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Masaaki Ohba

Masaaki Ohba

D-Index & Metrics

Chemistry

D-Index
64
Citations
13627
World Ranking
8102
National Ranking
542

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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