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Materials Science

D-Index
63
Citations
12624
World Ranking
6268
National Ranking
316

Overview

Hiroaki Kumakura is affiliated with the National Institute for Materials Science in Japan. Their research primarily spans the field of Environmental Science, with a focus on subfields including Global and Planetary Change, Atmospheric Science, Health, Toxicology and Mutagenesis, Environmental Engineering, and Electrical and Electronic Engineering.

Their recent scholarly contributions include work published in various academic venues, highlighting diverse aspects of atmospheric and environmental research. Notable papers include:

  • Evaluation of 30 urban land surface models in the Urban-PLUMBER project: Phase 1 results, 2023, Quarterly Journal of the Royal Meteorological Society
  • A model intercomparison of atmospheric 137Cs concentrations from the Fukushima Daiichi Nuclear Power Plant accident, phase III: Simulation with an identical source term and meteorological field at 1-km resolution, 2020, Atmospheric Environment X
  • O 2: CO 2 exchange ratio for net turbulent flux observed in an urban area of Tokyo, Japan, and its application to an evaluation of anthropogenic CO 2 emissions, 2020, Atmospheric chemistry and physics
  • Analyses of hierarchical structures in SBR rubber by using contrast-variation SANS: Effects of a silane coupling agent, 2024, Polymer
  • Sub-Daily Natural CO2 Flux Simulation Based on Satellite Data: Diurnal and Seasonal Pattern Comparisons to Anthropogenic CO2 Emissions in the Greater Tokyo Area, 2021, Remote Sensing

Kumakura has frequently collaborated with several researchers in their field, including:

  • Shigeyuki Ishidoya
  • Mathew Lipson
  • Sue Grimmond
  • Martin Best
  • Gab Abramowitz

Their work has been published across a range of journals, with frequent contributions to:

  • Zenodo (CERN European Organization for Nuclear Research)
  • Atmospheric chemistry and physics
  • Journal of Veterinary Medical Science
  • Quarterly Journal of the Royal Meteorological Society
  • Atmospheric Environment X

Kumakura's research topics reflect interests in atmospheric chemistry and aerosols, atmospheric and environmental gas dynamics, climate variability and models, air quality and health impacts, plant water relations and carbon dynamics, and microbial infections and disease research. They have also contributed to studies related to urban heat island mitigation.

Best Publications

  • Superconducting properties of MgB2 bulk materials prepared by high-pressure sintering

    Y. Takano;H. Takeya;H. Fujii;H. Kumakura

  • Exploration of new superconductors and functional materials, and fabrication of superconducting tapes and wires of iron pnictides

    Hideo Hosono;Keiichi Tanabe;Eiji Takayama-Muromachi;Hiroshi Kageyama

  • Partial Melt Growth Process of Bi2Sr2Ca1Cu2Ox Textured Tapes on Silver

    Jun-ichiro Kase;Kazumasa Togano;Hiroaki Kumakura;Daniel R. Dietderich

  • Upper critical fields of powder-in-tube-processed MgB2/Fe tape conductors

    H. Kumakura;H. Kitaguchi;A. Matsumoto;H. Hatakeyama

  • MgB2 films with very high critical current densities due to strong grain boundary pinning

    Hitoshi Kitaguchi;Akiyoshi Matsumoto;Hiroaki Kumakura;Toshiya Doi

  • Effect of aromatic hydrocarbon addition on in situ powder-in-tube processed MgB2 tapes

    H Yamada;M Hirakawa;H Kumakura;H Kitaguchi

  • Preparation of the textured Bi-based oxide tapes by partial melting process

    J. Kase;T. Morimoto;K. Togano;H. Kumakura

  • Effect of SiO2 and SiC doping on the powder-in-tube processed MgB2 tapes

    A Matsumoto;H Kumakura;H Kitaguchi;H Hatakeyama

  • Microscopic role of carbon on MgB2 wire for critical current density comparable to NbTi

    Jung Ho Kim;Sangjun Oh;Yoon Uk Heo;Satoshi Hata

  • Evaluation of connectivity, flux pinning, and upper critical field contributions to the critical current density of bulk pure and SiC-alloyed MgB2

    A. Matsumoto;H. Kumakura;H. Kitaguchi;B. J. Senkowicz

  • Large Transport Critical Current Densities of Ag Sheathed (Ba,K)Fe2As2+Ag Superconducting Wires Fabricated by an ex-situ Powder-in-Tube (PIT) Process

    Kazumasa Togano;Akiyoshi Matsumoto;Hiroaki Kumakura

  • Control of nano carbon substitution for enhancing the critical current density in MgB2

    Wai Kong Yeoh;Jung Ho Kim;Josip Horvat;Xun Xu

  • Fabrication of the Iron-Based Superconducting Wire Using Fe(Se,Te)

    Yoshikazu Mizuguchi;Yoshikazu Mizuguchi;Keita Deguchi;Keita Deguchi;Shunsuke Tsuda;Takahide Yamaguchi

  • Critical current densities of powder-in-tube MgB2 tapes fabricated with nanometer-size Mg powder

    H. Yamada;M. Hirakawa;H. Kumakura;A. Matsumoto

  • Fabrication of high-performance MgB2 wires by an internal Mg diffusion process

    J M Hur;J M Hur;K Togano;A Matsumoto;H Kumakura

  • Large Transport Critical Current Densities of Ag Sheathed (Ba,K)Fe2As2+Ag Superconducting Wires Fabricated by an Ex-situ Powder-in-Tube Process

    Kazumasa Togano;Akiyoshi Matsumoto;Hiroaki Kumakura

  • Achievement of practical level critical current densities in Ba1−xKxFe2As2/Ag tapes by conventional cold mechanical deformation

    Zhaoshun Gao;Kazumasa Togano;Akiyoshi Matsumoto;Hiroaki Kumakura

  • Magnetic separation using superconducting magnets

    Takeshi Ohara;Hiroaki Kumakura;Hitoshi Wada

  • Approach for the fabrication of MgB2 superconducting tape with large in-field transport critical current density

    K. Komori;K. Kawagishi;Y. Takano;H. Fujii

  • Textured Thick Films of Bi2Sr2Ca1Cu2Ox

    Daniel R. Dietderich;Bernd Ullmann;Herbert C. Freyhardt;Junichiro Kase

  • Achievement of practical level critical current densities in PIT Ba1-xKxFe2As2/Ag tapes by conventional cold mechanical deformation

    Zhaoshun Gao;Kazumasa Togano;Akiyoshi Matsumoto;Hiroaki Kumakura

Frequent Co-Authors

Kazumasa Togano
Kazumasa Togano National Institute for Materials Science
Hitoshi Kitaguchi
Hitoshi Kitaguchi National Institute for Materials Science
Yoshihiko Takano
Yoshihiko Takano National Institute for Materials Science
Hiroshi Maeda
Hiroshi Maeda Kumamoto University
Jung Ho Kim
Jung Ho Kim University of Wollongong
Yoshikazu Mizuguchi
Yoshikazu Mizuguchi Tokyo Metropolitan University
Shi Xue Dou
Shi Xue Dou University of Wollongong
Satoshi Awaji
Satoshi Awaji Tohoku University
Jun-ichi Shimoyama
Jun-ichi Shimoyama Aoyama Gakuin University
Takeshi Morimoto
Takeshi Morimoto Kindai University

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