World's Best Scientists 2026 revealed!
A. John Hart

A. John Hart

D-Index & Metrics

Materials Science

D-Index
75
Citations
27833
World Ranking
3394
National Ranking
945

A. John Hart 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 A. John Hart 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: 318 publications — 64th percentile

64% of scientists in this discipline score the same or lower.

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

A. John Hart 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 A. John Hart 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: 75 D-Index — 74th percentile

74% of scientists in this discipline score the same or lower.

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

Overview

A. John Hart is affiliated with MIT in the United States and specializes in the field of Engineering, with a significant focus on Mechanical Engineering. Their work spans several subfields including Automotive Engineering, Biomedical Engineering, Materials Chemistry, and Electrical and Electronic Engineering.

Their research covers a wide array of topics, primarily centered on Additive Manufacturing and 3D Printing Technologies, as well as Additive Manufacturing Materials and Processes. Other notable research interests include Carbon Nanotubes in Composites, Advanced Sensor and Energy Harvesting Materials, High Entropy Alloys Studies, Injection Molding Process and Properties, and Graphene research and applications.

Their recent publications include:

  • Direct Ink Writing: A 3D Printing Technology for Diverse Materials (2022, Advanced Materials)
  • A Microneedle Technology for Sampling and Sensing Bacteria in the Food Supply Chain (2020, Advanced Functional Materials)
  • A novel smoothed particle hydrodynamics formulation for thermo-capillary phase change problems with focus on metal additive manufacturing melt pool modeling (2021, Computer Methods in Applied Mechanics and Engineering)
  • Shape-Programmed Fabrication and Actuation of Magnetically Active Micropost Arrays (2020, ACS Applied Materials & Interfaces)
  • Solid-Phase Extraction, Preservation, Storage, Transport, and Analysis of Trace Contaminants for Water Quality Monitoring of Heavy Metals (2020, Environmental Science & Technology)

Many of their papers have appeared in the following publication venues:

  • SSRN Electronic Journal
  • arXiv (Cornell University)
  • Advanced Functional Materials
  • Additive Manufacturing
  • ACS Applied Materials & Interfaces

Frequent co-authors collaborating with A. John Hart include Ju Li, Crystal E. Owens, Emre Tekoğlu, Sanha Kim, and Alexander D. O'Brien, reflecting ongoing research partnerships across multiple projects.

Best Publications

  • Carbon Nanotubes: Present and Future Commercial Applications

    Michael F. L. De Volder;Michael F. L. De Volder;Michael F. L. De Volder;Sameh H. Tawfick;Sameh H. Tawfick;Ray H. Baughman;A. John Hart;A. John Hart

  • A robotic platform for flow synthesis of organic compounds informed by AI planning

    Connor W. Coley;Dale A. Thomas;Justin A. M. Lummiss;Jonathan N. Jaworski

  • Extremely Elastic Wearable Carbon Nanotube Fiber Strain Sensor for Monitoring of Human Motion.

    Seongwoo Ryu;Seongwoo Ryu;Phillip Lee;Jeffrey B. Chou;Ruize Xu

  • Fabrication and multifunctional properties of a hybrid laminate with aligned carbon nanotubes grown In Situ

    Enrique J. Garcia;Brian L. Wardle;A. John Hart;Namiko Yamamoto

  • Carbon Nanotubes and Related Nanomaterials: Critical Advances and Challenges for Synthesis toward Mainstream Commercial Applications

    Rahul Rao;Cary L. Pint;Ahmad E. Islam;Robert S. Weatherup

  • Joining prepreg composite interfaces with aligned carbon nanotubes

    Enrique J. Garcia;Brian L. Wardle;A. John Hart

  • Stress reduction and bond stability during thermal annealing of tetrahedral amorphous carbon

    A. C. Ferrari;B. Kleinsorge;N. A. Morrison;A. Hart

  • Rapid growth and flow-mediated nucleation of millimeter-scale aligned carbon nanotube structures from a thin-film catalyst.

    Anastasios John Hart;Alexander H. Slocum

  • Fabrication and characterization of ultrahigh-volume- fraction aligned carbon nanotube-polymer composites.

    Brian L. Wardle;Diego S. Saito;Enrique J. García;A. John Hart

  • Tuning of vertically-aligned carbon nanotube diameter and areal density through catalyst pre-treatment.

    Gilbert D. Nessim;A. John Hart;Jin S. Kim;Donatello Acquaviva

  • Engineering of Micro‐ and Nanostructured Surfaces with Anisotropic Geometries and Properties

    Sameh H Tawfick;Michael De Volder;Davor Copic;Sei Jin Park

  • Critical Influences of Particle Size and Adhesion on the Powder Layer Uniformity in Metal Additive Manufacturing

    Christoph Meier;Christoph Meier;Reimbar Weissbach;Reimbar Weissbach;Johannes Weinberg;Wolfgang A. Wall

  • Exposure to nanoscale particles and fibers during machining of hybrid advanced composites containing carbon nanotubes

    Dhimiter Bello;Brian L. Wardle;Namiko Yamamoto;Roberto Guzman deVilloria

  • High-conductivity polymer nanocomposites obtained by tailoring the characteristics of carbon nanotube fillers

    Nadia Grossiord;Joachim Loos;Lucas van Laake;Maryse Maugey

  • Collective mechanism for the evolution and self-termination of vertically aligned carbon nanotube growth

    Mostafa Bedewy;Eric R. Meshot;Haicheng Guo;Eric A. Verploegen

  • Multifunctional properties of high volume fraction aligned carbon nanotube polymer composites with controlled morphology

    Hülya Cebeci;Hülya Cebeci;Roberto Guzman de Villoria;A. John Hart;Brian L. Wardle

  • Nanoscale Zirconia as a Nonmetallic Catalyst for Graphitization of Carbon and Growth of Single- and Multiwall Carbon Nanotubes

    Stephen A. Steiner;Theodore F. Baumann;Bernhard C. Bayer;Raoul Blume

  • Exponential growth of LBL films with incorporated inorganic sheets.

    Paul Podsiadlo;Marc Michel;Jungwoo Lee;Eric Verploegen

  • Diverse 3D Microarchitectures Made by Capillary Forming of Carbon Nanotubes

    Michael De Volder;Michael De Volder;Sameh H. Tawfick;Sei Jin Park;Davor Copic

  • High-yield growth and morphology control of aligned carbon nanotubes on ceramic fibers for multifunctional enhancement of structural composites

    Namiko Yamamoto;A. John Hart;Enrique J. Garcia;Sunny S. Wicks

Frequent Co-Authors

Michael De Volder
Michael De Volder University of Cambridge
Eric A. Stach
Eric A. Stach University of Pennsylvania
L. Jay Guo
L. Jay Guo University of Michigan–Ann Arbor
Ali Khademhosseini
Ali Khademhosseini Terasaki Foundation
Wolfgang A. Wall
Wolfgang A. Wall Technical University of Munich
Nicholas A. Kotov
Nicholas A. Kotov University of Michigan–Ann Arbor

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