World's Best Scientists 2026 revealed!

D-Index & Metrics

Discipline name D-Index World Ranking Current World Ranking National Ranking Current National Ranking Publications Citations
Mechanical and Aerospace Engineering 66 486 443 222 189 273 17634
Materials Science 77 3101 2994 867 814 331 23046

Robert W. Carpick publications per year

The chart shows the history of publications by Robert W. Carpick between 1991 and 2025, highlighting the no. of papers published in each year and offering an overview of the publication velocity of this scholar. Robert W. Carpick published across 35 years, from 1991 to 2025, averaging 10.2 papers a year. Output peaked at 23 publications in 2007. 21 of the 356 publications appeared in the last two years.

No. of publications
5 10 15 20
Bar chart. Horizontal axis: year, 1991 to 2025. Vertical axis: number of publications, 0 to 23. Peak 23 publications in 2007. 1991: 1 publication 1992: 0 publications 1993: 0 publications 1994: 0 publications 1995: 2 publications 1996: 5 publications 1997: 6 publications 1998: 4 publications 1999: 6 publications 2000: 6 publications 2001: 3 publications 2002: 7 publications 2003: 4 publications 2004: 14 publications 2005: 9 publications 2006: 13 publications 2007: 23 publications 2008: 9 publications 2009: 13 publications 2010: 18 publications 2011: 14 publications 2012: 12 publications 2013: 15 publications 2014: 21 publications 2015: 18 publications 2016: 15 publications 2017: 16 publications 2018: 19 publications 2019: 19 publications 2020: 12 publications 2021: 15 publications 2022: 7 publications 2023: 9 publications 2024: 11 publications 2025: 10 publications
1991 2025

356 publications in total across all disciplines

View publications per year as a table
Robert W. Carpick: publications per year, 1991 to 2025
Year Publications
1991 1
1992 0
1993 0
1994 0
1995 2
1996 5
1997 6
1998 4
1999 6
2000 6
2001 3
2002 7
2003 4
2004 14
2005 9
2006 13
2007 23
2008 9
2009 13
2010 18
2011 14
2012 12
2013 15
2014 21
2015 18
2016 15
2017 16
2018 19
2019 19
2020 12
2021 15
2022 7
2023 9
2024 11
2025 10
Total 356
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Robert W. Carpick publications per year - data summary

  • Robert W. Carpick, a Mechanical and Aerospace Engineering scholar from University of Pennsylvania, has 356 publications recorded across 35 years, from 1991 to 2025.
  • The oldest publication on record dates to 1991 and the most recent to 2025.
  • The most productive year is 2007, with 23 publications.
  • The least productive year with any output is 1991, with 1 publication.
  • 3 of the 35 years in the span carry no publications at all (1992, 1993 and 1994).
  • The rate of publication averages 10.2 papers per year over the whole span, or 11.1 per year counting only the 32 years with at least one publication.
  • The last 5 years on the chart (2021-2025) hold 52 publications, 15% of the career total.
  • Split into equal eras - 1991-2002: 40 publications (3.3 per year); 2003-2014: 165 publications (13.8 per year); 2015-2025: 151 publications (13.7 per year).
  • Comparing the opening and closing eras, the overall trend of publication is rising.

Robert W. Carpick publication distribution in Mechanical and Aerospace Engineering in 2026

The chart shows the distribution of publications by all Research.com ranked scientists in the field of Mechanical and Aerospace Engineering in 2026. The highlighted bar marks where Robert W. Carpick sits on this spectrum.

No. of scientists
50 100 150
Bar chart with 63 bars. Horizontal axis: publications, 47–56 to 659+. Vertical axis: number of scientists, 0 to 155. Most scientists, 155, have 147–156 publications. The last bar groups every scientist with 659 publications or more. The highlighted bar, 267–276 publications, is where this scientist sits. 47–56 publications: 10 scientists 57–66 publications: 23 scientists 67–76 publications: 32 scientists 77–86 publications: 62 scientists 87–96 publications: 67 scientists 97–106 publications: 91 scientists 107–116 publications: 113 scientists 117–126 publications: 115 scientists 127–136 publications: 130 scientists 137–146 publications: 140 scientists 147–156 publications: 155 scientists 157–166 publications: 132 scientists 167–176 publications: 133 scientists 177–186 publications: 130 scientists 187–196 publications: 140 scientists 197–206 publications: 115 scientists 207–216 publications: 125 scientists 217–226 publications: 117 scientists 227–236 publications: 99 scientists 237–246 publications: 92 scientists 247–256 publications: 100 scientists 257–266 publications: 95 scientists 267–276 publications: 88 scientists 277–286 publications: 77 scientists 287–296 publications: 74 scientists 297–306 publications: 74 scientists 307–316 publications: 62 scientists 317–326 publications: 70 scientists 327–336 publications: 59 scientists 337–346 publications: 58 scientists 347–356 publications: 45 scientists 357–366 publications: 44 scientists 367–376 publications: 36 scientists 377–386 publications: 41 scientists 387–396 publications: 32 scientists 397–406 publications: 23 scientists 407–416 publications: 28 scientists 417–426 publications: 27 scientists 427–436 publications: 25 scientists 437–446 publications: 23 scientists 447–456 publications: 23 scientists 457–466 publications: 20 scientists 467–476 publications: 12 scientists 477–486 publications: 24 scientists 487–496 publications: 18 scientists 497–506 publications: 12 scientists 507–516 publications: 13 scientists 517–526 publications: 21 scientists 527–536 publications: 12 scientists 537–546 publications: 8 scientists 547–556 publications: 16 scientists 557–566 publications: 3 scientists 567–576 publications: 11 scientists 577–586 publications: 6 scientists 587–596 publications: 5 scientists 597–606 publications: 6 scientists 607–616 publications: 7 scientists 617–626 publications: 7 scientists 627–636 publications: 10 scientists 637–646 publications: 4 scientists 647–656 publications: 3 scientists 657–658 publications: 2 scientists 659+ publications: 100 scientists
47–56 publications 659+

This scientist: 273 publications — 66th percentile

66% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 659 publications or more.

View publications distribution as a table
Number of Mechanical and Aerospace Engineering scientists by publication count, Research.com 2026 ranking edition. Based on 3,445 ranked scientists.
Publications Scientists This scientist
47–56 10
57–66 23
67–76 32
77–86 62
87–96 67
97–106 91
107–116 113
117–126 115
127–136 130
137–146 140
147–156 155
157–166 132
167–176 133
177–186 130
187–196 140
197–206 115
207–216 125
217–226 117
227–236 99
237–246 92
247–256 100
257–266 95
267–276 88 273
277–286 77
287–296 74
297–306 74
307–316 62
317–326 70
327–336 59
337–346 58
347–356 45
357–366 44
367–376 36
377–386 41
387–396 32
397–406 23
407–416 28
417–426 27
427–436 25
437–446 23
447–456 23
457–466 20
467–476 12
477–486 24
487–496 18
497–506 12
507–516 13
517–526 21
527–536 12
537–546 8
547–556 16
557–566 3
567–576 11
577–586 6
587–596 5
597–606 6
607–616 7
617–626 7
627–636 10
637–646 4
647–656 3
657–658 2
659+ 100
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Robert W. Carpick publication distribution in Mechanical and Aerospace Engineering in 2026 - data summary

  • The chart plots the publication count of all 3,445 Mechanical and Aerospace Engineering scientists ranked by Research.com in 2026, grouped into 63 ranges running from 47–56 to 659+ publications.
  • Robert W. Carpick, a Mechanical and Aerospace Engineering scholar from University of Pennsylvania, records 273 publications - the 66th percentile of the discipline.
  • 66% of ranked Mechanical and Aerospace Engineering scientists score the same or lower than Robert W. Carpick, and about 34% score higher.
  • The median of the discipline falls in the 217–226 publications range, and Robert W. Carpick ranks above the median.
  • The most crowded range is 147–156 publications, holding 155 scientists (4% of the field).
  • 46% of the field sits in the lowest quarter of the value range (up to 197–206 publications), so the distribution leans towards the lower end of the scale.
  • The final bar has no upper bound: it groups every scientist with 659 publications or more, 100 scientists in all (3% of the field).

Robert W. Carpick D-index placement in Mechanical and Aerospace Engineering in 2026

The chart shows the D-index (discipline H-index) distribution of Mechanical and Aerospace Engineering scientists ranked by Research.com in 2026. The highlighted bar marks where Robert W. Carpick sits on this spectrum.

No. of scientists
50 100 150
Bar chart with 64 bars. Horizontal axis: D-Index, 30 to 93+. Vertical axis: number of scientists, 0 to 189. Most scientists, 189, have 34 D-Index. The last bar groups every scientist with 93 D-Index or more. The highlighted bar, 66 D-Index, is where this scientist sits. 30 D-Index: 83 scientists 31 D-Index: 113 scientists 32 D-Index: 144 scientists 33 D-Index: 153 scientists 34 D-Index: 189 scientists 35 D-Index: 158 scientists 36 D-Index: 139 scientists 37 D-Index: 127 scientists 38 D-Index: 130 scientists 39 D-Index: 126 scientists 40 D-Index: 104 scientists 41 D-Index: 100 scientists 42 D-Index: 107 scientists 43 D-Index: 101 scientists 44 D-Index: 103 scientists 45 D-Index: 79 scientists 46 D-Index: 88 scientists 47 D-Index: 70 scientists 48 D-Index: 83 scientists 49 D-Index: 44 scientists 50 D-Index: 64 scientists 51 D-Index: 56 scientists 52 D-Index: 50 scientists 53 D-Index: 48 scientists 54 D-Index: 58 scientists 55 D-Index: 52 scientists 56 D-Index: 48 scientists 57 D-Index: 42 scientists 58 D-Index: 34 scientists 59 D-Index: 42 scientists 60 D-Index: 37 scientists 61 D-Index: 42 scientists 62 D-Index: 44 scientists 63 D-Index: 22 scientists 64 D-Index: 33 scientists 65 D-Index: 29 scientists 66 D-Index: 23 scientists 67 D-Index: 29 scientists 68 D-Index: 24 scientists 69 D-Index: 19 scientists 70 D-Index: 34 scientists 71 D-Index: 26 scientists 72 D-Index: 19 scientists 73 D-Index: 18 scientists 74 D-Index: 19 scientists 75 D-Index: 14 scientists 76 D-Index: 19 scientists 77 D-Index: 8 scientists 78 D-Index: 18 scientists 79 D-Index: 16 scientists 80 D-Index: 12 scientists 81 D-Index: 17 scientists 82 D-Index: 11 scientists 83 D-Index: 16 scientists 84 D-Index: 7 scientists 85 D-Index: 9 scientists 86 D-Index: 8 scientists 87 D-Index: 6 scientists 88 D-Index: 6 scientists 89 D-Index: 7 scientists 90 D-Index: 10 scientists 91 D-Index: 4 scientists 92 D-Index: 4 scientists 93+ D-Index: 100 scientists
30 D-Index 93+

This scientist: 66 D-Index — 86th percentile

86% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 93 D-Index or more.

View D-Index distribution as a table
Number of Mechanical and Aerospace Engineering scientists by D-index, Research.com 2026 ranking edition. Based on 3,445 ranked scientists.
D-Index Scientists This scientist
30 83
31 113
32 144
33 153
34 189
35 158
36 139
37 127
38 130
39 126
40 104
41 100
42 107
43 101
44 103
45 79
46 88
47 70
48 83
49 44
50 64
51 56
52 50
53 48
54 58
55 52
56 48
57 42
58 34
59 42
60 37
61 42
62 44
63 22
64 33
65 29
66 23 66
67 29
68 24
69 19
70 34
71 26
72 19
73 18
74 19
75 14
76 19
77 8
78 18
79 16
80 12
81 17
82 11
83 16
84 7
85 9
86 8
87 6
88 6
89 7
90 10
91 4
92 4
93+ 100
Download as CSV

Robert W. Carpick D-index placement in Mechanical and Aerospace Engineering in 2026 - data summary

  • The chart plots the discipline H-index (D-index) of all 3,445 Mechanical and Aerospace Engineering scientists ranked by Research.com in 2026, grouped into 64 ranges running from 30 to 93+ D-Index.
  • Robert W. Carpick, a Mechanical and Aerospace Engineering scholar from University of Pennsylvania, records 66 D-Index - the 86th percentile of the discipline.
  • 86% of ranked Mechanical and Aerospace Engineering scientists score the same or lower than Robert W. Carpick, and about 14% score higher.
  • The median of the discipline falls in the 43 D-Index range, and Robert W. Carpick ranks above the median.
  • The most crowded range is 34 D-Index, holding 189 scientists (5% of the field).
  • 57% of the field sits in the lowest quarter of the value range (up to 45 D-Index), so the distribution is heavily right-skewed and high scores are rare.
  • The final bar has no upper bound: it groups every scientist with 93 D-Index or more, 100 scientists in all (3% of the field).

Research.com Recognitions

  • 2019 - Fellow of the American Society of Mechanical Engineers
  • 2017 - Fellow of the Materials Research Society For fundamental insights into the nanometer scale mechanics of materials and atomic scale origins of friction, lubrication and wear.
  • 2012 - Fellow of American Physical Society (APS) Citation for his outstanding contributions to developing an atomiclevel understanding of the tribological phenomena of friction, adhesion, and wear

Overview

Robert W. Carpick is affiliated with the University of Pennsylvania in the United States. Their research spans several related fields, including Engineering, Materials Science, and Physics and Astronomy. The scientist's work delves into multiple subfields such as Atomic and Molecular Physics, and Optics, Materials Chemistry, Mechanics of Materials, Mechanical Engineering, and Biomedical Engineering.

The scientist's research topics focus on various aspects of material interactions and properties, particularly at the nanoscale. Key topics include:

  • Force Microscopy Techniques and Applications
  • Diamond and Carbon-based Materials Research
  • Lubricants and Their Additives
  • Adhesion, Friction, and Surface Interactions
  • Tribology and Wear Analysis
  • Metal and Thin Film Mechanics
  • 2D Materials and Applications

Frequent publication venues for Robert W. Carpick include:

  • Tribology Letters
  • ACS Applied Materials & Interfaces
  • Small
  • Faraday Discussions
  • Langmuir

Some of the recent papers authored or co-authored by the scientist are:

  • Acceleration of Diels-Alder reactions by mechanical distortion, 2023, Science
  • Origin of Friction in Superlubric Graphite Contacts, 2020, Physical Review Letters
  • Friction Anisotropy of MoS2: Effect of Tip-Sample Contact Quality, 2020, The Journal of Physical Chemistry Letters
  • Nanoscale Friction Behavior of Transition-Metal Dichalcogenides: Role of the Chalcogenide, 2020, ACS Nano
  • Unraveling the Friction Evolution Mechanism of Diamond-Like Carbon Film during Nanoscale Running-In Process toward Superlubricity, 2020, Small

Robert W. Carpick has collaborated extensively with several co-authors, including:

  • J. Brandon McClimon
  • Zachary Milne
  • Ashlie Martini
  • Kathryn Hasz
  • J. David Schall

The scientist has been recognized with multiple fellowships. These include Fellow of the American Society of Mechanical Engineers in 2019, Fellow of the Materials Research Society in 2017 for fundamental insights into the nanometer-scale mechanics of materials and atomic scale origins of friction, lubrication and wear, and Fellow of the American Physical Society in 2012 for contributions to the atomic-level understanding of tribological phenomena such as friction, adhesion, and wear.

Best Publications

  • Frictional Characteristics of Atomically Thin Sheets

    Changgu Lee;Qunyang Li;William Kalb;Xin-Zhou Liu

  • Scratching the Surface: Fundamental Investigations of Tribology with Atomic Force Microscopy.

    Robert W. Carpick;Miquel Salmeron

  • Calibration of frictional forces in atomic force microscopy

    D. F Ogletree;Robert W Carpick;Miguel Salmeron

  • A General Equation for Fitting Contact Area and Friction vs Load Measurements.

    Robert W. Carpick;D.Frank Ogletree;Miquel Salmeron

  • Mechanisms of antiwear tribofilm growth revealed in situ by single-asperity sliding contacts

    N. N. Gosvami;J. A. Bares;F. Mangolini;A. R. Konicek

  • Recent advances in single-asperity nanotribology

    Izabela Szlufarska;Michael Chandross;Robert W Carpick

  • Lateral stiffness: A new nanomechanical measurement for the determination of shear strengths with friction force microscopy

    Robert W Carpick;D. F Ogletree;Miguel Salmeron

  • The evolving quality of frictional contact with graphene

    Suzhi Li;Qunyang Li;Robert W. Carpick;Peter Gumbsch

  • Elastic and frictional properties of graphene

    Changgu Lee;Xiaoding Wei;Qunyang Li;Robert Carpick

  • Measurement of interfacial shear (friction) with an ultrahigh vacuum atomic force microscope

    Robert W Carpick;N. Agraït;D. F Ogletree;Miguel Salmeron

  • Nanoscale wear as a stress-assisted chemical reaction

    Tevis D. B. Jacobs;Robert W. Carpick

  • Polydiacetylene films: a review of recent investigations into chromogenic transitions and nanomechanical properties

    Robert W Carpick;Darryl Y Sasaki;Matthew S Marcus;M A Eriksson

  • Variation of the Interfacial Shear Strength and Adhesion of a Nanometer-Sized Contact

    R. W. Carpick;N. Agraït;D. F. Ogletree;M. Salmeron

  • Frictional ageing from interfacial bonding and the origins of rate and state friction

    Qunyang Li;Terry E. Tullis;David Goldsby;Robert W. Carpick

  • Structure-property relationships from universal signatures of plasticity in disordered solids

    Ekin Dogus Cubuk;Robert Ivancic;Samuel S. Schoenholz;Samuel S. Schoenholz;Danny Strickland

  • Ultralow nanoscale wear through atom-by-atom attrition in silicon-containing diamond-like carbon

    Harish Bhaskaran;Bernd Gotsmann;Abu Sebastian;Ute Drechsler

  • Accounting for the JKR-DMT transition in adhesion and friction measurements with atomic force microscopy

    D. S. Grierson;E. E. Flater;R. W. Carpick

  • Origin of ultralow friction and wear in ultrananocrystalline diamond

    Andrew R. Konicek;D. S. Grierson;P.U.P.A. Gilbert;W. G. Sawyer

  • Substrate effect on thickness-dependent friction on graphene

    Qunyang Li;Changgu Lee;Robert W. Carpick;James Hone

  • Speed dependence of atomic stick-slip friction in optimally matched experiments and molecular dynamics simulations.

    Qunyang Li;Yalin Dong;Danny Perez;Ashlie Martini

  • Structure-property relationships from universal signatures of plasticity in disordered solids

    E. D. Cubuk;R. J. S. Ivancic;S. S. Schoenholz;D. J. Strickland

Frequent Co-Authors

Anirudha V. Sumant
Anirudha V. Sumant Argonne National Laboratory
Orlando Auciello
Orlando Auciello The University of Texas at Dallas
Ashlie Martini
Ashlie Martini University of California, Merced
Kumar Sridharan
Kumar Sridharan University of Wisconsin–Madison
William P. King
William P. King University of Illinois at Urbana-Champaign
Andrew M. Rappe
Andrew M. Rappe University of Pennsylvania
Miquel Salmeron
Miquel Salmeron Lawrence Berkeley National Laboratory
James Hone
James Hone Columbia University
Daeyeon Lee
Daeyeon Lee University of Pennsylvania

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