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Malcolm A. Halcrow

Malcolm A. Halcrow

University of Leeds
United Kingdom

D-Index & Metrics

Chemistry

D-Index
57
Citations
12659
World Ranking
11012
National Ranking
625

Malcolm A. Halcrow 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 Malcolm A. Halcrow 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: 305 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.

Malcolm A. Halcrow 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 Malcolm A. Halcrow 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: 57 D-Index — 39th percentile

39% of scientists in this discipline score the same or lower.

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

Overview

Malcolm A. Halcrow is affiliated with the University of Leeds in the United Kingdom. Their research primarily focuses on materials science, with a specialization in materials chemistry. The subfields in which they have published include materials chemistry, electronic, optical and magnetic materials, inorganic chemistry, and organic chemistry.

Their work covers a range of topics related to the synthesis, properties, and crystallographic analysis of coordination complexes and magnetic materials. Specific research areas include crystallization and solubility studies, X-ray diffraction in crystallography, magnetism in coordination complexes, metal complex synthesis and properties, lanthanide and transition metal complexes, metal-catalyzed oxygenation mechanisms, and advanced NMR techniques and applications.

Malcolm A. Halcrow has published recent papers such as:

  • "Manipulating metal spin states for biomimetic, catalytic and molecular materials chemistry" (2020) in Dalton Transactions
  • "The number and shape of lattice solvent molecules controls spin-crossover in an isomorphous series of crystalline solvate salts" (2021) in Chemical Communications
  • "Structural Transformations and Spin-Crossover in [FeL2]2+ Salts (L= 4-{tert-Butylsulfanyl}-2,6-di{pyrazol-1-yl}pyridine): The Influence of Bulky Ligand Substituents" (2020) in Chemistry - A European Journal
  • "The flexibility of long chain substituents influences spin-crossover in isomorphous lipid bilayer crystals" (2021) in Chemical Communications
  • "Mix and match - controlling the functionality of spin-crossover materials through solid solutions and molecular alloys" (2024) in Dalton Transactions

Frequent co-authors in their research include Rafał Kulmaczewski, Oscar Céspedes, Christopher M. Pask, Izar Capel Berdiell, and Namrah Shahid.

Malcolm A. Halcrow has contributed extensively to several publication venues. These include The Cambridge Structural Database, University of Leeds, Dalton Transactions, Inorganic Chemistry, and the Journal of Materials Chemistry C.

Best Publications

  • Structure:function relationships in molecular spin-crossover complexes

    Malcolm A. Halcrow

  • Jahn–Teller distortions in transition metal compounds, and their importance in functional molecular and inorganic materials

    Malcolm A. Halcrow

  • Structural and Magnetic Properties of [Ni4(.mu.3-OMe)4(dbm)4(MeOH)4] and [Ni4(.eta.1,.mu.3-N3)4(dbm)4(EtOH)4]. Magnetostructural Correlations for [Ni4X4]4+ Cubane Complexes

    Malcolm A. Halcrow;Jui-Sui Sun;John C. Huffman;George Christou

  • Biomimetic Chemistry of Nickel

    Malcolm A. Halcrow;George Christou

  • The synthesis and coordination chemistry of 2,6-bis(pyrazolyl)pyridines and related ligands — Versatile terpyridine analogues

    Malcolm A. Halcrow

  • Iron(II) complexes of 2,6-di(pyrazol-1-yl)pyridines—A versatile system for spin-crossover research

    Malcolm A. Halcrow

  • The spin-states and spin-transitions of mononuclear iron(II) complexes of nitrogen-donor ligands

    Malcolm A. Halcrow

  • Pyrazoles and pyrazolides—flexible synthons in self-assembly

    Malcolm A. Halcrow

  • Stereochemical effects on the spin-state transition shown by salts of [FeL2]2+ [L = 2,6-di(pyrazol-1-yl)pyridine]

    Joanne M. Holland;Judith A. McAllister;Colin A. Kilner;Mark Thornton-Pett

  • Spin state behavior of iron(II)/dipyrazolylpyridine complexes. New insights from crystallographic and solution measurements

    Laurence J. Kershaw Cook;Rufeida Mohammed;Grant Sherborne;Thomas D. Roberts

  • A Unified Treatment of the Relationship Between Ligand Substituents and Spin State in a Family of Iron(II) Complexes.

    Laurence J. Kershaw Cook;Laurence J. Kershaw Cook;Rafal Kulmaczewski;Rufeida Mohammed;Stephen Dudley

  • An unusual abrupt thermal spin-state transition in [FeL2][BF4]2 [L = 2,6-di(pyrazol-1-yl)pyridine]

    Joanne M. Holland;Judith A. McAllister;Zhibao Lu;Colin A. Kilner

  • Spin-crossover Compounds with Wide Thermal Hysteresis

    Malcolm A. Halcrow

  • Copper(II) complexes of tridentate pyridylmethylethylenediamines: Role of ligand steric hindrance on DNA binding and cleavage

    Angamuthu Raja;Venugopal Rajendiran;Palanisamy Uma Maheswari;Ramalingam Balamurugan

  • Crystal structure of the precursor of galactose oxidase: An unusual self-processing enzyme

    S. J. Firbank;M. S. Rogers;M. S. Rogers;C. M. Wilmot;D. M. Dooley

  • The Effect of Ligand Design on Metal Ion Spin State—Lessons from Spin Crossover Complexes

    Unknown

  • Interplay between kinetically slow thermal spin-crossover and metastable high-spin state relaxation in an iron(II) complex with similar T1/2 and T(LIESST).

    Victoria A. Money;Chiara Carbonera;Jérôme Elhaïk;Malcolm A. Halcrow

  • Trapping and manipulating excited spin states of transition metal compounds.

    Malcolm A. Halcrow

  • Iron(II) complexes with a terpyridine embrace packing motif show remarkably consistent cooperative spin-transitions.

    Ruth Pritchard;Colin A. Kilner;Malcolm A. Halcrow

  • Antisymmetric exchange in two tricopper(II) complexes containing a [Cu3(μ3-OMe)]5+ core

    Xiaoming Liu;Marcelo P. de Miranda;Eric J. L. McInnes;Colin A. Kilner

  • Spin-crossover in [Fe(3-bpp)2][BF4]2 in different solvents – A dramatic stabilisation of the low-spin state in water

    Simon A. Barrett;Colin A. Kilner;Malcolm A. Halcrow

Frequent Co-Authors

Eric J. L. McInnes
Eric J. L. McInnes University of Manchester
Xiaoming Liu
Xiaoming Liu University of North Carolina at Chapel Hill
Martin Schröder
Martin Schröder University of Manchester
Judith A. K. Howard
Judith A. K. Howard Durham University
Alexander J. Blake
Alexander J. Blake University of Nottingham
Guillaume Chastanet
Guillaume Chastanet Centre national de la recherche scientifique, CNRS
Michaele J. Hardie
Michaele J. Hardie University of Leeds
George Christou
George Christou University of Florida
Mary McPartlin
Mary McPartlin University of Cambridge
Peter F. Knowles
Peter F. Knowles University of Leeds

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