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Yoshikiyo Hatakeyama · SciRah

Researcher profile · Semantic Scholar

Yoshikiyo Hatakeyama

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Yoshikiyo Hatakeyama — researcher profile on SciRah

h-index: 14
Works: 59
Citations: 793

Most-cited papers

Effects of sputtering conditions on formation of gold nanoparticles in sputter deposition technique
Yoshikiyo Hatakeyama, Keiichiro Onishi, K. Nishikawa
2011108 citations
Semantic Scholar
Synthesis of Gold Nanoparticles in Liquid Polyethylene Glycol by Sputter Deposition and Temperature Effects on their Size and Shape
Yoshikiyo Hatakeyama, Takeshi Morita, S. Takahashi, Keiichiro Onishi +1 more
201195 citations
Semantic Scholar
Can Temperature Control the Size of Au Nanoparticles Prepared in Ionic Liquids by the Sputter Deposition Technique
Yoshikiyo Hatakeyama, S. Takahashi, K. Nishikawa
201081 citations
Semantic Scholar
Small-Angle X-ray Scattering Study of Au Nanoparticles Dispersed in the Ionic Liquids 1 -Alkyl-3-methylimidazolium Tetrafluoroborate
Yoshikiyo Hatakeyama, Mai Okamoto, T. Torimoto, S. Kuwabata +1 more
200977 citations
Semantic Scholar
Large-area silica aerogel for use as Cherenkov radiators with high refractive index, developed by supercritical carbon dioxide drying
M. Tabata, I. Adachi, Yoshikiyo Hatakeyama, H. Kawai +2 more
201635 citations Open access
Semantic Scholar
K-Edge X-ray Absorption Fine Structure Analysis of Pt/Au Core–Shell Electrocatalyst: Evidence for Short Pt–Pt Distance
Takahiro Kaito, Hisashi Mitsumoto, S. Sugawara, K. Shinohara +6 more
201433 citations Open access
Semantic Scholar
Anisotropic Mechanical Properties of Collagen Hydrogels Induced by Uniaxial-Flow for Ocular Applications
Yuji Tanaka, A. Kubota, M. Matsusaki, Thomas J Duncan +6 more
2011Journal of Biomaterials Science. Polymer Edition27 citations
Semantic Scholar
Aspect-Ratio Dependence on Formation Process of Gold Nanorods Studied by Time-Resolved Distance Distribution Functions
Takeshi Morita, Eiichi Tanaka, Yuki Inagaki, H. Hotta +6 more
201024 citations
Semantic Scholar
Anion and cation effects on the size control of Au nanoparticles prepared by sputter deposition in imidazolium-based ionic liquids.
Yoshikiyo Hatakeyama, K. Judai, Keiichiro Onishi, S. Takahashi +2 more
2016Physical Chemistry, Chemical Physics - PCCP23 citations
Semantic Scholar
Air Oxidation of Carbon Spheres. II. Micropore Development
M. Inagaki, T. Nishikawa, K. Oshida, Katsuya Fukuyama +2 more
200620 citations Open access
Semantic Scholar
Nitrogen-Doped Seamless Activated Carbon Electrode with Excellent Durability for Electric Double Layer Capacitor
Tomomi Tagaya, Yoshikiyo Hatakeyama, S. Shiraishi, Hidehiko Tsukada +3 more
202018 citations Open access
Semantic Scholar
Low-Temperature Production of Genuinely Amorphous Carbon from Highly Reactive Nanoacetylide Precursors
K. Judai, N. Iguchi, Yoshikiyo Hatakeyama
201617 citations Open access
Semantic Scholar
Dependence of crystal symmetry, electrical conduction property and electronic structure of LnFeO 3 (Ln: La, Pr, Nd, Sm) on kinds of Ln 3+
Eiki Niwa, Tsubasa Sato, Yuki Watanabe, Yuichiro Toyota +5 more
201516 citations Open access
Semantic Scholar
Growth Behavior of Gold Nanorods Synthesized by the Seed-Mediated Method: Tracking of Reaction Progress by Time-Resolved X-ray Absorption Near-Edge Structure, Small-Angle X-ray Scattering, and Ultraviolet–Visible Spectroscopy
Yoshikiyo Hatakeyama, K. Sasaki, K. Judai, K. Nishikawa +1 more
201814 citations
Semantic Scholar
Visible photoluminescence of gold nanoparticles prepared by sputter deposition technique in a room-temperature ionic liquid
Toshifumi Iimori, Yoshikiyo Hatakeyama, K. Nishikawa, M. Kato +1 more
201314 citations
Semantic Scholar
Effect of the thickness of single-walled carbon nanotube electrodes on the discharge properties of Li–air batteries
Yoshikiyo Hatakeyama, Akifumi Suga, Izuru Shimabukuro, Shuntaro Sugimoto +1 more
202013 citations
Semantic Scholar
Nitrogen Doped Superactivated Carbons Prepared at Mild Conditions as Electrodes for Supercapacitors in Organic Electrolyte
María José Mostazo-López, R. Ruiz-Rosas, Tomomi Tagaya, Yoshikiyo Hatakeyama +3 more
2020C — Journal of Carbon Research13 citations Open access
Semantic Scholar
Multiple small-angle X-ray scattering analyses of the structure of gold nanorods with unique end caps
Takeshi Morita, Yoshikiyo Hatakeyama, K. Nishikawa, Eiichi Tanaka +4 more
200913 citations
Semantic Scholar
Investigation of the effect of load weight on the discharge capacity of lithium–O2 batteries using carbon-paper–based electrodes
Yoshikiyo Hatakeyama, Haruka Naito, Ryoshi Oda, Soshi Shiraishi
2024Journal of Energy Storage11 citations Open access
Semantic Scholar
Optical and Radiographical Characterization of Silica Aerogel for Cherenkov Radiator
M. Tabata, I. Adachi, Yoshikiyo Hatakeyama, Hideyuki Kawai +2 more
2012IEEE Transactions on Nuclear Science11 citations Open access
Semantic Scholar
Ordering of the Structure of Polymer-Capped Gold Nanorods under an External Electric Field.
Toshiaki Fukagawa, Hiroaki Tanaka, Kouki Morikawa, Shunsuke Tanaka +2 more
2020Journal of Physical Chemistry Letters10 citations
Semantic Scholar
Titanium oxide nanoparticle dispersions in a liquid monomer and solid polymer resins prepared by sputtering
Matteo Porta, M. T. Nguyen, T. Yonezawa, T. Tokunaga +4 more
201610 citations Open access
Semantic Scholar
Effect of Adding a Thiol Stabilizer on Synthesis of Au Nanoparticles by Sputter Deposition onto Poly(ethylene glycol)
Yoshikiyo Hatakeyama, J. Kato, Tomohiro Mukai, K. Judai +1 more
201410 citations
Semantic Scholar
Microscopic Structure of Naked Au Nanoparticles Synthesized in Typical Ionic Liquids by Sputter Deposition
Yoshikiyo Hatakeyama, K. Asakura, S. Takahashi, K. Judai +1 more
20149 citations
Semantic Scholar
Fusion Growth of Gold Nanoparticles Induced by the Conformational Change of a Thermoresponsive Polymer Studied by Distance Distribution Functions
Takeshi Morita, Kenta Kurihara, O. Yoshida, H. Imamura +3 more
20139 citations
Semantic Scholar
Tracking Structural Changes of Carbon Nanotube Electrodes for Lithium–Air Batteries by Time-Resolved Operando Wide- and Small-Angle X-ray Scattering
Yoshikiyo Hatakeyama, Mana Sugimoto, Akifumi Suga, Haruka Naito +4 more
2022Journal of Physical Chemistry C8 citations
Semantic Scholar
Regeneration of Fully-discharged Graphite-Fluoride Lithium Primary Battery as Electrochemical Capacitor
Izuru Shimabukuro, T. Kawashima, Yasuyoshi Shiraishi, Noriaki Katagiri +2 more
2020Electrochemistry8 citations Open access
Semantic Scholar
X-ray radiographic technique for measuring density uniformity of silica aerogel
M. Tabata, Yoshikiyo Hatakeyama, I. Adachi, Takeshi Morita +1 more
20128 citations Open access
Semantic Scholar
Improvements in char yield and pore properties of wood-derived carbon by iodine treatment
Kazumasa Nakamura, Y. Tanabe, Y. Nagakura, T. Nishizawa +3 more
20088 citations Open access
Semantic Scholar
Study of Hybrid Dust Sample Collection System Toward Mars Aeroflyby Sample Collection Mission
Toshiyuki Suzuki, T. Ozawa, K. Fujita, Yoshikiyo Hatakeyama +5 more
20137 citations
Semantic Scholar
Temperature-independent formation of Au nanoparticles in ionic liquids by arc plasma deposition
Yoshikiyo Hatakeyama, S. Kimura, T. Kameyama, Agawa Yoshiaki +4 more
20166 citations Open access
Semantic Scholar
Study of Non-Ablative Lightweight Thermal Protection System for Mars Exploration Mission
Toshiyuki Suzuki, T. Aoki, T. Ogasawara, T. Ozawa +2 more
20126 citations
Semantic Scholar
Effect of an External DC Electric Field on the Order of Polymer-Capped Gold Nanorods: Formation of Smectic, Tetragonal, and Hexagonal Structures
Toshiaki Fukagawa, Ryouichi Tajima, Yoshihiro Yamaguchi, Hiroaki Tanaka +4 more
20215 citations
Semantic Scholar
Capacitance properties of activated Ketjenblack as an electrode active-material for an electric double layer capacitor
S. Shiraishi, S. Kawaguchi, Izuru Shimabukuro, Yoshikiyo Hatakeyama
2019Carbon5 citations Open access
Semantic Scholar
Advances in Electric Double-Layer Capacitor Research Using X-ray Scattering Techniques
Yoshikiyo Hatakeyama, R. Futamura
2024Electrochemistry3 citations Open access
Semantic Scholar
Capacitance Properties and Durability of Various Single-Walled Carbon Nanotube Electrodes for Electric Double Layer Capacitor
Izuru Shimabukuro, Yoshikiyo Hatakeyama, S. Shiraishi
2020Electrochemistry3 citations Open access
Semantic Scholar
Estimation of pore structures in carbon fibers prepared from polymer blends during carbonization by small-angle X-ray scattering
Katsuya Fukuyama, Yoshikiyo Hatakeyama, Tatsuroh Hoshino, A. Ōya +1 more
20083 citations
Semantic Scholar
Exploring the frontiers of Li–air battery research: A review of in situ/operando measurement techniques
Yoshikiyo Hatakeyama, Ryoshi Oda, Seii Yamamoto, Soshi Shiraishi
2025Carbon Reports2 citations Open access
Semantic Scholar
Enhancing understanding of pressure drop in carbon porous electrodes for vanadium redox flow batteries
H. Ishitobi, Honoka Doki, S. Shiraishi, Hidehiko Tsukada +3 more
2023Journal of Energy Storage2 citations Open access
Semantic Scholar
Enhancement of the Electrode Activity of the Vanadium Redox Flow Battery by Higher Crystallinity of Carbon Matrix Using Seamless and Consecutive-porous Carbon Materials
H. Ishitobi, Honoka Doki, S. Shiraishi, Hidehiko Tsukada +3 more
2022Journal of the Electrochemical Society2 citations Open access
Semantic Scholar
Effect of chemical state and occupation site of RE (RE = Yb, Y, Eu, Sm, Nd) on crystal structure and optical property of BaCe1-xRExO3-δ —Analyses of origin of peculiar crystal structure and property of BaCe1-xNdxO3-δ
Eiki Niwa, Tomomi Hosaka, Takahiro Onoe, Misa Shimizu +4 more
20172 citations
Semantic Scholar
Investigation of New Martian Dust Sample Capture System
T. Ozawa, Toshiyuki Suzuki, K. Kurosawa, Yoshikiyo Hatakeyama +1 more
20142 citations Open access
Semantic Scholar
Small-Angle X-ray Scattering
Katsuya Fukuyama, Yoshikiyo Hatakeyama
20161 citations
Semantic Scholar
Helical Nanostructure of Achiral Silver p-Tolylacetylide Molecules
K. Judai, Yoshikiyo Hatakeyama, J. Nishijo
20131 citations Open access
Semantic Scholar
Development of large area silica aerogel used as RICH radiator for the Belle II experiment
M. Tabata, I. Adachi, Yoshikiyo Hatakeyama, H. Kawai +3 more
2012Nuclear Science Symposium and Medical Imaging Conference1 citations
Semantic Scholar
(Invited) Investigation of Electric Double-Layer Capacitor Electrodes with Time-Resolved SAXS and Thickness Measurements
Yoshikiyo Hatakeyama, Soshi Shiraishi
2024ECS Meeting Abstracts0 citations
Semantic Scholar
Correlation of Capacitor and Air-Battery Performance with Three-Dimensional Structure of Porous Carbon Electrode
S. Shiraishi, Yoshikiyo Hatakeyama
2023Denki Kagaku0 citations Open access
Semantic Scholar
Title: Nitrogen-doped Seamless Activated Carbon Electrode with Excellent Durability for Electric Double Layer Capacitor
Yoshikiyo Hatakeyama, S. Shiraishi, Hidehiko, Tsukada +2 more
20210 citations
Semantic Scholar
A high-energy density hybrid capacitor derived from a graphite-oxide lithium primary battery
Izuru Shimabukuro, Noriaki Katagiri, Yoshikiyo Hatakeyama, S. Shiraishi
2021TANSO0 citations
Semantic Scholar
Electrode Carbon Material for Electric Double Layer Capacitors
S. Shiraishi, Yoshikiyo Hatakeyama
2019Vacuum and Surface Science0 citations Open access
Semantic Scholar

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K. Nishikawa×19
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K. Nishikawa — researcher profile on SciRah
S. Shiraishi×13
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S. Shiraishi — researcher profile on SciRah
K. Judai×9
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K. Judai — researcher profile on SciRah
Takeshi Morita×8
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M. Tabata — researcher profile on SciRah

Katsuya Fukuyama×5

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Katsuya Fukuyama — researcher profile on SciRah

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Izuru Shimabukuro×5

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S. Takahashi×4

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S. Takahashi — researcher profile on SciRah

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I. Adachi — researcher profile on SciRah

Keiichiro Onishi×3

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Keiichiro Onishi — researcher profile on SciRah

Hidehiko Tsukada×3

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Hidehiko Tsukada — researcher profile on SciRah