World's Best Scientists 2026 revealed!

D-Index & Metrics

Physics

D-Index
92
Citations
31583
World Ranking
2107
National Ranking
178

Richard J. Needs 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 Richard J. Needs 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: 400 publications — 38th percentile

38% of scientists in this discipline score the same or lower.

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

Richard J. Needs 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 Richard J. Needs 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: 92 D-Index — 44th percentile

44% of scientists in this discipline score the same or lower.

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

Overview

Richard J. Needs is affiliated with the University of Cambridge in the United Kingdom and focuses primarily on materials science. Their research covers a broad range of topics within this field, with a particular emphasis on materials chemistry and high-pressure geophysics. Additional areas of study include condensed matter physics, atomic and molecular physics and optics, as well as environmental chemistry.

Their recent publications reflect engagement with various specialized topics. These papers include:

  • High-throughput discovery of high-temperature conventional superconductors (2021, Physical Review B)
  • Predicting novel superconducting hydrides using machine learning approaches (2020, Physical Review B)
  • Superionic iron oxide-hydroxide in Earth's deep mantle (2021, Nature Geoscience)
  • Plastic and Superionic Helium Ammonia Compounds under High Pressure and High Temperature (2020, Physical Review X)
  • Coexistence of plastic and partially diffusive phases in a helium-methane compound (2020, National Science Review)

The frequent publication venues for this researcher include:

  • The Cambridge Structural Database
  • Physical Review B
  • Apollo (University of Cambridge)
  • Nature Geoscience
  • Physical Review X

Collaborative work forms a significant part of their scientific output. Their most frequent co-authors are:

  • Chris J. Pickard
  • Yanming Ma
  • Feng Peng
  • Ying Sun
  • Qiang Wu

The main topics tackled in their research focus on:

  • X-ray Diffraction in Crystallography
  • Crystallization and Solubility Studies
  • High-pressure Geophysics and Materials
  • Advanced Chemical Physics Studies
  • Rare-earth and Actinide Compounds
  • Geological and Geochemical Analysis
  • Hydrogen Storage and Materials

Richard J. Needs has contributed extensively to research in these domains, producing scholarly work that spans both theoretical and experimental approaches in materials science and related subfields. The breadth of their publication record demonstrates interdisciplinary engagement with topics of crystallography, superconductivity, geophysics, and chemical physics.

Best Publications

  • Quantum Monte Carlo simulations of solids

    W. M. C. Foulkes;L. Mitas;L. Mitas;R. J. Needs;G. Rajagopal

  • Ab initio random structure searching

    Chris J Pickard;R J Needs

  • High-pressure phases of group-IV, III–V, and II–VI compounds

    A. Mujica;Angel Rubio;A. Muñoz;R. J. Needs

  • Hydrogen Clathrate Structures in Rare Earth Hydrides at High Pressures: Possible Route to Room-Temperature Superconductivity.

    Feng Peng;Ying Sun;Chris J. Pickard;Richard J. Needs

  • Structure of phase III of solid hydrogen

    Chris J. Pickard;Richard J. Needs

  • High-pressure phases of silane.

    Chris J. Pickard;R. J. Needs

  • Structure prediction drives materials discovery

    Artem R. Oganov;Artem R. Oganov;Artem R. Oganov;Chris J. Pickard;Chris J. Pickard;Qiang Zhu;Richard J. Needs

  • Report on the sixth blind test of organic crystal-structure prediction methods

    Anthony M. Reilly;Richard I. Cooper;Claire S. Adjiman;Saswata Bhattacharya

  • First-principles calculations of the electronic properties of silicon quantum wires.

    A. J. Read;A. J. Read;R. J. Needs;R. J. Needs;K. J. Nash;K. J. Nash;L. T. Canham;L. T. Canham

  • High-pressure hydrogen sulfide from first principles: a strongly anharmonic phonon-mediated superconductor.

    Ion Errea;Ion Errea;Matteo Calandra;Christopher Pickard;Joseph Nelson

  • Metal-insulator transition in Kohn-Sham theory and quasiparticle theory.

    R. W. Godby;R. J. Needs

  • Continuum variational and diffusion quantum Monte Carlo calculations.

    R. J. Needs;M. D. Towler;Neil Drummond;P. Lopez Rios

  • Jastrow correlation factor for atoms, molecules, and solids

    Neil Drummond;M. D. Towler;R. J. Needs

  • Quantum hydrogen-bond symmetrization in the superconducting hydrogen sulfide system

    Ion Errea;Ion Errea;Matteo Calandra;Chris J. Pickard;Joseph R. Nelson

  • Space-time method for ab initio calculations of self-energies and dielectric response functions of solids.

    H. N. Rojas;R. W. Godby;R. J. Needs

  • Inhomogeneous backflow transformations in quantum Monte Carlo calculations.

    P. Lopez Rios;A. Ma;Neil Drummond;M. D. Towler

  • Finite-size effects and Coulomb interactions in quantum Monte Carlo calculations for homogeneous systems with periodic boundary conditions

    Louisa M. Fraser;W. M. C. Foulkes;G. Rajagopal;R. J. Needs

  • High-Pressure Phases of Nitrogen

    Chris J. Pickard;R. J. Needs

  • Aluminium at terapascal pressures

    Chris J. Pickard;R. J. Needs

  • Finite-size errors in continuum quantum Monte Carlo calculations

    Neil Drummond;R. J. Needs;A. Sorouri;W. M. C. Foulkes

Frequent Co-Authors

Chris J. Pickard
Chris J. Pickard University of Cambridge
Volker Heine
Volker Heine University of Cambridge
Ronald E. Cohen
Ronald E. Cohen Carnegie Institution for Science
Alfonso Muñoz
Alfonso Muñoz University of La Laguna
Yanming Ma
Yanming Ma Jilin University
Paul R. C. Kent
Paul R. C. Kent Oak Ridge National Laboratory
Rajeev Ahuja
Rajeev Ahuja Uppsala University
Hanyu Liu
Hanyu Liu Jilin University
Mei-Yin Chou
Mei-Yin Chou Academia Sinica
Mohamed Mezouar
Mohamed Mezouar European Synchrotron Radiation Facility

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