World's Best Scientists 2026 revealed!

D-Index & Metrics

Engineering and Technology

D-Index
48
Citations
5830
World Ranking
4705
National Ranking
1344

Richard R. Hofer publication distribution in Engineering and Technology in 2026

The chart shows the distribution of publications by all Research.com ranked scientists in the field of Engineering and Technology in 2026. The highlighted bar marks where Richard R. Hofer sits on this spectrum.

38–47 publications: 20 scientists 48–57 publications: 35 scientists 58–67 publications: 96 scientists 68–77 publications: 135 scientists 78–87 publications: 190 scientists 88–97 publications: 259 scientists 98–107 publications: 283 scientists 108–117 publications: 369 scientists 118–127 publications: 341 scientists 128–137 publications: 386 scientists 138–147 publications: 372 scientists 148–157 publications: 457 scientists 158–167 publications: 415 scientists 168–177 publications: 407 scientists 178–187 publications: 421 scientists 188–197 publications: 378 scientists 198–207 publications: 403 scientists 208–217 publications: 317 scientists 218–227 publications: 346 scientists 228–237 publications: 321 scientists 238–247 publications: 260 scientists 248–257 publications: 280 scientists 258–267 publications: 240 scientists 268–277 publications: 214 scientists 278–287 publications: 242 scientists 288–297 publications: 203 scientists 298–307 publications: 166 scientists 308–317 publications: 154 scientists 318–327 publications: 175 scientists 328–337 publications: 159 scientists 338–347 publications: 99 scientists 348–357 publications: 131 scientists 358–367 publications: 106 scientists 368–377 publications: 118 scientists 378–387 publications: 97 scientists 388–397 publications: 108 scientists 398–407 publications: 82 scientists 408–417 publications: 71 scientists 418–427 publications: 64 scientists 428–437 publications: 55 scientists 438–447 publications: 54 scientists 448–457 publications: 60 scientists 458–467 publications: 47 scientists 468–477 publications: 40 scientists 478–487 publications: 30 scientists 488–497 publications: 29 scientists 498–507 publications: 38 scientists 508–517 publications: 40 scientists 518–527 publications: 32 scientists 528–537 publications: 23 scientists 538–547 publications: 28 scientists 548–557 publications: 23 scientists 558–567 publications: 19 scientists 568–577 publications: 16 scientists 578–587 publications: 17 scientists 588–597 publications: 18 scientists 598–607 publications: 22 scientists 608–617 publications: 15 scientists 618–627 publications: 9 scientists 628–637 publications: 11 scientists 638–647 publications: 21 scientists 648–657 publications: 12 scientists 658–667 publications: 9 scientists 668–677 publications: 11 scientists 678–687 publications: 9 scientists 688–697 publications: 6 scientists 698–707 publications: 14 scientists 708–717 publications: 7 scientists 718–727 publications: 8 scientists 728–737 publications: 10 scientists 738–747 publications: 9 scientists 748–757 publications: 5 scientists 758–767 publications: 5 scientists 768–777 publications: 11 scientists 778–787 publications: 7 scientists 788–797 publications: 2 scientists 798–803 publications: 4 scientists 804+ publications: 100 scientists
38 publications 804+

This scientist: 155 publications — 29th percentile

29% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 804 publications or more.

Richard R. Hofer D-index placement in Engineering and Technology in 2026

The chart shows the D-index (discipline H-index) distribution of Engineering and Technology scientists ranked by Research.com in 2026. The highlighted bar marks where Richard R. Hofer sits on this spectrum.

30 D-Index: 59 scientists 31 D-Index: 114 scientists 32 D-Index: 129 scientists 33 D-Index: 189 scientists 34 D-Index: 200 scientists 35 D-Index: 262 scientists 36 D-Index: 311 scientists 37 D-Index: 312 scientists 38 D-Index: 350 scientists 39 D-Index: 385 scientists 40 D-Index: 348 scientists 41 D-Index: 362 scientists 42 D-Index: 426 scientists 43 D-Index: 380 scientists 44 D-Index: 310 scientists 45 D-Index: 341 scientists 46 D-Index: 301 scientists 47 D-Index: 306 scientists 48 D-Index: 271 scientists 49 D-Index: 246 scientists 50 D-Index: 210 scientists 51 D-Index: 253 scientists 52 D-Index: 213 scientists 53 D-Index: 221 scientists 54 D-Index: 195 scientists 55 D-Index: 186 scientists 56 D-Index: 170 scientists 57 D-Index: 167 scientists 58 D-Index: 166 scientists 59 D-Index: 144 scientists 60 D-Index: 152 scientists 61 D-Index: 141 scientists 62 D-Index: 138 scientists 63 D-Index: 131 scientists 64 D-Index: 118 scientists 65 D-Index: 114 scientists 66 D-Index: 119 scientists 67 D-Index: 95 scientists 68 D-Index: 87 scientists 69 D-Index: 77 scientists 70 D-Index: 89 scientists 71 D-Index: 69 scientists 72 D-Index: 54 scientists 73 D-Index: 46 scientists 74 D-Index: 55 scientists 75 D-Index: 54 scientists 76 D-Index: 49 scientists 77 D-Index: 53 scientists 78 D-Index: 46 scientists 79 D-Index: 28 scientists 80 D-Index: 39 scientists 81 D-Index: 36 scientists 82 D-Index: 24 scientists 83 D-Index: 26 scientists 84 D-Index: 36 scientists 85 D-Index: 18 scientists 86 D-Index: 25 scientists 87 D-Index: 19 scientists 88 D-Index: 26 scientists 89 D-Index: 27 scientists 90 D-Index: 23 scientists 91 D-Index: 15 scientists 92 D-Index: 12 scientists 93 D-Index: 9 scientists 94 D-Index: 15 scientists 95 D-Index: 10 scientists 96 D-Index: 13 scientists 97 D-Index: 13 scientists 98 D-Index: 9 scientists 99 D-Index: 7 scientists 100 D-Index: 7 scientists 101 D-Index: 8 scientists 102 D-Index: 7 scientists 103 D-Index: 7 scientists 104 D-Index: 9 scientists 105 D-Index: 6 scientists 106 D-Index: 9 scientists 107+ D-Index: 99 scientists
30 D-Index 107+

This scientist: 48 D-Index — 55th percentile

55% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 107 D-Index or more.

Overview

Richard R. Hofer is affiliated with the Jet Propulsion Laboratory in the United States. Their primary field of study is Engineering, with a focus on Electrical and Electronic Engineering, which constitutes the majority of their published work. Additional subfields include Mechanics of Materials, Materials Chemistry, Mechanical Engineering, and Artificial Intelligence.

Their research topics cover a range of subjects related to plasma physics, propulsion, and materials science. Major topics in their work include:

  • Plasma Diagnostics and Applications
  • Electrohydrodynamics and Fluid Dynamics
  • Magnetic Field Sensors Techniques
  • Laser-induced Spectroscopy and Plasma
  • Radiation Effects in Electronics
  • Graphene Research and Applications
  • Cryptographic Implementations and Security

Richard R. Hofer has contributed to multiple scientific publications, often appearing in journals and forums specializing in applied physics and propulsion technology. Frequent publication venues where their work appears include:

  • Journal of Applied Physics
  • AIAA Propulsion and Energy 2020 Forum
  • AIAA Propulsion and Energy 2021 Forum
  • Journal of Electric Propulsion
  • Default Digital Object Group

Frequent co-authors assisting in research and publications are:

  • Jason D. Frieman
  • Hani Kamhawi
  • Peter Y. Peterson
  • Jon Mackey
  • Vernon H. Chaplin

Notable recent papers authored or co-authored by Richard R. Hofer include:

  • Time-resolved ion velocity measurements in a high-power Hall thruster using laser-induced fluorescence with transfer function averaging, 2020, Applied Physics Letters
  • Wear trends of the 12.5 kW HERMeS Hall thruster, 2021, Journal of Applied Physics
  • Electric Propulsion for the Psyche Mission: Development Activities and Status, 2020, AIAA Propulsion and Energy 2020 Forum
  • Processing-Microstructure-Property Relationships in a Laser-Deposited Fe-Co-V Alloy, 2021, Advanced Engineering Materials
  • Ion Velocity Characterization of the 12.5-kW Advanced Electric Propulsion System Engineering Hall Thruster, 2021, AIAA Propulsion and Energy 2021 Forum

Best Publications

  • Magnetic shielding of a laboratory Hall thruster. I. Theory and validation

    Ioannis G. Mikellides;Ira Katz;Richard R. Hofer;Dan M. Goebel

  • Development and Characterization of High-Efficiency, High-Specific Impulse Xenon Hall Thrusters

    Richard Robert Hofer

  • Magnetic shielding of a laboratory Hall thruster. II. Experiments

    Richard R. Hofer;Dan M. Goebel;Ioannis G. Mikellides;Ira Katz

  • Magnetic Shielding of the Channel Walls in a Hall Plasma Accelerator

    Ioannis G. Mikellides;Ira Katz;Richard R. Hofer;Dan M. Goebel

  • Laboratory Model 50 kW Hall Thruster

    David Manzella;Robert Jankovsky;Richard Hofer

  • Magnetic shielding of walls from the unmagnetized ion beam in a Hall thruster

    Ioannis G. Mikellides;Ira Katz;Richard R. Hofer;Dan M. Goebel

  • Survey of Propulsion Technologies Applicable to Cubesats

    Juergen Mueller;Richard Hofer;John Ziemer

  • High-specific impulse Hall thrusters, part 1: Influence of current density and magnetic field

    Richard R. Hofer;Robert S. Jankovsky;Alec D. Gallimore

  • High-Specific Impulse Hall Thrusters, Part 2: Efficiency Analysis

    Richard R. Hofer;Richard R. Hofer;Alec D. Gallimore

  • Design of a Laboratory Hall Thruster with Magnetically Shielded Channel Walls, Phase II: Experiments

    Richard Hofer;Dan Goebel;Ioannis Mikellides;Ira Katz

  • Method for analyzing E×B probe spectra from Hall thruster plumes

    Rohit Shastry;Richard R. Hofer;Bryan M. Reid;Alec D. Gallimore

  • Magnetic Shielding of the Acceleration Channel Walls in a Long-Life Hall Thruster

    Ioannis G. Mikellides;Ira Katz;Richard R. Hofer;Dan M. Goebel

  • Efficacy of Electron Mobility Models in Hybrid-PIC Hall Thruster Simulations

    Richard R. Hofer;Ira Katz;Ioannis G. Mikellides;Dan M. Goebel

  • Hall Thruster Cathode Flow Impact on Coupling Voltage and Cathode Life

    Dan M. Goebel;Kristina K. Jameson;Richard R. Hofer

  • Evaluation of a 4.5 kW Commercial Hall Thruster System for NASA Science Missions

    Richard R. Hofer;Thomas M. Randolph;David Y. Oh;John Steven Snyder

  • Effects of Internally Mounted Cathodes on Hall Thruster Plume Properties

    R.R. Hofer;L.K. Johnson;D.M. Goebel;R.E. Wirz

  • Effect of Backpressure on Ion Current Density Measurements in Hall Thruster Plumes

    Mitchell L. R. Walker;Allen L. Victor;Richard R. Hofer;Alec D. Gallimore

  • NASA's 2004 Hall Thruster Program

    David T. Jacobson;David H. Manzella;Richard R. Hofer;Peter Y. Peterson

  • Design of a Laboratory Hall Thruster with Magnetically Shielded Channel Walls, Phase I: Numerical Simulations

    Ioannis G. Mikellides;Ira Katz;Richard R. Hofer

  • Azimuthal Spoke Propagation in Hall Effect Thrusters

    Michael J. Sekerak;Benjamin W. Longmier;Alec D. Gallimore;Daniel L. Brown

  • Wall Sheath and Electron Mobility Modeling in Hybrid-PIC Hall Thruster Simulations

    Richard R. Hofer;Ioannis G. Mikellides;Ira Katz;Dan M. Goebel

Frequent Co-Authors

Alec D. Gallimore
Alec D. Gallimore University of Michigan–Ann Arbor
Ira Katz
Ira Katz Jet Propulsion Lab

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