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D-Index & Metrics

Discipline name D-Index World Ranking Current World Ranking National Ranking Current National Ranking Publications Citations
Chemistry 51 13978 12581 3622 2960 144 8980

Kelly J. Gaffney publications per year

The chart shows the history of publications by Kelly J. Gaffney between 1994 and 2026, highlighting the no. of papers published in each year and offering an overview of the publication velocity of this scholar. Kelly J. Gaffney published across 33 years, from 1994 to 2026, averaging 5.8 papers a year. Output peaked at 12 publications in 2005. 15 of the 192 publications appeared in the last two years.

No. of publications
5 10
Bar chart. Horizontal axis: year, 1994 to 2026. Vertical axis: number of publications, 0 to 12. Peak 12 publications in 2005. 1994: 1 publication 1995: 0 publications 1996: 0 publications 1997: 1 publication 1998: 3 publications 1999: 2 publications 2000: 4 publications 2001: 2 publications 2002: 6 publications 2003: 7 publications 2004: 2 publications 2005: 12 publications 2006: 7 publications 2007: 8 publications 2008: 3 publications 2009: 4 publications 2010: 4 publications 2011: 6 publications 2012: 10 publications 2013: 11 publications 2014: 5 publications 2015: 8 publications 2016: 10 publications 2017: 12 publications 2018: 7 publications 2019: 8 publications 2020: 10 publications 2021: 9 publications 2022: 4 publications 2023: 4 publications 2024: 7 publications 2025: 12 publications 2026: 3 publications
1994 2026

192 publications in total across all disciplines

View publications per year as a table
Kelly J. Gaffney: publications per year, 1994 to 2026
Year Publications
1994 1
1995 0
1996 0
1997 1
1998 3
1999 2
2000 4
2001 2
2002 6
2003 7
2004 2
2005 12
2006 7
2007 8
2008 3
2009 4
2010 4
2011 6
2012 10
2013 11
2014 5
2015 8
2016 10
2017 12
2018 7
2019 8
2020 10
2021 9
2022 4
2023 4
2024 7
2025 12
2026 3
Total 192
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Kelly J. Gaffney publication distribution in Chemistry in 2026

The chart shows the distribution of publications by all Research.com ranked scientists in the field of Chemistry in 2026. The highlighted bar marks where Kelly J. Gaffney sits on this spectrum.

No. of scientists
250 500 750 1,000 1,250
Bar chart with 63 bars. Horizontal axis: publications, 61–80 to 1,295+. Vertical axis: number of scientists, 0 to 1,350. Most scientists, 1,350, have 161–180 publications. The last bar groups every scientist with 1,295 publications or more. The highlighted bar, 141–160 publications, is where this scientist sits. 61–80 publications: 66 scientists 81–100 publications: 302 scientists 101–120 publications: 623 scientists 121–140 publications: 918 scientists 141–160 publications: 1,218 scientists 161–180 publications: 1,350 scientists 181–200 publications: 1,344 scientists 201–220 publications: 1,281 scientists 221–240 publications: 1,216 scientists 241–260 publications: 1,100 scientists 261–280 publications: 979 scientists 281–300 publications: 939 scientists 301–320 publications: 764 scientists 321–340 publications: 643 scientists 341–360 publications: 628 scientists 361–380 publications: 522 scientists 381–400 publications: 459 scientists 401–420 publications: 397 scientists 421–440 publications: 327 scientists 441–460 publications: 270 scientists 461–480 publications: 265 scientists 481–500 publications: 252 scientists 501–520 publications: 201 scientists 521–540 publications: 185 scientists 541–560 publications: 148 scientists 561–580 publications: 148 scientists 581–600 publications: 132 scientists 601–620 publications: 114 scientists 621–640 publications: 104 scientists 641–660 publications: 91 scientists 661–680 publications: 92 scientists 681–700 publications: 73 scientists 701–720 publications: 57 scientists 721–740 publications: 54 scientists 741–760 publications: 67 scientists 761–780 publications: 45 scientists 781–800 publications: 46 scientists 801–820 publications: 39 scientists 821–840 publications: 32 scientists 841–860 publications: 36 scientists 861–880 publications: 29 scientists 881–900 publications: 26 scientists 901–920 publications: 24 scientists 921–940 publications: 14 scientists 941–960 publications: 23 scientists 961–980 publications: 28 scientists 981–1,000 publications: 15 scientists 1,001–1,020 publications: 29 scientists 1,021–1,040 publications: 12 scientists 1,041–1,060 publications: 19 scientists 1,061–1,080 publications: 12 scientists 1,081–1,100 publications: 6 scientists 1,101–1,120 publications: 8 scientists 1,121–1,140 publications: 12 scientists 1,141–1,160 publications: 5 scientists 1,161–1,180 publications: 6 scientists 1,181–1,200 publications: 14 scientists 1,201–1,220 publications: 7 scientists 1,221–1,240 publications: 2 scientists 1,241–1,260 publications: 6 scientists 1,261–1,280 publications: 4 scientists 1,281–1,294 publications: 6 scientists 1,295+ publications: 100 scientists
61–80 publications 1,295+

This scientist: 144 publications — 12th percentile

12% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 1,295 publications or more.

View publications distribution as a table
Number of Chemistry scientists by publication count, Research.com 2026 ranking edition. Based on 17,934 ranked scientists.
Publications Scientists This scientist
61–80 66
81–100 302
101–120 623
121–140 918
141–160 1,218 144
161–180 1,350
181–200 1,344
201–220 1,281
221–240 1,216
241–260 1,100
261–280 979
281–300 939
301–320 764
321–340 643
341–360 628
361–380 522
381–400 459
401–420 397
421–440 327
441–460 270
461–480 265
481–500 252
501–520 201
521–540 185
541–560 148
561–580 148
581–600 132
601–620 114
621–640 104
641–660 91
661–680 92
681–700 73
701–720 57
721–740 54
741–760 67
761–780 45
781–800 46
801–820 39
821–840 32
841–860 36
861–880 29
881–900 26
901–920 24
921–940 14
941–960 23
961–980 28
981–1,000 15
1,001–1,020 29
1,021–1,040 12
1,041–1,060 19
1,061–1,080 12
1,081–1,100 6
1,101–1,120 8
1,121–1,140 12
1,141–1,160 5
1,161–1,180 6
1,181–1,200 14
1,201–1,220 7
1,221–1,240 2
1,241–1,260 6
1,261–1,280 4
1,281–1,294 6
1,295+ 100
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Kelly J. Gaffney D-index placement in Chemistry in 2026

The chart shows the D-index (discipline H-index) distribution of Chemistry scientists ranked by Research.com in 2026. The highlighted bar marks where Kelly J. Gaffney sits on this spectrum.

No. of scientists
250 500 750 1,000
Bar chart with 61 bars. Horizontal axis: D-Index, 40–41 to 159+. Vertical axis: number of scientists, 0 to 1,051. Most scientists, 1,051, have 56–57 D-Index. The last bar groups every scientist with 159 D-Index or more. The highlighted bar, 50–51 D-Index, is where this scientist sits. 40–41 D-Index: 289 scientists 42–43 D-Index: 612 scientists 44–45 D-Index: 808 scientists 46–47 D-Index: 776 scientists 48–49 D-Index: 835 scientists 50–51 D-Index: 861 scientists 52–53 D-Index: 872 scientists 54–55 D-Index: 933 scientists 56–57 D-Index: 1,051 scientists 58–59 D-Index: 930 scientists 60–61 D-Index: 882 scientists 62–63 D-Index: 834 scientists 64–65 D-Index: 731 scientists 66–67 D-Index: 775 scientists 68–69 D-Index: 683 scientists 70–71 D-Index: 646 scientists 72–73 D-Index: 561 scientists 74–75 D-Index: 501 scientists 76–77 D-Index: 437 scientists 78–79 D-Index: 388 scientists 80–81 D-Index: 354 scientists 82–83 D-Index: 292 scientists 84–85 D-Index: 275 scientists 86–87 D-Index: 254 scientists 88–89 D-Index: 235 scientists 90–91 D-Index: 185 scientists 92–93 D-Index: 192 scientists 94–95 D-Index: 155 scientists 96–97 D-Index: 163 scientists 98–99 D-Index: 125 scientists 100–101 D-Index: 105 scientists 102–103 D-Index: 105 scientists 104–105 D-Index: 112 scientists 106–107 D-Index: 88 scientists 108–109 D-Index: 68 scientists 110–111 D-Index: 69 scientists 112–113 D-Index: 65 scientists 114–115 D-Index: 79 scientists 116–117 D-Index: 61 scientists 118–119 D-Index: 44 scientists 120–121 D-Index: 37 scientists 122–123 D-Index: 40 scientists 124–125 D-Index: 33 scientists 126–127 D-Index: 26 scientists 128–129 D-Index: 34 scientists 130–131 D-Index: 35 scientists 132–133 D-Index: 25 scientists 134–135 D-Index: 27 scientists 136–137 D-Index: 17 scientists 138–139 D-Index: 16 scientists 140–141 D-Index: 20 scientists 142–143 D-Index: 20 scientists 144–145 D-Index: 15 scientists 146–147 D-Index: 9 scientists 148–149 D-Index: 9 scientists 150–151 D-Index: 16 scientists 152–153 D-Index: 11 scientists 154–155 D-Index: 9 scientists 156–157 D-Index: 3 scientists 158 D-Index: 3 scientists 159+ D-Index: 98 scientists
40–41 D-Index 159+

This scientist: 51 D-Index — 23rd percentile

23% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 159 D-Index or more.

View D-Index distribution as a table
Number of Chemistry scientists by D-index, Research.com 2026 ranking edition. Based on 17,934 ranked scientists.
D-Index Scientists This scientist
40–41 289
42–43 612
44–45 808
46–47 776
48–49 835
50–51 861 51
52–53 872
54–55 933
56–57 1,051
58–59 930
60–61 882
62–63 834
64–65 731
66–67 775
68–69 683
70–71 646
72–73 561
74–75 501
76–77 437
78–79 388
80–81 354
82–83 292
84–85 275
86–87 254
88–89 235
90–91 185
92–93 192
94–95 155
96–97 163
98–99 125
100–101 105
102–103 105
104–105 112
106–107 88
108–109 68
110–111 69
112–113 65
114–115 79
116–117 61
118–119 44
120–121 37
122–123 40
124–125 33
126–127 26
128–129 34
130–131 35
132–133 25
134–135 27
136–137 17
138–139 16
140–141 20
142–143 20
144–145 15
146–147 9
148–149 9
150–151 16
152–153 11
154–155 9
156–157 3
158 3
159+ 98
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Overview

Kelly J. Gaffney is affiliated with SLAC National Accelerator Laboratory in the United States. Their research spans multiple fields, primarily focusing on Physics and Astronomy as well as Materials Science. Within these, key subfields include Materials Chemistry, Radiation, Atomic and Molecular Physics and Optics, Renewable Energy, Sustainability and the Environment, and Inorganic Chemistry.

The central themes of Gaffney's work include X-ray Spectroscopy and Fluorescence Analysis, Advanced Chemical Physics Studies, CO2 Reduction Techniques and Catalysts, Electron and X-Ray Spectroscopy Techniques, Metal-Catalyzed Oxygenation Mechanisms, Spectroscopy and Quantum Chemical Studies, and Advanced Electron Microscopy Techniques and Applications.

Frequent co-authors in Gaffney's collaborations include Elisa Biasin, Amy A. Cordones, Kristjan Kunnus, Kathryn Ledbetter, and Roberto Alonso-Mori. These partnerships reflect interdisciplinary approaches across experimental and theoretical studies.

The scientist has published extensively in several prominent journals. The venues with the highest number of publications include the Journal of the American Chemical Society, Structural Dynamics, Nature Communications, Physical Chemistry Chemical Physics, and Inorganic Chemistry.

Recent notable papers by Gaffney and collaborators encompass a range of topics:

  • Direct observation of ultrafast hydrogen bond strengthening in liquid water, 2021, Nature
  • Direct observation of coherent femtosecond solvent reorganization coupled to intramolecular electron transfer, 2021, Nature Chemistry
  • The case for data science in experimental chemistry: examples and recommendations, 2022, Nature Reviews Chemistry
  • Capturing photochemical and photophysical transformations in iron complexes with ultrafast X-ray spectroscopy and scattering, 2021, Chemical Science
  • Reduction of Electron Repulsion in Highly Covalent Fe-Amido Complexes Counteracts the Impact of a Weak Ligand Field on Excited-State Ordering, 2021, Journal of the American Chemical Society

Best Publications

  • Imaging Atomic Structure and Dynamics with Ultrafast X-ray Scattering

    K. J. Gaffney;K. J. Gaffney;H. N. Chapman;H. N. Chapman

  • Tracking excited-state charge and spin dynamics in iron coordination complexes

    Wenkai Zhang;Roberto Alonso-Mori;Uwe Bergmann;Christian Bressler

  • Ultrafast Bond Softening in Bismuth: Mapping a Solid's Interatomic Potential with X-rays

    D. M. Fritz;D. M. Fritz;D. A. Reis;D. A. Reis;B. Adams;R. A. Akre

  • Atomic-scale visualization of inertial dynamics

    AM Lindenberg;Jörgen Larsson;K Sokolowski-Tinten;KJ Gaffney

  • Clocking femtosecond X rays.

    A L Cavalieri;D M Fritz;S H Lee;P H Bucksbaum

  • Orbital-specific mapping of the ligand exchange dynamics of Fe(CO)5 in solution

    Ph. Wernet;K. Kunnus;I. Josefsson;I. Rajkovic

  • Femtosecond dynamics of electron localization at interfaces

    N.-H. Ge;C. M. Wong;R. L. Lingle;J. D. McNeill

  • Fourier-transform Inelastic X-ray Scattering from time and Momentum Dependent Phonon-phonon Correlations

    M. Trigo;M. Fuchs;J. Chen;M. P. Jiang

  • Femtosecond X-ray Absorption Spectroscopy at a Hard X-ray Free Electron Laser: Application to Spin Crossover Dynamics

    Henrik T. Lemke;Christian Bressler;Lin X. Chen;David M. Fritz

  • Large Angular Jump Mechanism Observed for Hydrogen Bond Exchange in Aqueous Perchlorate Solution

    Minbiao Ji;Michael Odelius;K. J. Gaffney

  • Coherent structural trapping through wave packet dispersion during photoinduced spin state switching

    Henrik T. Lemke;Kasper Skov Kjær;Robert Hartsock;Tim Brandt van Driel

  • Probing ultrafast ππ*/nπ* internal conversion in organic chromophores via K-edge resonant absorption

    Thomas J. A. Wolf;Rolf Heilemann Myhre;Rolf Heilemann Myhre;James P. Cryan;Sonia Coriani;Sonia Coriani

  • Ultrafast X-ray Auger probing of photoexcited molecular dynamics

    B. K Mcfarland;J. P Farrell;J. P Farrell;S Miyabe;Francesco Tarantelli

  • Efficient multiple exciton generation observed in colloidal PbSe quantum dots with temporally and spectrally resolved intraband excitation.

    Minbiao Ji;Sungnam Park;Stephen T. Connor;Taleb Mokari

  • Hydrogen bond dynamics probed with ultrafast infrared heterodyne-detected multidimensional vibrational stimulated echoes.

    John B. Asbury;Tobias Steinel;C. Stromberg;K. J. Gaffney

  • Direct observation of ultrafast hydrogen bond strengthening in liquid water

    Jie Yang;Jie Yang;Riccardo Dettori;J. Pedro F. Nunes;Nanna H. List;Nanna H. List

  • Electron solvation in two dimensions.

    A. D. Miller;I. Bezel;K. J. Gaffney;S. Garrett-Roe

  • Probing ultrafast \pi\pi*/n\pi* internal conversion in organic chromophores via K-edge resonant absorption

    T. J. A. Wolf;R. H. Myhre;J. P. Cryan;S. Coriani

  • Ultrafast Dynamics of Hydrogen Bond Exchange in Aqueous Ionic Solutions

    Sungnam Park;Michael Odelius;Kelly J. Gaffney

  • Metalloprotein entatic control of ligand-metal bonds quantified by ultrafast x-ray spectroscopy

    Michael William Mara;Michael William Mara;Ryan G. Hadt;Marco Eli Reinhard;Thomas Kroll

  • Diffractive imaging of a rotational wavepacket in nitrogen molecules with femtosecond megaelectronvolt electron pulses

    Jie Yang;Markus Guehr;Theodore Vecchione;Matthew S. Robinson

Frequent Co-Authors

Aaron M. Lindenberg
Aaron M. Lindenberg Stanford University
Weiya Zhang
Weiya Zhang University of Nottingham
Dimosthenis Sokaras
Dimosthenis Sokaras SLAC National Accelerator Laboratory
Todd J. Martínez
Todd J. Martínez Stanford University
Martin Nielsen
Martin Nielsen Technical University of Denmark
Charles B. Harris
Charles B. Harris University of California, Berkeley
Philip H. Bucksbaum
Philip H. Bucksbaum SLAC National Accelerator Laboratory
Dennis Nordlund
Dennis Nordlund SLAC National Accelerator Laboratory
Christoph Bostedt
Christoph Bostedt Paul Scherrer Institute
Michael Odelius
Michael Odelius Stockholm University

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