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D-Index & Metrics

Discipline name D-Index World Ranking Current World Ranking National Ranking Current National Ranking Publications Citations
Chemistry 73 5081 4615 163 144 265 16152

Jean-François Létard publications per year

The chart shows the history of publications by Jean-François Létard between 1993 and 2023, highlighting the no. of papers published in each year and offering an overview of the publication velocity of this scholar. Jean-François Létard published across 31 years, from 1993 to 2023, averaging 8.8 papers a year. Output peaked at 24 publications in 2008. 1 of the 273 publications appeared in the last two years.

No. of publications
5 10 15 20
Bar chart. Horizontal axis: year, 1993 to 2023. Vertical axis: number of publications, 0 to 24. Peak 24 publications in 2008. 1993: 4 publications 1994: 3 publications 1995: 5 publications 1996: 2 publications 1997: 4 publications 1998: 3 publications 1999: 8 publications 2000: 8 publications 2001: 5 publications 2002: 8 publications 2003: 7 publications 2004: 13 publications 2005: 10 publications 2006: 16 publications 2007: 23 publications 2008: 24 publications 2009: 20 publications 2010: 15 publications 2011: 15 publications 2012: 18 publications 2013: 23 publications 2014: 14 publications 2015: 9 publications 2016: 8 publications 2017: 5 publications 2018: 2 publications 2019: 0 publications 2020: 0 publications 2021: 0 publications 2022: 0 publications 2023: 1 publication
1993 2023

273 publications in total across all disciplines

View publications per year as a table
Jean-François Létard: publications per year, 1993 to 2023
Year Publications
1993 4
1994 3
1995 5
1996 2
1997 4
1998 3
1999 8
2000 8
2001 5
2002 8
2003 7
2004 13
2005 10
2006 16
2007 23
2008 24
2009 20
2010 15
2011 15
2012 18
2013 23
2014 14
2015 9
2016 8
2017 5
2018 2
2019 0
2020 0
2021 0
2022 0
2023 1
Total 273
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Jean-François Létard 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 Jean-François Létard 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, 261–280 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: 265 publications — 54th percentile

54% 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
201–220 1,281
221–240 1,216
241–260 1,100
261–280 979 265
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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Jean-François Létard 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 Jean-François Létard 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, 72–73 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: 73 D-Index — 73rd percentile

73% 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
62–63 834
64–65 731
66–67 775
68–69 683
70–71 646
72–73 561 73
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

Jean-François Létard is a researcher affiliated with the Centre national de la recherche scientifique (CNRS) in France. Their research primarily focuses on the field of Materials Science, with particular attention to Materials Chemistry, Electronic, Optical and Magnetic Materials, and Inorganic Chemistry.

The main topics in Jean-François Létard's work include:

  • Crystallization and Solubility Studies
  • X-ray Diffraction in Crystallography
  • Magnetism in coordination complexes
  • Metal-Catalyzed Oxygenation Mechanisms
  • Lanthanide and Transition Metal Complexes

Jean-François Létard has contributed to publications in several venues, notably:

  • The Cambridge Structural Database
  • Inorganic Chemistry Frontiers

Recent papers featuring their work include:

  • "Switching on thermal and light-induced spin crossover by desolvation of [Fe(3-bpp)2](XO4)2·solvent (X = Cl, Re) compounds" (2021) published in Inorganic Chemistry Frontiers
  • "CCDC 2073013: Experimental Crystal Structure Determination" (2021) published in The Cambridge Structural Database
  • "CCDC 2073012: Experimental Crystal Structure Determination" (2021) published in The Cambridge Structural Database

Their frequent co-authors include:

  • Abdelhak Djemel
  • Olaf Stefańczyk
  • Kunal Kumar
  • Rachid Delimi
  • Farouk Benaceur

Best Publications

  • Towards spin crossover applications

    Jean-Francois Letard;Philippe Guionneau;Laurence Goux-Capes

  • Photomagnetism of iron(II) spin crossover complexes—the T(LIESST) approach

    Jean-François Létard

  • Structural, Magnetic, and Photomagnetic Studies of a Mononuclear Iron(II) Derivative Exhibiting an Exceptionally Abrupt Spin Transition. Light-Induced Thermal Hysteresis Phenomenon.

    Jean-François Létard;Philippe Guionneau;Louis Rabardel;Judith A. K. Howard

  • Dynamic interplay between spin-crossover and host-guest function in a nanoporous metal-organic framework material.

    Peter D Southon;Lang Liu;Elizabeth A Fellows;David J Price

  • Structural aspects of spin crossover. Example of the [FeIILn(NCS)2] complexes

    Philippe Guionneau;Mathieu Marchivie;Georges Bravic;Jean-Francois Letard

  • Photo‐induced spin‐transition: the role of the iron(II) environment distortion

    Mathieu Marchivie;Philippe Guionneau;Jean François Létard;Daniel Chasseau

  • Critical temperature of the LIESST effect in iron(II) spin crossover compounds

    Jean-François Létard;Laurence Capes;Laurence Capes;Guillaume Chastanet;Nicolas Moliner

  • A guideline to the design of molecular-based materials with long-lived photomagnetic lifetimes.

    Jean-François Létard;Philippe Guionneau;Olivier Nguyen;José Sánchez Costa

  • Single-crystal to single-crystal structural transformation and photomagnetic properties of a porous iron(II) spin-crossover framework.

    Suzanne M Neville;Gregory J Halder;Karena Chapman;Martin Duriska

  • LIGHT INDUCED EXCITED PAIR SPIN STATE IN AN IRON(II) BINUCLEAR SPIN-CROSSOVER COMPOUND

    Jean-François Létard;José Antonio Real;Nicolás Moliner;Ana B. Gaspar

  • Thermally and light-induced valence tautomeric transition in a dinuclear cobalt-tetraoxolene complex.

    Chiara Carbonera;Andrea Dei;Jean-François Létard;Claudio Sangregorio

  • Nanoparticles of [Fe(NH2-trz)3]Br2.3H2O (NH2-trz=2-amino-1,2,4-triazole) prepared by the reverse micelle technique: influence of particle and coherent domain sizes on spin-crossover properties.

    Thibaut Forestier;Abdellah Kaiba;Stanislav Pechev;Dominique Denux

  • Structural characterization of a photoinduced molecular switch.

    Mathieu Marchivie;Philippe Guionneau;Judith A. K. Howard;Guillaume Chastanet

  • Structure-photophysics correlations in a series of 4-(dialkylamino)stilbenes: intramolecular charge transfer in the excited state as related to the twist around the single bonds

    Jean Francois Letard;Rene Lapouyade;Wolfgang Rettig

  • Wide Thermal Hysteresis for the Mononuclear Spin-Crossover Compound cis-Bis(thiocyanato)bis[N-(2‘-pyridylmethylene)-4-(phenylethynyl)anilino]iron(II)

    Unknown

  • Co(II) molecular complexes as a reference for the spin crossover in Fe(II) analogues

    Philippe Guionneau;Mathieu Marchivie;Georges Bravic;Jean-François Létard

  • Hysteretic three-step spin crossover in a thermo- and photochromic 3D pillared Hofmann-type metal-organic framework.

    Natasha F. Sciortino;Katrin R. Scherl-Gruenwald;Guillaume Chastanet;Gregory J. Halder

  • Elucidating the mechanism of a two-step spin transition in a nanoporous metal-organic framework.

    Gregory J Halder;Karena Chapman;Suzanne M Neville;Boujemaa Moubaraki

  • Multiple relaxation pathways in photoexcited dimethylaminonitro- and dimethylaminocyano-stilbenes

    René Lapouyade;Alexander Kuhn;Jean-François Letard;Wolfgang Rettig

  • A Nanoscale Molecular Switch Triggered by Thermal, Light, and Guest Perturbation

    Martin Duriska;Suzanne M Neville;Boujemaa Moubaraki;John Dixon Cashion

  • Spin crossover behavior under pressure of Fe(PM-L)2(NCS)2 compounds with substituted 2′-pyridylmethylene 4-anilino ligands

    V. Ksenofontov;G. Levchenko;H. Spiering;P. Gütlich

Frequent Co-Authors

Philippe Guionneau
Philippe Guionneau Centre national de la recherche scientifique, CNRS
Guillaume Chastanet
Guillaume Chastanet Centre national de la recherche scientifique, CNRS
Cameron J. Kepert
Cameron J. Kepert University of Sydney
Keith S. Murray
Keith S. Murray Monash University
Boujemaa Moubaraki
Boujemaa Moubaraki Monash University
Eric Collet
Eric Collet University of Rennes
François Varret
François Varret Centre national de la recherche scientifique, CNRS
Loïc Toupet
Loïc Toupet University of Rennes
Stuart Robert Batten
Stuart Robert Batten Monash University
Judith A. K. Howard
Judith A. K. Howard Durham University

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