World's Best Scientists 2026 revealed!

D-Index & Metrics

Materials Science

D-Index
54
Citations
13374
World Ranking
8802
National Ranking
353

Haroon Ahmed publication distribution in Materials Science in 2026

The chart shows the distribution of publications by all Research.com ranked scientists in the field of Materials Science in 2026. The highlighted bar marks where Haroon Ahmed sits on this spectrum.

50–69 publications: 28 scientists 70–89 publications: 152 scientists 90–109 publications: 356 scientists 110–129 publications: 487 scientists 130–149 publications: 723 scientists 150–169 publications: 835 scientists 170–189 publications: 850 scientists 190–209 publications: 891 scientists 210–229 publications: 862 scientists 230–249 publications: 766 scientists 250–269 publications: 726 scientists 270–289 publications: 665 scientists 290–309 publications: 593 scientists 310–329 publications: 537 scientists 330–349 publications: 477 scientists 350–369 publications: 440 scientists 370–389 publications: 356 scientists 390–409 publications: 321 scientists 410–429 publications: 256 scientists 430–449 publications: 246 scientists 450–469 publications: 216 scientists 470–489 publications: 212 scientists 490–509 publications: 174 scientists 510–529 publications: 194 scientists 530–549 publications: 162 scientists 550–569 publications: 131 scientists 570–589 publications: 111 scientists 590–609 publications: 103 scientists 610–629 publications: 99 scientists 630–649 publications: 77 scientists 650–669 publications: 92 scientists 670–689 publications: 56 scientists 690–709 publications: 53 scientists 710–729 publications: 53 scientists 730–749 publications: 38 scientists 750–769 publications: 52 scientists 770–789 publications: 43 scientists 790–809 publications: 38 scientists 810–829 publications: 34 scientists 830–849 publications: 25 scientists 850–869 publications: 18 scientists 870–889 publications: 20 scientists 890–909 publications: 24 scientists 910–929 publications: 27 scientists 930–949 publications: 20 scientists 950–969 publications: 17 scientists 970–989 publications: 10 scientists 990–1,009 publications: 16 scientists 1,010–1,029 publications: 13 scientists 1,030–1,049 publications: 12 scientists 1,050–1,069 publications: 9 scientists 1,070–1,089 publications: 8 scientists 1,090–1,109 publications: 7 scientists 1,110–1,129 publications: 9 scientists 1,130–1,149 publications: 2 scientists 1,150–1,162 publications: 5 scientists 1,163+ publications: 100 scientists
50 publications 1,163+

This scientist: 421 publications — 80th percentile

80% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 1,163 publications or more.

Haroon Ahmed D-index placement in Materials Science in 2026

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

40–41 D-Index: 211 scientists 42–43 D-Index: 450 scientists 44–45 D-Index: 612 scientists 46–47 D-Index: 612 scientists 48–49 D-Index: 598 scientists 50–51 D-Index: 657 scientists 52–53 D-Index: 667 scientists 54–55 D-Index: 621 scientists 56–57 D-Index: 597 scientists 58–59 D-Index: 610 scientists 60–61 D-Index: 587 scientists 62–63 D-Index: 606 scientists 64–65 D-Index: 533 scientists 66–67 D-Index: 490 scientists 68–69 D-Index: 469 scientists 70–71 D-Index: 378 scientists 72–73 D-Index: 421 scientists 74–75 D-Index: 359 scientists 76–77 D-Index: 323 scientists 78–79 D-Index: 299 scientists 80–81 D-Index: 230 scientists 82–83 D-Index: 210 scientists 84–85 D-Index: 195 scientists 86–87 D-Index: 203 scientists 88–89 D-Index: 175 scientists 90–91 D-Index: 175 scientists 92–93 D-Index: 142 scientists 94–95 D-Index: 121 scientists 96–97 D-Index: 117 scientists 98–99 D-Index: 107 scientists 100–101 D-Index: 88 scientists 102–103 D-Index: 85 scientists 104–105 D-Index: 68 scientists 106–107 D-Index: 62 scientists 108–109 D-Index: 57 scientists 110–111 D-Index: 45 scientists 112–113 D-Index: 49 scientists 114–115 D-Index: 50 scientists 116–117 D-Index: 34 scientists 118–119 D-Index: 38 scientists 120–121 D-Index: 37 scientists 122–123 D-Index: 29 scientists 124–125 D-Index: 28 scientists 126–127 D-Index: 24 scientists 128–129 D-Index: 33 scientists 130–131 D-Index: 28 scientists 132–133 D-Index: 21 scientists 134–135 D-Index: 20 scientists 136–137 D-Index: 23 scientists 138–139 D-Index: 17 scientists 140–141 D-Index: 12 scientists 142–143 D-Index: 17 scientists 144–145 D-Index: 21 scientists 146–147 D-Index: 13 scientists 148–149 D-Index: 11 scientists 150–151 D-Index: 14 scientists 152–153 D-Index: 13 scientists 154–155 D-Index: 9 scientists 156–157 D-Index: 10 scientists 158–159 D-Index: 7 scientists 160–161 D-Index: 4 scientists 162–163 D-Index: 4 scientists 164 D-Index: 3 scientists 165+ D-Index: 98 scientists
40 D-Index 165+

This scientist: 54 D-Index — 32nd percentile

32% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 165 D-Index or more.

Research.com Recognitions

  • 1990 - Fellow of the Royal Academy of Engineering (UK)

Overview

Haroon Ahmed is affiliated with the University of Cambridge in the United Kingdom. Their research encompasses multiple fields, with a focus on Computer Science, Biochemistry, Genetics and Molecular Biology, and Medicine. Their work also bridges several specialized subfields including Artificial Intelligence, Radiology, Nuclear Medicine and Imaging, Molecular Biology, Neurology, and Computer Vision and Pattern Recognition.

Their research topics primarily cover areas such as Brain Tumor Detection and Classification, COVID-19 diagnosis using AI, Quantum Computing Algorithms and Architecture, AI in cancer detection, Advanced Neural Network Applications, Cell Image Analysis Techniques, and Quantum Information and Cryptography.

Ahmed's publication record includes papers published predominantly in the International Journal of Biological Macromolecules. A recent example from 2025 is the paper titled "Selective molecular probes for G-quadruplex and G-quadruplex-duplex junctions: Cyanine dye interactions and structural insight."

The scientist has collaborated frequently with several co-authors, including:

  • Baraa Tantawi
  • Gehad Ismail Sayed
  • Malak Magdy
  • Aleksey Vasilev
  • Diana Cheshmedzhieva

Haroon Ahmed's work integrates principles from computer science and molecular biology with applications in medical diagnosis and advanced computing. They have contributed to developing AI methods for disease detection and diagnosis, including COVID-19 and brain tumors, as well as exploring quantum computing approaches.

They have been recognized with the award of Fellow of the Royal Academy of Engineering (UK) in 1990.

Best Publications

  • One-dimensional transport and the quantisation of the ballistic resistance

    D. A. Wharam;Trevor Thornton;R. Newbury;M. Pepper

  • One-Dimensional Conduction in the 2D Electron Gas of a GaAs-AlGaAs Heterojunction

    T. J. Thornton;M. Pepper;H. Ahmed;D. Andrews

  • Fabrication of 5–7 nm wide etched lines in silicon using 100 keV electron‐beam lithography and polymethylmethacrylate resist

    Wei Chen;Haroon Ahmed

  • Single electron transistor using a molecularly linked gold colloidal particle chain

    Toshihiko Sato;Haroon Ahmed;David Brown;Brian F. G. Johnson

  • Plasma enhanced chemical vapour deposition carbon nanotubes/nanofibres - How uniform do they grow?

    K. B.K. Teo;S. B. Lee;Manishkumar Chhowalla;V. Semet

  • Single-electron memory

    K. Nakazato;R. J. Blaikie;H. Ahmed

  • Addition of the one-dimensional quantised ballistic resistance

    D A Wharam;M Pepper;H Ahmed;J E F Frost

  • Nanoscale colloidal particles: Monolayer organization and patterning

    T. Sato;D. G. Hasko;H. Ahmed

  • Four-terminal magnetoresistance of a two-dimensional electron-gas constriction in the ballistic regime

    H. van Houten;C.W.J. Beenakker;P.H.M. van Loosdrecht;T.J. Thornton

  • Comparison of MIBK/IPA and water/IPA as PMMA developers for electron beam nanolithography

    Shazia Yasin;D.G. Hasko;H. Ahmed

  • Room temperature nanocrystalline silicon single-electron transistors

    Y. T. Tan;T. Kamiya;Z. A. K. Durrani;H. Ahmed

  • Fabrication and electrical characteristics of carbon nanotube-based microcathodes for use in a parallel electron-beam lithography system

    K. B. K. Teo;M. Chhowalla;G. A. J. Amaratunga;W. I. Milne

  • The transition from one- to zero-dimensional ballistic transport

    C G Smith;M Pepper;H Ahmed;J E F Frost

  • Vanishing hall voltage in a quasi-one-dimensional GaAs-AlxGa1-xAs heterojunction

    C. J. B. Ford;T. J. Thornton;R. Newbury;M. Pepper

  • Single-electron memory

    K. Nakazato;R.J. Blaikie;J.R.A. Cleaver;H. Ahmed

  • Electron beam induced deposition from W(CO)6 at 2 to 20 keV and its applications

    P. C. Hoyle;J. R. A. Cleaver;H. Ahmed

  • Fabrication of high aspect ratio silicon pillars of <10 nm diameter

    Wei Chen;Haroon Ahmed

  • Fabrication of sub‐10 nm structures by lift‐off and by etching after electron‐beam exposure of poly(methylmethacrylate) resist on solid substrates

    Wei Chen;Haroon Ahmed

  • Electrostatically defined heterojunction rings and the Aharonov–Bohm effect

    C. J. B. Ford;T. J. Thornton;R. Newbury;M. Pepper

  • Silicon nanopillars formed with gold colloidal particle masking

    P. A. Lewis;H. Ahmed;T. Sato

Frequent Co-Authors

Michael Pepper
Michael Pepper University College London
David A. Ritchie
David A. Ritchie University of Cambridge
William I. Milne
William I. Milne University of Cambridge
Gehan A. J. Amaratunga
Gehan A. J. Amaratunga University of Cambridge
Toshio Kamiya
Toshio Kamiya Tokyo Institute of Technology
Richard A. McMahon
Richard A. McMahon University of Warwick
Manish Chhowalla
Manish Chhowalla University of Cambridge
Kenneth B. K. Teo
Kenneth B. K. Teo Aixtron (United Kingdom)
Brian F. G. Johnson
Brian F. G. Johnson University of Cambridge
Douglas J. Paul
Douglas J. Paul University of Glasgow

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