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
Chemistry 61 9356 8480 2637 2171 182 11710

Ravi K. Kukkadapu publications per year

The chart shows the history of publications by Ravi K. Kukkadapu between 1988 and 2025, highlighting the no. of papers published in each year and offering an overview of the publication velocity of this scholar. Ravi K. Kukkadapu published across 38 years, from 1988 to 2025, averaging 27.1 papers a year. Output peaked at 773 publications in 2023. 9 of the 1,030 publications appeared in the last two years.

No. of publications
250 500 750
Bar chart. Horizontal axis: year, 1988 to 2025. Vertical axis: number of publications, 0 to 773. Peak 773 publications in 2023. 1988: 1 publication 1989: 1 publication 1990: 2 publications 1991: 1 publication 1992: 1 publication 1993: 0 publications 1994: 0 publications 1995: 1 publication 1996: 1 publication 1997: 1 publication 1998: 1 publication 1999: 1 publication 2000: 3 publications 2001: 6 publications 2002: 1 publication 2003: 6 publications 2004: 6 publications 2005: 8 publications 2006: 6 publications 2007: 7 publications 2008: 11 publications 2009: 10 publications 2010: 10 publications 2011: 7 publications 2012: 10 publications 2013: 5 publications 2014: 9 publications 2015: 13 publications 2016: 12 publications 2017: 9 publications 2018: 9 publications 2019: 9 publications 2020: 17 publications 2021: 6 publications 2022: 57 publications 2023: 773 publications 2024: 8 publications 2025: 1 publication
1988 2025

1,030 publications in total across all disciplines

View publications per year as a table
Ravi K. Kukkadapu: publications per year, 1988 to 2025
Year Publications
1988 1
1989 1
1990 2
1991 1
1992 1
1993 0
1994 0
1995 1
1996 1
1997 1
1998 1
1999 1
2000 3
2001 6
2002 1
2003 6
2004 6
2005 8
2006 6
2007 7
2008 11
2009 10
2010 10
2011 7
2012 10
2013 5
2014 9
2015 13
2016 12
2017 9
2018 9
2019 9
2020 17
2021 6
2022 57
2023 773
2024 8
2025 1
Total 1,030
Download as CSV

Ravi K. Kukkadapu 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 Ravi K. Kukkadapu 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, 181–200 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: 182 publications — 26th percentile

26% 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
161–180 1,350
181–200 1,344 182
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
Download as CSV

Ravi K. Kukkadapu 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 Ravi K. Kukkadapu 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, 60–61 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: 61 D-Index — 49th percentile

49% 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
52–53 872
54–55 933
56–57 1,051
58–59 930
60–61 882 61
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
Download as CSV

Overview

Ravi K. Kukkadapu is affiliated with the Environmental Molecular Sciences Laboratory in the United States. Their research primarily focuses on Earth and Planetary Sciences and Physics and Astronomy, with significant contributions to subfields such as Astronomy and Astrophysics, Oceanography, Geophysics, Environmental Chemistry, and Renewable Energy, Sustainability and the Environment.

The main scientific topics covered in their work include:

  • Ionosphere and magnetosphere dynamics
  • Geophysics and Gravity Measurements
  • Earthquake Detection and Analysis
  • Methane Hydrates and Related Phenomena
  • Seismic Waves and Analysis
  • Solar and Space Plasma Dynamics
  • Iron oxide chemistry and applications

Kukkadapu has contributed to numerous scientific papers with varied research interests. Selected recent publications include:

  • "Lignin-enhanced reduction of structural Fe(III) in nontronite: Dual roles of lignin as electron shuttle and donor", 2021, Geochimica et Cosmochimica Acta
  • "Changes in Sedimentary Phosphorus Burial Following Artificial Eutrophication of Lake 227, Experimental Lakes Area, Ontario, Canada", 2020, Journal of Geophysical Research Biogeosciences
  • "Strong mineralogic control of soil organic matter composition in response to nutrient addition across diverse grassland sites", 2020, The Science of The Total Environment
  • "Inhibition of Extracellular Enzyme Activity by Reactive Oxygen Species upon Oxygenation of Reduced Iron-Bearing Minerals", 2023, Environmental Science & Technology
  • "Susceptibility of new soil organic carbon to mineralization during dry-wet cycling in soils from contrasting ends of a precipitation gradient", 2022, Soil Biology and Biochemistry

Frequent co-authors collaborating with Kukkadapu include:

  • Erin Rooney
  • Qian Zhao
  • Lauren Vega
  • Mark Bowden
  • John Bargar

The scientist's work has been published extensively in several venues, with the highest number of publications found in:

  • OSTI OAI (U.S. Department of Energy Office of Scientific and Technical Information)
  • Environmental Science & Technology
  • The Science of The Total Environment
  • Soil Science Society of America Journal
  • Microscopy and Microanalysis

Best Publications

  • Secondary Mineralization Pathways Induced by Dissimilatory Iron Reduction of Ferrihydrite Under Advective Flow

    Colleen M Hansel;Shawn G Benner;Jim Neiss;Alice Dohnalkova

  • Synthesis of colloidal Mn2+:ZnO quantum dots and high-TC ferromagnetic nanocrystalline thin films

    Nicholas S. Norberg;Kevin R. Kittilstved;James E. Amonette;Ravi K. Kukkadapu

  • Biomineralization of Poorly Crystalline Fe(III) Oxides by Dissimilatory Metal Reducing Bacteria (DMRB)

    John M. Zachara;Ravi K. Kukkadapu;James K. Fredrickson;Yuri A. Gorby

  • Anaerobic redox cycling of iron by freshwater sediment microorganisms.

    Karrie A. Weber;Matilde M. Urrutia;Perry F. Churchill;Ravi K. Kukkadapu

  • Influence of Coprecipitated Organic Matter on Fe2+(aq)-Catalyzed Transformation of Ferrihydrite: Implications for Carbon Dynamics.

    Chunmei Chen;Ravi K. Kukkadapu;Donald L. Sparks

  • Development of high-temperature ferromagnetism in Sn O 2 and paramagnetism in SnO by Fe doping

    A. Punnoose;J. Hays;A. Thurber;M. H. Engelhard

  • Mineral transformations associated with the microbial reduction of magnetite

    Hailiang Dong;James K Fredrickson;David W Kennedy;John M Zachara

  • Reduction of TcO4- by sediment-associated biogenic Fe(II)

    James K Fredrickson;John M Zachara;David W Kennedy;Ravi K Kukkadapu

  • Reductive sequestration of pertechnetate (99TcO4 -) by nano zerovalent iron (nZVI) transformed by abiotic sulfide

    Diimin Fan;Roberto P. Anitori;Bradley M. Tebo;Paul G. Tratnyek

  • Phosphate imposed limitations on biological reduction and alteration of ferrihydrite.

    Thomas Borch;Yoko Masue;Ravi K Kukkadapu;Scott Fendorf

  • Control of Fe(III) site occupancy on the rate and extent of microbial reduction of Fe(III) in nontronite

    Deb P. Jaisi;Ravi K. Kukkadapu;Dennis D. Eberl;Hailiang Dong

  • Iron Loading Effects in Fe/SSZ-13 NH3-SCR Catalysts: Nature of the Fe Ions and Structure–Function Relationships

    Feng Gao;Yang Zheng;Ravi K. Kukkadapu;Yilin Wang

  • Heterogeneous reduction of Tc(VII) by Fe(II) at the solid-water interface

    Tetyana Peretyazhko;John M. Zachara;Steve M. Heald;Byong Hun Jeon

  • Reduction of pertechnetate (Tc(VII)) by aqueous Fe(II) and the nature of solid phase redox products

    John M. Zachara;Steve M. Heald;Steve M. Heald;Byong-Hun Jeon;Ravi K. Kukkadapu

  • Biotransformation of two-line silica-ferrihydrite by a dissimilatory Fe(III)-reducing bacterium: Formation of carbonate green rust in the presence of phosphate

    Ravi K Kukkadapu;John M Zachara;James K Fredrickson;David W Kennedy

  • Microbial Reduction of Structural Fe(III) in Illite and Goethite

    Hailiang Dong;Ravi K. Kukkadapu;James K. Fredrickson;John M. Zachara

  • Organic matter remineralization predominates phosphorus cycling in the mid-Bay sediments in the Chesapeake Bay.

    Sunendra R Joshi;Ravi K Kukkadapu;David J Burdige;Mark E Bowden

  • Reduction of Hg(II) to Hg(0) by Magnetite

    Heather A. Wiatrowski;Soumya Das;Ravi K. Kukkadapu;Eugene S. Ilton

  • Adsorption of phenol and chlorinated phenols from aqueous solution by tetramethylammonium- and tetramethylphosphonium-exchanged montmorillonite

    Monique A.M Lawrence;Ravi K Kukkadapu;Stephen A Boyd

  • Redox Fluctuations Control the Coupled Cycling of Iron and Carbon in Tropical Forest Soils

    Amrita Bhattacharyya;Ashley N. Campbell;Malak M. Tfaily;Yang Lin

  • Long-term dynamics of uranium reduction/reoxidation under low sulfate conditions

    John Komlos;Aaron Peacock;Ravi K. Kukkadapu;Peter R. Jaffé

Frequent Co-Authors

John M. Zachara
John M. Zachara Pacific Northwest National Laboratory
Hailiang Dong
Hailiang Dong China University of Geosciences
Mark H. Engelhard
Mark H. Engelhard Pacific Northwest National Laboratory
Steve M. Heald
Steve M. Heald Argonne National Laboratory
Libor Kovarik
Libor Kovarik Pacific Northwest National Laboratory
Bruce W. Arey
Bruce W. Arey Pacific Northwest National Laboratory
Alice Dohnalkova
Alice Dohnalkova Pacific Northwest National Laboratory
James K. Fredrickson
James K. Fredrickson Pacific Northwest National Laboratory
Mark E. Bowden
Mark E. Bowden Pacific Northwest National Laboratory
Chongxuan Liu
Chongxuan Liu Southern University of Science and Technology

If you think any of the details on this page are incorrect, let us know.

Report an issue

We appreciate your kind effort to assist us to improve this page, it would be helpful providing us with as much detail as possible in the text box below:

Related Online Degrees & Career Pathways

For students interested in Chemistry, exploring interdisciplinary fields can open diverse career opportunities. Many professionals transition into areas like forensic science, where chemistry plays a critical role in criminal investigations. Those curious about specialized education options can explore forensic psychology master's programs which often include modules on chemical analysis related to behavior and crime scenes.

Understanding the various forensic career paths can help chemistry graduates leverage their skill set in roles such as crime lab analysts or toxicologists. These positions typically require knowledge of both analytical chemistry and criminal justice principles.

For those seeking flexible study options, affordable and accessible online programs are available. For example, students can consider the criminal justice degree online cost when budgeting for their education. Many universities offer competitive tuition rates for these online degrees, making a career pivot more feasible.

Additionally, starting with an associate degree can be a practical approach. The best online criminal justice associate degree programs provide foundational knowledge that complements a strong science background for entry-level roles in law enforcement or forensic labs.

Best Scientists Citing Ravi K. Kukkadapu

Trending Scientists

Recently Published Articles