World's Best Scientists 2026 revealed!

D-Index & Metrics

Chemistry

D-Index
66
Citations
21820
World Ranking
7161
National Ranking
48

Liviu Ungur 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 Liviu Ungur 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: 119 publications — 5th percentile

5% of scientists in this discipline score the same or lower.

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

Liviu Ungur 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 Liviu Ungur 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: 66 D-Index — 60th percentile

60% of scientists in this discipline score the same or lower.

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

Overview

Liviu Ungur is affiliated with the National University of Singapore in Singapore. Their research contributions primarily focus on materials science, with particular emphasis on materials chemistry, electronic, optical and magnetic materials, atomic and molecular physics and optics, spectroscopy, and biophysics.

The scientist's main research topics encompass crystallization and solubility studies, X-ray diffraction in crystallography, magnetism in coordination complexes, lanthanide and transition metal complexes, advanced NMR techniques and applications, electron spin resonance studies, and advanced chemical physics studies.

Among their notable recent publications are:

  • Modern quantum chemistry with [Open]Molcas (2020), published in The Journal of Chemical Physics
  • The OpenMolcas Web: A Community-Driven Approach to Advancing Computational Chemistry (2023), published in Journal of Chemical Theory and Computation
  • Single-Molecule Toroic Design through Magnetic Exchange Coupling (2020), published in Matter
  • An Inconspicuous Six-Coordinate Neutral DyIII Single-Ion Magnet with Remarkable Magnetic Anisotropy and Stability (2020), published in Inorganic Chemistry
  • Magnetic Anisotropy in Divalent Lanthanide Compounds (2020), published in Angewandte Chemie International Edition

Ungur frequently collaborates with several researchers including Liviu F. Chibotaru, Maolin You, Yuan-Zhu Zhang, Guo-Zhang Huang, and Ming-Liang Tong.

The scientist regularly publishes in a variety of venues with a significant number of publications in The Cambridge Structural Database. Other common venues include Inorganic Chemistry, arXiv (Cornell University), Angewandte Chemie International Edition, and Chemistry - A European Journal.

Best Publications

  • Molcas 8: New capabilities for multiconfigurational quantum chemical calculations across the periodic table.

    Francesco Aquilante;Jochen Autschbach;Rebecca K. Carlson;Liviu F. Chibotaru

  • A Stable Pentagonal Bipyramidal Dy(III) Single-Ion Magnet with a Record Magnetization Reversal Barrier over 1000 K.

    Jiang Liu;Yan-Cong Chen;Jun-Liang Liu;Veacheslav Vieru

  • OpenMolcas : From Source Code to Insight

    Ignacio Fernández Galván;Morgane Vacher;Ali Alavi;Celestino Angeli

  • Symmetry-Supported Magnetic Blocking at 20 K in Pentagonal Bipyramidal Dy(III) Single-Ion Magnets

    Yan-Cong Chen;Jun-Liang Liu;Liviu Ungur;Jiang Liu

  • Ab initio calculation of anisotropic magnetic properties of complexes. I. Unique definition of pseudospin Hamiltonians and their derivation.

    Liviu F Chibotaru;Liviu Ungur

  • The origin of nonmagnetic Kramers doublets in the ground state of dysprosium triangles: evidence for a toroidal magnetic moment.

    Liviu F. Chibotaru;Liviu Ungur;Alessandro Soncini

  • Strong axiality and Ising exchange interaction suppress zero-field tunneling of magnetization of an asymmetric Dy2 single-molecule magnet.

    Yun-Nan Guo;Gong-Feng Xu;Wolfgang Wernsdorfer;Liviu Ungur

  • Magnetic relaxation pathways in lanthanide single-molecule magnets

    Robin J. Blagg;Liviu Ungur;Floriana Tuna;James Speak

  • A polynuclear lanthanide single-molecule magnet with a record anisotropic barrier.

    Po-Heng Lin;Tara J. Burchell;Liviu Ungur;Liviu F. Chibotaru

  • Single-molecule magnet behavior for an antiferromagnetically superexchange-coupled dinuclear dysprosium(III) complex.

    Jerome Long;Fatemah Habib;Po-Heng Lin;Ilia Korobkov

  • Switching the anisotropy barrier of a single-ion magnet by symmetry change from quasi-D5h to quasi-Oh

    Jun-Liang Liu;Yan-Cong Chen;Yan-Zhen Zheng;Wei-Quan Lin

  • Structure, Magnetism, and Theoretical Study of a Mixed-Valence CoII3CoIII4 Heptanuclear Wheel: Lack of SMM Behavior despite Negative Magnetic Anisotropy

    Liviu F. Chibotaru;Liviu Ungur;Christophe Aronica;Hani Elmoll

  • Modern quantum chemistry with [Open]Molcas

    Francesco Aquilante;Jochen Autschbach;Alberto Baiardi;Stefano Battaglia

  • The active site of low-temperature methane hydroxylation in iron-containing zeolites

    Benjamin E. R. Snyder;Pieter Vanelderen;Pieter Vanelderen;Max L. Bols;Simon D. Hallaert

  • Fine-tuning the local symmetry to attain record blocking temperature and magnetic remanence in a single-ion magnet.

    Liviu Ungur;Jennifer J. Le Roy;Ilia Korobkov;Muralee Murugesu

  • Strategies toward High-Temperature Lanthanide-Based Single-Molecule Magnets.

    Liviu Ungur;Liviu F Chibotaru

  • Ab initio investigation of the non-collinear magnetic structure and the lowest magnetic excitations in dysprosium triangles

    Liviu Ungur;Willem Van den Heuvel;Liviu F. Chibotaru

  • Magnetic anisotropy in the excited states of low symmetry lanthanide complexes.

    Liviu Ungur;Liviu F. Chibotaru

  • Single-molecule toroics in Ising-type lanthanide molecular clusters

    Liviu Ungur;Shuang-Yan Lin;Jinkui Tang;Liviu F. Chibotaru

  • Ab Initio Crystal Field for Lanthanides.

    Liviu Ungur;Liviu Ungur;Liviu F. Chibotaru

  • Coexistence of Distinct Single‐Ion and Exchange‐Based Mechanisms for Blocking of Magnetization in a CoII2DyIII2 Single‐Molecule Magnet

    Kartik Chandra Mondal;Alexander Sundt;Yanhua Lan;George E. Kostakis

Frequent Co-Authors

Wolfgang Wernsdorfer
Wolfgang Wernsdorfer Karlsruhe Institute of Technology
Annie K. Powell
Annie K. Powell Karlsruhe Institute of Technology
Muralee Murugesu
Muralee Murugesu University of Ottawa
Ming-Liang Tong
Ming-Liang Tong Sun Yat-sen University
Jun-Liang Liu
Jun-Liang Liu Sun Yat-sen University
Yanhua Lan
Yanhua Lan Karlsruhe Institute of Technology
Ilia Korobkov
Ilia Korobkov Saudi Arabia Basic Industries (Saudi Arabia)
Jinkui Tang
Jinkui Tang Chinese Academy of Sciences
Xiao-Ming Chen
Xiao-Ming Chen Sun Yat-sen University

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