Proposed formula for electron inelastic mean free paths based on calculations for 31 materials

    Shigeo Tanuma;Cedric J. Powell;David R. Penn

Frequent Co-Authors

Aleksander Jablonski
Aleksander Jablonski Polish Academy of Sciences
Ami E. Berkowitz
Ami E. Berkowitz University of California, San Diego
Peter M. A. Sherwood
Peter M. A. Sherwood University of Washington
Donald R. Baer
Donald R. Baer Pacific Northwest National Laboratory
David G. Castner
David G. Castner University of Washington
Raja Devesh Kumar Misra
Raja Devesh Kumar Misra The University of Texas at El Paso
Kateryna Artyushkova
Kateryna Artyushkova Physical Electronics, Inc.
Mark H. Engelhard
Mark H. Engelhard Pacific Northwest National Laboratory
Karen L. Kavanagh
Karen L. Kavanagh Simon Fraser University
Hideki Yoshikawa
Hideki Yoshikawa Osaka University

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