World's Best Scientists 2026 revealed!

D-Index & Metrics

Chemistry

D-Index
85
Citations
34208
World Ranking
2618
National Ranking
137

Ray Freeman 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 Ray Freeman sits on this spectrum.

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 publications 1,295+

This scientist: 303 publications — 64th percentile

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

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

Ray Freeman 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 Ray Freeman sits on this spectrum.

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 D-Index 159+

This scientist: 85 D-Index — 85th percentile

85% of scientists in this discipline score the same or lower.

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

Research.com Recognitions

  • 1999 - Longstaff Prize, Royal Society of Chemistry (UK)
  • 1979 - Fellow of the Royal Society, United Kingdom

Overview

Ray Freeman is affiliated with the University of Cambridge in the United Kingdom. Their research contributions include work published in the SSRN Electronic Journal.

Recent papers include:

  • Underdogs: Predicting Student Success at Abaarso School in Somaliland, 2025, SSRN Electronic Journal

Frequent co-authors of Ray Freeman include:

  • J. Debbie Linville

Freeman's work has appeared in the following publication venue:

  • SSRN Electronic Journal

Among the awards received by Ray Freeman are:

  • Longstaff Prize, Royal Society of Chemistry (UK), 1999
  • Fellow of the Royal Society, United Kingdom, 1979

Best Publications

  • ENHANCEMENT OF NUCLEAR MAGNETIC RESONANCE SIGNALS BY POLARIZATION TRANSFER

    Gareth A. Morris;Ray Freeman

  • Investigation of complex networks of spin-spin coupling by two-dimensional NMR

    Ad Bax;Ray Freeman

  • Computer-optimized decoupling scheme for wideband applications and low-level operation

    A.J Shaka;P.B Barker;Ray Freeman

  • Selective excitation in Fourier transform nuclear magnetic resonance

    Gareth A Morris;Ray Freeman

  • Band-selective radiofrequency pulses

    Helen Geen;Ray Freeman

  • Evaluation of a new broadband decoupling sequence: WALTZ-16

    A.J Shaka;James Keeler;Ray Freeman

  • Natural abundance carbon-13-carbon-13 coupling observed via double-quantum coherence

    Ad Bax;Ray Freeman;Stewart P. Kempsell

  • Correlation of proton chemical shifts by two-dimensional Fourier transform NMR

    Ad Bax;Ray Freeman;Gareth Morris

  • An NMR technique for tracing out the carbon skeleton of an organic molecule

    Ad Bax;Ray Freeman;Thomas A. Frenkiel

  • Fourier Transform Study of NMR Spin-Lattice Relaxation by "Progressive Saturation"

    Ray Freeman;H. D. W. Hill

  • NMR population inversion using a composite pulse

    Malcolm H. Levitt;Ray Freeman

  • Suppression of artifacts in two-dimensional J spectroscopy

    Geoffrey Bodenhausen;Ray Freeman;David L Turner

  • Broadband heteronuclear decoupling

    Malcolm H Levitt;Ray Freeman;Thomas Frenkiel

  • Proton-decoupled NMR. Spectra of carbon-13 With the nuclear overhauser effect suppressed

    R Freeman;H.D.W Hill;R Kaptein

  • Assignment of carbon-13 NMR spectra via double-quantum coherence

    Ad Bax;Ray Freeman;T.A Frenkiel;M.H Levitt

  • Correlation of proton and carbon-13 nmr spectra by heteronuclear two-dimensional spectroscopy

    Geoffrey Bodenhausen;Ray Freeman

  • Simplification of NMR spectra by filtration through multiple-quantum coherence

    A.J Shaka;Ray Freeman

  • Phase and intensity anomalies in fourier transform NMR

    Ray Freeman;H.D.W Hill

  • Radiofrequency pulse sequences which compensate their own imperfections

    Ray Freeman;Stewart P Kempsell;Malcolm H Levitt

  • Compensation for Pulse Imperfections in NMR Spin-Echo Experiments

    Malcolm H Levitt;Ray Freeman

  • A simple pulse sequence for selective excitation in Fourier transform NMR

    Geoffrey Bodenhausen;Ray Freeman;Gareth A Morris

Frequent Co-Authors

Gareth A. Morris
Gareth A. Morris University of Manchester
Malcolm H. Levitt
Malcolm H. Levitt University of Southampton
Geoffrey Bodenhausen
Geoffrey Bodenhausen École Normale Supérieure
David L. Turner
David L. Turner Universidade Nova de Lisboa
Ad Bax
Ad Bax National Institutes of Health
Christopher J. Schofield
Christopher J. Schofield University of Oxford
Jack E. Baldwin
Jack E. Baldwin University of Oxford
Robert Kaptein
Robert Kaptein Utrecht University
Stephen Wimperis
Stephen Wimperis Lancaster University
Iain D. Campbell
Iain D. Campbell University of Oxford

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