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Kazuchika Ohta

Kazuchika Ohta

D-Index & Metrics

Chemistry

D-Index
40
Citations
6154
World Ranking
17890
National Ranking
1415

Overview

Kazuchika Ohta is a researcher affiliated with Shinshu University in Japan, specializing primarily in the fields of Materials Science and Chemistry. Their work significantly contributes to the subfields of Electronic, Optical and Magnetic Materials, Organic Chemistry, Materials Chemistry, Spectroscopy, and Polymers and Plastics.

Their research topics encompass a range of areas including Liquid Crystal Research Advancements, Porphyrin and Phthalocyanine Chemistry, Surfactants and Colloidal Systems, Organic and Molecular Conductors Research, Molecular Spectroscopy and Chirality, Magnetism in Coordination Complexes, and Crystallography and Molecular Interactions.

The scientist's recent publications include the following papers:

  • Electrically conductive charge-segregated pseudo-polymorphs comprising highly planar expanded π-electronic cations (2025) in Chemical Science
  • Discotic liquid crystals of transition metal complexes 59: Parity effect of the number of d-electrons on the columnar mesomorphism and homeotropic alignment of 1,4-diazatriphenylenocyaninato metal(II) complexes (2021) in Journal of Porphyrins and Phthalocyanines
  • Regulatable endothermic behavior of one-chain-tethered sliding graft copolymers as novel solid-solid phase change materials (2024) in Polymer
  • Discotic liquid crystals of transition metal complexes 57: X-ray diffraction halo jumps originated from sudden free rotation of substituent groups to induce mesomorphism (2020) in Journal of Porphyrins and Phthalocyanines
  • Discotic liquid crystals of transition metal complexes 60 †: synthesis and π-acceptor abilities of novel discotic liquid crystals based on dithiolene nickel complex (2023) in Molecular Crystals and Liquid Crystals

Kazuchika Ohta has collaborated frequently with several co-authors, including M. Yasutake, Kouki Sugiyama, Yohei Haketa, R. Nakajima, and Yuto Maruyama.

Their works have been published predominantly in journals such as:

  • Journal of Porphyrins and Phthalocyanines
  • Liquid Crystals
  • Chemical Science
  • Polymer
  • Molecular Crystals and Liquid Crystals

In addition to journal articles, Ohta has contributed to book publications, including a title published by World Scientific: Solutions and X-ray Non-3D Phase Structure Analysis of Soft Matter (2022).

Best Publications

  • Discotic liquid crystals of transition metalcomplexes, Part 30:spontaneous uniform homeotropic alignment of octakis(dialkoxyphenoxy)phthalocyaninatocopper(II)complexes

    Kazuaki Hatsusaka;Kazuchika Ohta;Iwao Yamamoto;Hirofusa Shirai

  • Discotic liquid crystals of transition metalcomplexes 29: mesomorphism and charge transport properties of alkylthio-substitutedphthalocyanine rare-earth metal sandwich complexes

    Kazue Ban;Kaoru Nishizawa;Kazuchika Ohta;Anick M. van de Craats

  • Influence of the nature of the side chains on the mesomorphic properties of octasubstituted phthalocyanine derivatives. Annelides XXIX

    K. Ohta;L. Jacquemin;C. Sirlin;L. Bosio

  • Chromic materials. Part 1.—Liquid-crystalline behaviour and electrochromism in bis(octakis-n-alkylphthalocyaninato)lutetium(III) complexes

    Tsuyoshi Komatsu;Kazuchika Ohta;Tetsuya Fujimoto;Iwao Yamamoto

  • Fibrous Assemblies Made of Amphiphilic Metallophthalocyanines

    Mutsumi Kimura;Tsuyoshi Muto;Hideaki Takimoto;Kazumi Wada

  • Synthesis of poly(6-azulenylethynyl)benzene derivatives as a multielectron redox system with liquid crystalline behavior.

    Shunji Ito;Haruki Inabe;Noboru Morita;Kazuchika Ohta

  • Discotic liquid crystalline semiconductors

    Kazuchika Ohta;Kazuaki Hatsusaka;Makiko Sugibayashi;Masahiro Ariyoshi

  • Self-organization of hydrogen-bonded optically active phthalocyanine dimers

    Mutsumi Kimura;Takahisa Kuroda;Kazuchika Ohta;Kenji Hanabusa

  • Self-organization of supramolecular complex composed of rigid dendritic porphyrin and fullerene.

    Mutsumi Kimura;Yoshikazu Saito;Kazuchika Ohta;Kenji Hanabusa

  • Discotic liquid crystals of transition metal complexes 27: supramolecular structure of liquid crystalline octakis-alkylthiophthalocyanines and their copper complexes

    Kazue Ban;Kaoru Nishizawa;Kazuchika Ohta;Hirofusa Shirai

  • Discotic liquid crystals of transition metal complexes. Part 24 Synthesis and mesomorphism of porphyrin derivatives substituted with two or four bulky groups

    Kazuchika Ohta;Noboru Yamaguchi;Iwao Yamamoto

  • Discotic Liquid Crystals of Transition Metal Complexes, 3: the First-Established Discotic Lamellar Phase in Bis[1,3- di(p-n-alkoxyphenyl)propane-1,3-dionato]copper(II)

    Kazuchika Ohta;Hiromitsu Muroki;Akira Takagi;Koh-Ichi Hatada

  • Spin transition at the mesophase transition temperature in a cobalt(II) compound with branched alkyl chains.

    Shinya Hayami;Reiko Moriyama;Aya Shuto;Yonezo Maeda

  • Mesomorphic phase transitions of tetraphenylporphyrins with four long aliphatic chains

    Y. Shimizu;M. Miya;A. Nagata;K. Ohta

  • Organic-inorganic composites comprised of ordered stacks of amphiphilic molecular disks.

    Mutsumi Kimura;Kazumi Wada;Kazuchika Ohta;Kenji Hanabusa

  • Star-shaped stilbenoid phthalocyanines

    Mutsumi Kimura;Hirotoshi Narikawa;Kazuchika Ohta;Kenji Hanabusa

  • Discotic liquid crystals of transition metal complexes 37: a thermotropic cubic mesophase having Pn3m symmetry exhibited by phthalocyanine-based derivatives

    Masahiro Ichihara;Ayumi Suzukia;Kazuaki Hatsusaka;Kazuchika Ohta

  • Time-of-flight analysis of charge mobility in a Cu-phthalocyanine-based discotic liquid crystal semiconductor

    Hideo Fujikake;Takeshi Murashige;Makiko Sugibayashi;Kazuchika Ohta

  • Electrical properties of condensed phases of the mesogen bis(octa-octadecyloxymethylphthalocyaninato)lutetium

    Z. Belarbi;M. Maitrot;K. Ohta;J. Simon

  • Flying-seed-like liquid crystals 2: unprecedented guidelines to obtain liquid crystalline compounds

    Yasufumi Takagi;Kazuchika Ohta;Shota Shimosugi;Tatsuya Fujii

  • Charge Transport in the Mesomorphic Free-Radical Compound Bis(octakis(dodecyloxy)phthalocyaninato)lutetium(III)

    Anick M. van de Craats;John M. Warman;Hiroshi Hasebe;and Rie Naito

Frequent Co-Authors

Nagao Kobayashi
Nagao Kobayashi Tokyo Institute of Technology
Mutsumi Kimura
Mutsumi Kimura Shinshu University
Hirofusa Shirai
Hirofusa Shirai Shinshu University
Kenji Hanabusa
Kenji Hanabusa Shinshu University
Byoung-Suhk Kim
Byoung-Suhk Kim Jeonbuk National University
Shinya Hayami
Shinya Hayami Kumamoto University
Masanori Ozaki
Masanori Ozaki Osaka University
Ick Soo Kim
Ick Soo Kim Shinshu University
Katsuya Inoue
Katsuya Inoue Hiroshima University
Shu Seki
Shu Seki Kyoto University

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