World's Best Scientists 2026 revealed!
Rika Hagiwara

Rika Hagiwara

D-Index & Metrics

Chemistry

D-Index
62
Citations
16266
World Ranking
8721
National Ranking
599

Rika Hagiwara 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 Rika Hagiwara 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: 439 publications — 84th percentile

84% of scientists in this discipline score the same or lower.

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

Rika Hagiwara 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 Rika Hagiwara 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: 62 D-Index — 52nd percentile

52% of scientists in this discipline score the same or lower.

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

Overview

Rika Hagiwara is affiliated with Kyoto University in Japan and has a significant research focus in the fields of engineering and materials science. Their work primarily spans electrical and electronic engineering, materials chemistry, inorganic chemistry, catalysis, and mechanical engineering.

The scientist's research is concentrated on advanced battery materials and technologies, with specific attention to advancements in battery materials, inorganic fluorides and related compounds, supercapacitor materials and fabrication, advanced battery technologies research, thermal expansion and ionic conductivity, and ionic liquids properties and applications.

Published papers by Rika Hagiwara include:

  • Pseudo-solid-state electrolytes utilizing the ionic liquid family for rechargeable batteries (2021), Energy & Environmental Science
  • Application of Ionic Liquid as K-Ion Electrolyte of Graphite//K2Mn[Fe(CN)6] Cell (2020), ACS Energy Letters
  • Ionic Liquid Electrolytes for Next-generation Electrochemical Energy Devices (2022), EnergyChem
  • Electrolytes toward High-Voltage Na3V2(PO4)2F3 Positive Electrode Durable against Temperature Variation (2020), Advanced Energy Materials
  • The Rational Design of Low-Barrier Fluorinated Aluminum Substrates for Anode-Free Sodium Metal Battery (2023), Advanced Energy Materials

The frequent coauthors associated with Rika Hagiwara are Kazuhiko Matsumoto, Jinkwang Hwang, Keigo Kubota, Yuto Tonouchi, and Shubham Kaushik.

The scientist has contributed regularly to several publication venues, including:

  • The Cambridge Structural Database
  • ACS Applied Materials & Interfaces
  • Advanced Energy Materials
  • Journal of The Electrochemical Society
  • ACS Applied Energy Materials

Best Publications

  • Room temperature ionic liquids of alkylimidazolium cations and fluoroanions

    Rika Hagiwara;Yasuhiko Ito

  • Design concepts for the Cherenkov Telescope Array CTA: An advanced facility for ground-based high-energy gamma-ray astronomy

    M. Actis;G. Agnetta;F. Aharonian;A. Akhperjanian

  • Introducing the CTA concept

    B. S. Acharya;M. Actis;T. Aghajani;G. Agnetta

  • A new structure model of graphite oxide

    T. Nakajima;A. Mabuchi;R. Hagiwara

  • Application of Low-Viscosity Ionic Liquid to the Electrolyte of Double-Layer Capacitors

    Makoto Ue;Masayuki Takeda;Akiko Toriumi;Asao Kominato

  • Novel aspects of graphite intercalation by fluorine and fluorides and new B/C, C/N and B/C/N materials based on the graphite network

    J. Kouvetakis;T. Sasaki;C. Shen;R. Hagiwara

  • On the so-called “semi-ionic” C–F bond character in fluorine–GIC

    Yuta Sato;Keiji Itoh;Rika Hagiwara;Toshiharu Fukunaga

  • The Application of Room Temperature Molten Salt with Low Viscosity to the Electrolyte for Dye-Sensitized Solar Cell

    Hajime Matsumoto;Toshihiko Matsuda;Tetsuya Tsuda;Rika Hagiwara

  • Acidic 1-ethyl-3-methylimidazolium fluoride: a new room temperature ionic liquid

    Rika Hagiwara;Takayuki Hirashige;Tetsuya Tsuda;Yasuhiko Ito

  • A Highly Conductive Room Temperature Molten Fluoride: EMIF ⋅ 2.3 HF

    Rika Hagiwara;Takayuki Hirashige;Tetsuya Tsuda;Yasuhiko Ito

  • Advances in sodium secondary batteries utilizing ionic liquid electrolytes

    Kazuhiko Matsumoto;Kazuhiko Matsumoto;Jinkwang Hwang;Shubham Kaushik;Chih-Yao Chen

  • A room-temperature molten hydrate electrolyte for rechargeable zinc–air batteries

    Chih‐Yao Chen;Kazuhiko Matsumoto;Kazuhiko Matsumoto;Keigo Kubota;Rika Hagiwara;Rika Hagiwara

  • Ionic Liquids for Electrochemical Devices

    Rika Hagiwara;Je Seung Lee

  • Physicochemical Properties of 1,3-Dialkylimidazolium Fluorohydrogenate Room-Temperature Molten Salts

    Rika Hagiwara;Kazuhiko Matsumoto;Yoji Nakamori;Tetsuya Tsuda

  • NaFSA–C1C3pyrFSA ionic liquids for sodium secondary battery operating over a wide temperature range

    Changsheng Ding;Toshiyuki Nohira;Keisuke Kuroda;Rika Hagiwara

  • Direct electrolytic reduction of solid SiO2 in molten CaCl2 for the production of solar grade silicon

    Kouji Yasuda;Toshiyuki Nohira;Rika Hagiwara;Yukio H. Ogata

  • Thermal Properties of Mixed Alkali Bis(trifluoromethylsulfonyl)amides

    Rika Hagiwara;Kenichiro Tamaki;Keigo Kubota;Takuya Goto

  • Thermal and Transport Properties of Na[N(SO2F)2]–[N-Methyl-N-propylpyrrolidinium][N(SO2F)2] Ionic Liquids for Na Secondary Batteries

    Kazuhiko Matsumoto;Yu Okamoto;Toshiyuki Nohira;Rika Hagiwara

  • Na[FSA]-[C3C1pyrr][FSA] ionic liquids as electrolytes for sodium secondary batteries: Effects of Na ion concentration and operation temperature

    Changsheng Ding;Toshiyuki Nohira;Rika Hagiwara;Kazuhiko Matsumoto

  • Intermediate-temperature ionic liquid NaFSA-KFSA and its application to sodium secondary batteries

    Atsushi Fukunaga;Atsushi Fukunaga;Toshiyuki Nohira;Yu Kozawa;Rika Hagiwara

Frequent Co-Authors

Kazuhiko Matsumoto
Kazuhiko Matsumoto Kyoto University
Toshiyuki Nohira
Toshiyuki Nohira Kyoto University
Tsuyoshi Nakajima
Tsuyoshi Nakajima Aichi Institute of Technology
Yuki Orikasa
Yuki Orikasa Ritsumeikan University
Reiko Orito
Reiko Orito University of Tokushima
Akira Okumura
Akira Okumura Nagoya University
Yoshiharu Uchimoto
Yoshiharu Uchimoto Kyoto University
Kohta Murase
Kohta Murase Pennsylvania State University
Kunihito Ioka
Kunihito Ioka Kyoto University
Seijiro Matsubara
Seijiro Matsubara Kyoto University

If you think any of the details on this page are incorrect, let us know.

Report an issue

We appreciate your kind effort to assist us to improve this page, it would be helpful providing us with as much detail as possible in the text box below:

Related Online Degrees & Career Pathways

Studying Chemistry in the USA opens doors to a variety of exciting career pathways that often require complementary online degrees. For instance, roles in pharmaceutical sales are a popular choice. Learning how to become a pharmaceutical sales rep salary and career paths can help students align their education with market demands and potential earnings.

Beyond sales, the healthcare industry offers specialized roles. Those interested in healthcare and chemistry might explore how much schooling to be a pharmacist involves extensive education but can lead to rewarding and well-compensated careers. Alternatively, forensic and medical fields provide unique opportunities such as autopsy technician jobs, which combine chemistry knowledge with investigative skills.

Another intriguing option is legal support roles related to chemical patents or intellectual property. Understanding what types of paralegals make the most money can guide students toward legal careers that blend chemistry expertise with law. Pursuing related degrees online allows flexibility while preparing for these diverse, in-demand professions.

Exploring these related paths alongside a chemistry degree enhances employability and helps students target roles with promising salaries and strong job outlooks.

Best Scientists Citing Rika Hagiwara

Trending Scientists

Recently Published Articles