World's Best Scientists 2026 revealed!
Masaaki Ohba

Masaaki Ohba

D-Index & Metrics

Chemistry

D-Index
64
Citations
13627
World Ranking
8100
National Ranking
542

Masaaki Ohba 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 Masaaki Ohba 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: 252 publications — 50th percentile

50% of scientists in this discipline score the same or lower.

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

Masaaki Ohba 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 Masaaki Ohba 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: 64 D-Index — 56th percentile

56% of scientists in this discipline score the same or lower.

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

Overview

Masaaki Ohba is affiliated with Kyushu University in Japan and conducts research primarily in the field of Materials Science. Their work encompasses a broad range of topics within this discipline, with a particular focus on Materials Chemistry and Inorganic Chemistry as the main subfields of study. Other areas of research include Electronic, Optical and Magnetic Materials, Electrical and Electronic Engineering, and Molecular Biology.

The scientist's research interests cover several specific topics related to crystallography and coordination complexes. Key topics within their scholarly output include:

  • X-ray Diffraction in Crystallography
  • Crystallization and Solubility Studies
  • Metal-Organic Frameworks: Synthesis and Applications
  • Magnetism in coordination complexes
  • Covalent Organic Framework Applications
  • Thermal Expansion and Ionic Conductivity
  • Lanthanide and Transition Metal Complexes

Ohba's recent publications highlight ongoing work in advanced coordination polymers and metal-organic frameworks. Selected recent papers include:

  • Host-Guest Interaction Modulation in Porous Coordination Polymers for Inverse Selective CO2/C2H2 Separation (2021), published in Angewandte Chemie International Edition
  • Responsive Four-Coordinate Iron(II) Nodes in FePd(CN)4 (2020), published in Angewandte Chemie International Edition
  • Coordination Geometry Changes in Amorphous Cyanide-Bridged Metal-Organic Frameworks upon Water Adsorption (2021), published in Inorganic Chemistry
  • Luminescent ionic liquid formed from a melted rhenium(V) cluster (2020), published in Chemical Communications
  • Crystalline assembly of metal-organic polyhedra driven by ionic interactions with polyoxometalates (2021), published in Chemical Communications

The researcher frequently publishes in notable scientific journals and venues including:

  • The Cambridge Structural Database
  • Chemical Communications
  • Inorganic Chemistry
  • Angewandte Chemie
  • Angewandte Chemie International Edition

Collaborations form a significant aspect of Ohba's work, with frequent co-authors such as Benjamin Le Ouay, Ryo Ohtani, Junichi Yanagisawa, Haruka Yoshino, and Shinya Hayami contributing to joint research projects. These partnerships have resulted in numerous publications and sustained research output over time.

Best Publications

  • Synthesis and magnetism of multi-dimensional cyanide-bridged bimetallic assemblies

    Masaaki Ohba;Hisashi Ōkawa

  • Bidirectional chemo-switching of spin state in a microporous framework.

    Masaaki Ohba;Ko Yoneda;Gloria Agustí;M. Carmen Muñoz

  • Oxalate-bridged bimetallic complexes {NH(prol)3}[MCr(ox)3] (M = Mn(II), Fe(II), Co(II); NH(prol)3(+) = tri(3-hydroxypropyl)ammonium) exhibiting coexistent ferromagnetism and proton conduction.

    Hisashi Okawa;Akihito Shigematsu;Masaaki Sadakiyo;Takuya Miyagawa

  • Promotion of Low-Humidity Proton Conduction by Controlling Hydrophilicity in Layered Metal–Organic Frameworks

    Masaaki Sadakiyo;Hisashi Okawa;Hisashi Okawa;Akihito Shigematsu;Masaaki Ohba

  • A Three-Dimensional Ferrimagnet with a High Magnetic Transition Temperature (TC) of 53 K Based on a Chiral Molecule

    Katsuya Inoue;Hiroyuki Imai;Prasanna S. Ghalsasi;Koichi Kikuchi

  • A flexible coordination polymer crystal providing reversible structural and magnetic conversions.

    Wakako Kaneko;Masaaki Ohba;Susumu Kitagawa

  • A New Bimetallic Ferromagnet, [Ni(en)2]3[Fe(CN)6]2.cntdot.2H2O, with a Rare Rope-Ladder Chain Structure

    Masaaki Ohba;Naomi Maruono;Hisashi Okawa;Toshiaki Enoki

  • Bimetallic Magnetic Material [Ni(diamine)2]2[Fe(CN)6]X with Two-Dimensional Network Extended by Fe(III)-CN-Ni(II) Linkages

    Masaaki Ohba;Hisashi Okawa;Nobuo Fukita;Yuzo Hashimoto

  • Size and Surface Effects of Prussian Blue Nanoparticles Protected by Organic Polymers

    Takashi Uemura;Masaaki Ohba;Susumu Kitagawa

  • Structure and Magnetic Properties of a Chiral Two‐Dimensional Ferrimagnet with TC of 38 K

    Katsuya Inoue;Koichi Kikuchi;Masaaki Ohba;Hisashi Okawa

  • [Mn(en)]3[Cr(CN)6]2⋅4 H2O: A Three-Dimensional Dimetallic Ferrimagnet (Tc=69 K) with a Defective Cubane Unit

    Masaaki Ohba;Naoki Usuki;Nobuo Fukita;Hisashi Ōkawa

  • Temperature-controlled hydrothermal synthesis of a 2D ferromagnetic coordination bilayered polymer and a novel 3D network with inorganic Co3(OH)2 ferrimagnetic chains

    Ming Liang Tong;Ming Liang Tong;Susumu Kitagawa;Ho Chol Chang;Masaaki Ohba

  • Chiral Cyanide-Bridged MnIIMnIII Ferrimagnets, [MnII(HL)(H2O)][MnIII(CN)6]·2H2O (L = S- or R-1,2-diaminopropane): Syntheses, Structures, and Magnetic Behaviors

    Wakako Kaneko;Susumu Kitagawa;Masaaki Ohba

  • Heterodinuclear CuIIPbII and CuIIMII (M = Mn, Fe, Co, Ni, Cu, Zn) complexes of macrocycles with dissimilar 4- and 5-coordination sites : synthesis, structures, and properties

    Hisashi Okawa;Jun Nishio;Masaaki Ohba;Makoto Tadokoro

  • Proton-Conductive Magnetic Metal–Organic Frameworks, {NR3(CH2COOH)}[MaIIMbIII(ox)3]: Effect of Carboxyl Residue upon Proton Conduction

    Hisashi Okawa;Hisashi Okawa;Masaaki Sadakiyo;Teppei Yamada;Mitsuhiko Maesato

  • Precise control and consecutive modulation of spin transition temperature using chemical migration in porous coordination polymers.

    Ryo Ohtani;Ko Yoneda;Shuhei Furukawa;Nao Horike

  • Series of Trinuclear NiIILnIIINiII Complexes Derived from 2,6-Di(acetoacetyl)pyridine: Synthesis, Structure, and Magnetism

    Takuya Shiga;Nobuhiro Ito;Akiko Hidaka;Hisashi Okawa

  • Stepwise synthesis and magnetic control of trimetallic magnets [Co2Ln(L)2(H2O)4][Cr(CN)6].nH2O (Ln = La, Gd; H2L = 2,6-Di(acetoacetyl)pyridine) with 3-D pillared-layer structure.

    Takuya Shiga;Hisashi Okawa;Susumu Kitagawa;Masaaki Ohba

  • Reversible Water-Induced Magnetic and Structural Conversion of a Flexible Microporous Ni(II)Fe(III) Ferromagnet

    Nobuhiro Yanai;Wakako Kaneko;Ko Yoneda;Masaaki Ohba

  • A bistable porous coordination polymer with a bond-switching mechanism showing reversible structural and functional transformations

    Sujit K. Ghosh;Wakako Kaneko;Daisuke Kiriya;Masaaki Ohba

Frequent Co-Authors

Hisashi Okawa
Hisashi Okawa Kyoto University
Susumu Kitagawa
Susumu Kitagawa Kyoto University
Naohide Matsumoto
Naohide Matsumoto Kumamoto University
Shinya Hayami
Shinya Hayami Kumamoto University
David E. Fenton
David E. Fenton University of Sheffield
Ana B. Gaspar
Ana B. Gaspar University of Valencia
M. Carmen Muñoz
M. Carmen Muñoz Universitat Politècnica de València
José Antonio Real
José Antonio Real University of Valencia
Yoshihiko Sadaoka
Yoshihiko Sadaoka Ehime University
Katsuya Inoue
Katsuya Inoue Hiroshima University

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