Satoshi Akamaru

Research output

Research output per year 1998 2006 2007 2008 2011 2012 2013 2014 2019 2020 2023 2024 2024

• 50 Article
• 13 Presentation
• 3 Conference article
• 1 Review article

Research output per year

Research output per year

Search results

• 2024

  Combining muon spin relaxation and DFT simulations of hydrogen trapping in Al₆Mn

  Shimizu, K., Nishimura, K., Matsuda, K., Akamaru, S., Nunomura, N., Namiki, T., Tsuchiya, T., Lee, S., Higemoto, W., Tsuru, T. & Toda, H., 2024/05/01, In: Scripta Materialia. 245, 116051.

  Research output: Contribution to journal › Article › peer-review

  • Density Functional Calculations 100%
  • Muon Spin Relaxation 100%
  • Hydrogen Trapping 100%
  • Spin Density 100%
  • Muon 100%
  1 Scopus citations

• Fe/Ｖ多層膜の電気抵抗に対するＶ膜水素化の影響

  赤丸悟士 & 三宅恭右, 2024.

  Research output: Contribution to conference › Presentation

• Novel approach to explore hydrogen trapping sites in aluminum: Integrating Muon spin relaxation with first-principles calculations

  Shimizu, K., Nishimura, K., Matsuda, K., Nunomura, N., Namiki, T., Tsuchiya, T., Akamaru, S., Lee, S., Tsuru, T., Higemoto, W. & Toda, H., 2024/12/18, In: International Journal of Hydrogen Energy. 95, p. 292-299 8 p.

  Research output: Contribution to journal › Article › peer-review

  • First Principle 100%
  • Muon 100%
  • Spin Relaxation 100%
  • Aluminum 100%
  • Aluminum Alloy 33%
• 2023

  HYDROGEN TRAPPING SITES OF AL6MN VIA MUON SPIN RELAXATION METHOD

  Nishimura, K., Matsuda, K., Nunomura, N., Namiki, T., Taiki, Tsuchiyai, Akamaru, S., Higemoto, W., Tsuru, T., Shimizu, K. & Toda, H., 2023.

  Research output: Contribution to conference › Presentation

• Influence of tritium distribution in aluminum and iron for shape of the beta-ray induced X-ray spectrum

  Hara, M., Fujimoto, Y., Akamaru, S., Aso, T. & Röllig, M., 2023/11, In: Fusion Engineering and Design. 196, 114009.

  Research output: Contribution to journal › Article › peer-review

  • Tritium 100%
  • X-ray Spectra 100%
  • Beta Rays 100%
  • Tritium Distribution 100%
  • Aluminum 100%

• Magnetoresistance in Pd-Co/Cu/Pd-Co trilayer under hydrogen-nitrogen gas mixture

  Akamaru, S., Godo, N. & Koshimoto, S., 2023/09/01, In: AIP Advances. 13, 9, 095119.

  Research output: Contribution to journal › Article › peer-review

  Open Access

  • Magnetoresistance 100%
  • CoCu 100%
  • Gas Mixture 100%
  • Pd-Co 100%
  • CuPd 100%
  1 Scopus citations

• Shape changes of beta-ray induced X-ray spectrum by tritium in aluminium and iron with tritium depth.

  Hara, M., Fujimoto, Y., Akamaru, S., Aso, T. & Roellig, M., 2023.

  Research output: Contribution to conference › Presentation

• 固体中トリチウムの深さ方向へのベータ線誘起X線スペクトルの応答性のモンテカルロシミュレーションによる評価

  原　正憲, 赤丸　悟士, 藤本　裕也 & 阿蘇　司, 2023.

  Research output: Contribution to conference › Presentation

• 水素-窒素混合ガス雰囲気下でのFe/V多層膜の磁気抵抗

  三宅 恭右 & 赤丸 悟士, 2023.

  Research output: Contribution to conference › Presentation
• 2022

  Anomalous Hall effect of PdCo alloy thin films to detect low hydrogen concentration in air

  Akamaru, S., Yamamoto, H. & Hara, M., 2022/02/05, In: International Journal of Hydrogen Energy. 47, 11, p. 7491-7498 8 p.

  Research output: Contribution to journal › Article › peer-review

  Open Access

  • PdCo Alloy 100%
  • Hydrogen Concentration 100%
  • Pd-Co 100%
  • Anomalous Hall Effect 100%
  • Alloy Thin Films 100%
  4 Citations (SciVal)

• PdCo/Cu/PdCo薄膜の水素混合気体中での磁気抵抗

  赤丸 悟士, 神門 直樹 & 越元 咲江, 2022.

  Research output: Contribution to conference › Presentation
• 2021

  Muon spin relaxation experiments for Al-Mg and Al-Cu alloys

  Nishimura, K., Matsuda, K., Nunomura, N., Namiki, T., Lee, S., Akamaru, S., Higemoto, W., Matsuzaki, T. & Watanabe, I., 2021.

  Research output: Contribution to conference › Presentation
• 2020

  Applicability of a 100-mL Polyethylene Vial for Low-Level Tritium Measurement Using a Low-Background Liquid Scintillation Counter

  Oshimi, Y., Ohki, M., Nagano, M., Yasumatsu, T., Hara, M., Akamaru, S., Nakayama, M. & Shoji, M., 2020/05/18, In: Fusion Science and Technology. 76, 4, p. 583-588 6 p.

  Research output: Contribution to journal › Article › peer-review

  • Polyethylene 100%
  • Liquid Scintillation Counter 100%
  • Tritium Measurement 100%
  • Low Background 100%
  • Applicability 100%
  2 Scopus citations

• Development of Tritium Tracer Doped Liquid Fuel Target for Inertial Confinement Fusion at the Gekko XII-LFEX Facility

  Arikawa, Y., Iwasa, Y., Yamanoi, K., Iwano, K., Fujioka, S., Iwamoto, A., Nakai, M., Hatano, Y., Hara, M., Akamaru, S., Norimatsu, T. & Kodama, R., 2020/05/18, In: Fusion Science and Technology. 76, 4, p. 464-470 7 p.

  Research output: Contribution to journal › Article › peer-review

  • Liquid Fuel 100%
  • Tritium 100%
  • Inertial Confinement Fusion 100%
  • Gekko Gecko 100%
  • Liquid Fuels 100%
  3 Scopus citations

• Pd/PdCo及びCu/PdCo薄膜の異常ホール効果と水素応答

  山本晴也 & 赤丸悟士, 2020.

  Research output: Contribution to conference › Presentation

• 強磁性Pd基合金薄膜のホール効果と水素検出素子への応用

  赤丸悟士 & 山本晴也, 2020.

  Research output: Contribution to conference › Presentation
• 2019

  Hydrogenation effect on magnetic properties of Pd–Co alloys

  Akamaru, S., Kimura, A., Hara, M., Nishimura, K. & Abe, T., 2019/08/15, In: Journal of Magnetism and Magnetic Materials. 484, p. 8-13 6 p.

  Research output: Contribution to journal › Article › peer-review

  • Hydrogenation 100%
  • Magnetic Properties 100%
  • PdCo Alloy 100%
  • Hydrogen 100%
  • Magnetic Property 100%
  16 Scopus citations

• PdCo薄膜の異常ホール効果とその水素応答

  赤丸悟士, 山本晴也, 鈴木佑弥 & 原正憲, 2019.

  Research output: Contribution to conference › Presentation

• 水素チャージしたAl-0.2%Cu合金のミュオンスピン緩和測定

  西村克彦, 松田健二, 並木孝洋, 李昇原, 赤丸悟士, 髭本亘, 三宅康博, 戸田裕之 & 清水一行, 2019.

  Research output: Contribution to conference › Presentation
• 2018

  PdCo合金へのAgまたはFe添加による時期特性の水素反応

  山本晴也, 鈴木佑弥, 赤丸悟士 & 原正憲, 2018.

  Research output: Contribution to conference › Presentation

• PdCo合金薄膜の水素吸収/放出時の電気抵抗変化に及ぼす磁場の影響

  鈴木佑弥, 山本晴也, 赤丸悟士 & 原正憲, 2018.

  Research output: Contribution to conference › Presentation
• 2017

  Hydrogen sensing ability of Cu particles coated with ferromagnetic Pd–Co layer

  Akamaru, S., Jin, L., Nishimura, K., Hara, M., Abe, T. & Matsuyama, M., 2017/06/22, In: International Journal of Hydrogen Energy. 42, 25, p. 16305-16312 8 p.

  Research output: Contribution to journal › Article › peer-review

  • Sensing Ability 100%
  • Cu Particles 100%
  • Pd-Co 100%
  • Hydrogen Sensing 100%
  • Sensing Element 100%
  6 Scopus citations
• 2015

  Sensing hydrogen in the gas phase using ferromagnetic Pd-Co films

  Akamaru, S., Matsumoto, T., Murai, M., Nishimura, K., Hara, M. & Matsuyama, M., 2015/08/11, In: Journal of Alloys and Compounds. 645, S1, p. S213-S216 33097.

  Research output: Contribution to journal › Article › peer-review

  • Gas Phase 100%
  • Hydrogen Concentration 100%
  • Pd Film 100%
  • Induced Voltage 100%
  • Gas-Phase 100%
  15 Scopus citations
• 2014

  Alloying effects on the hydrogen-storage capability of Pd-TM-H (TM = Cu, Au, Pt, Ir) systems

  Akamaru, S., Hara, M. & Matsuyama, M., 2014/11/25, In: Journal of Alloys and Compounds. 614, p. 238-243 6 p.

  Research output: Contribution to journal › Article › peer-review

  • Magnetic Susceptibility 100%
  • CuAu 100%
  • Alloying Effect 100%
  • AuPt 100%
  • Hydrogen Storage Capability 100%
  20 Scopus citations

• Density functional theory analysis of methanation reaction of CO ₂ on Ru nanoparticle supported on TiO₂ (1 0 1)

  Akamaru, S., Shimazaki, T., Kubo, M. & Abe, T., 2014/01/30, In: Applied Catalysis A: General. 470, p. 405-411 7 p.

  Research output: Contribution to journal › Article › peer-review

  • Rutile 100%
  • CO 2 100%
  • Ru Nanoparticles 100%
  • Methanation Reaction 100%
  • Density Functional Theory Analysis 100%
  75 Scopus citations

• Surface morphology and deuterium retention in tungsten and tungsten-rhenium alloy exposed to low-energy, high flux D plasma

  Alimov, V. K., Hatano, Y., Sugiyama, K., Balden, M., Oyaidzu, M., Akamaru, S., Tada, K., Kurishita, H., Hayashi, T. & Matsuyama, M., 2014/08/19, In: Journal of Nuclear Materials. 454, 1-3, p. 136-141 6 p.

  Research output: Contribution to journal › Article › peer-review

  Open Access

  • Low Energy 100%
  • Deuterium Retention 100%
  • Surface Morphology 100%
  • D Plasma 100%
  • High Heat Flux 100%
  31 Scopus citations

• Tritium retention properties of tungsten, graphite and co-deposited carbon film

  Nobuta, Y., Hatano, Y., Matsuyama, M., Abe, S., Akamaru, S., Yamauchi, Y., Hino, T., Suzuki, S. & Akiba, M., 2014/10, In: Fusion Engineering and Design. 89, 7-8, p. 1516-1519 4 p.

  Research output: Contribution to journal › Article › peer-review

  • Tungsten 100%
  • Tritium 100%
  • Tritium Retention 100%
  • Co-deposits 100%
  • Retention Properties 100%
  9 Scopus citations
• 2013

  Effect of substituting elements on hydrogen uptake for Pd-Rh-H and Pd-Ag-H systems evaluated by magnetic susceptibility measurement

  Akamaru, S., Hara, M., Nunomura, N. & Matsuyama, M., 2013/06/18, In: International Journal of Hydrogen Energy. 38, 18, p. 7569-7575 7 p.

  Research output: Contribution to journal › Article › peer-review

  • Magnetic Susceptibility 100%
  • Magnetic Susceptibility Measurement 100%
  • PdAg 100%
  • H-systems 100%
  • Hydrogen Uptake 100%
  7 Scopus citations

• Effects of metal (ag, sn and zn) nanoparticles inserted into mgb ₂ grain boundaries on transport and superconducting properties

  Akamaru, S., Ishikawa, F., Nishimura, K., Abe, T. & Matsuyama, M., 2013, In: Materials Transactions. 54, 12, p. 2258-2264 7 p.

  Research output: Contribution to journal › Article › peer-review

  Open Access

  • Grain Boundary 100%
  • Transport Properties 100%
  • Superconducting Properties 100%
  • MgB2 100%
  • Ag Nanoparticles (AgNPs) 100%
  6 Scopus citations

• Evaluation of terminal composition of palladium-silver hydrides in plateau region by electronic structure calculations

  Hara, M., Fujinami, H., Akamaru, S., Nunomura, N., Watanabe, K., Nishimura, K. & Matsuyama, M., 2013, In: Journal of Alloys and Compounds. 580, SUPPL1, p. S202-S206

  Research output: Contribution to journal › Article › peer-review

  • Hydrides 100%
  • Plateau Region 100%
  • Electronic Structure Calculations 100%
  • Palladium-silver 100%
  • Structure Calculation 100%
  4 Scopus citations

• Inverse isotope effect of ZrMn_x (x=1.9 or 2.0)-Q₂ (Q=H or D) system

  Hara, M., Yamamoto, T., Nishimura, K., Akamaru, S., Watanabe, K. & Matsuyama, M., 2013/08, In: Journal of Physics and Chemistry of Solids. 74, 8, p. 1174-1178 5 p.

  Research output: Contribution to journal › Article › peer-review

  • Increasing Temperature 100%
  • Hydrogen Absorption 100%
  • Composition Curve 100%
  • Hydrogen Isotopes 100%
  • Inverse Isotope Effect 100%
  2 Scopus citations

• Magnetic susceptibility of the Pd-Co-H system

  Akamaru, S., Matsumoto, T., Hara, M., Nishimura, K., Nunomura, N. & Matsuyama, M., 2013, In: Journal of Alloys and Compounds. 580, SUPPL1, p. S102-S104

  Research output: Contribution to journal › Article › peer-review

  • Magnetic Susceptibility 100%
  • Pd-Co 100%
  • H-systems 100%
  • Hydrogen Uptake 50%
  • Ambient Temperature 25%
  26 Scopus citations

• Study on kinetics of hydrogen dissolution and hydrogen solubility in oxides using imaging plate technique

  Hashizume, K., Ogata, K., Nishikawa, M., Tanabe, T., Abe, S., Akamaru, S. & Hatano, Y., 2013, In: Journal of Nuclear Materials. 442, 1-3 SUPPL.1, p. S880-S884

  Research output: Contribution to journal › Article › peer-review

  Open Access

  • Oxides 100%
  • Imaging Plate 100%
  • Hydrogen Solubility 100%
  • Hydrogen Dissolution 100%
  • Tritium 100%
  15 Scopus citations
• 2012

  Development of a polygonal barrel-plasma enhanced chemical vapor deposition method for preparing powdered materials with a diamond-like carbon film

  Honda, Y., Akamaru, S., Inoue, M. & Abe, T., 2012/10/05, In: Chemical Engineering Journal. 209, p. 616-622 7 p.

  Research output: Contribution to journal › Article › peer-review

  • Chemical Vapor Deposition Method 100%
  • Powder Materials 100%
  • Diamond-like 100%
  • Carbon Film 100%
  • Plasma-enhanced Chemical Vapor Deposition (PECVD) 100%
  6 Scopus citations

• In situ measurement of alternating current magnetic susceptibility of Pd-hydrogen system for determination of hydrogen concentration in bulk

  Akamaru, S., Hara, M. & Matsuyama, M., 2012/07, In: Review of Scientific Instruments. 83, 7, 075102.

  Research output: Contribution to journal › Review article › peer-review

  • Magnetic Susceptibility 100%
  • In Situ Measurements 100%
  • Hydrogen System 100%
  • Hydrogen Concentration 100%
  • Alternating Current 100%
  10 Scopus citations

• Preparation of Ni nanoparticles on submicron-sized Al ₂O ₃ powdery substrate by polyhedral-barrel-sputtering technique and their magnetic properties

  Akamaru, S., Inoue, M., Honda, Y., Taguchi, A. & Abe, T., 2012/06, In: Japanese Journal of Applied Physics. 51, 6 PART 1, 065201.

  Research output: Contribution to journal › Article › peer-review

  • Aluminum Oxide 100%
  • Magnetic Properties 100%
  • Sputtering Method 100%
  • Ni Nanoparticles 100%
  • Polyhedral 100%
  8 Scopus citations

• Transfer of tritium in concrete coated with hydrophobic paints

  Fukada, S., Edao, Y., Sato, K., Takeishi, T., Katayama, K., Kobayashi, K., Hayashi, T., Yamanishi, T., Hatano, Y., Taguchi, A. & Akamaru, S., 2012/01, In: Fusion Engineering and Design. 87, 1, p. 54-60 7 p.

  Research output: Contribution to journal › Article › peer-review

  • Tritium 100%
  • Concrete Wall 100%
  • Hydrophobic Paint 100%
  • Silicon 100%
  • Acrylic 75%
  5 Scopus citations

• Tritium absorption of co-deposited carbon films

  Nobuta, Y., Yamauchi, Y., Hino, T., Akamaru, S., Hatano, Y., Matsuyama, M., Suzuki, S. & Akiba, M., 2012/08, In: Fusion Engineering and Design. 87, 7-8, p. 1070-1073 4 p.

  Research output: Contribution to journal › Article › peer-review

  • Tritium 100%
  • Co-deposits 100%
  • Deposited Carbon 100%
  • Carbon Film 100%
  • Carbon Films 100%
  2 Scopus citations
• 2011

  Trapping and depth profile of tritium in surface layers of metallic materials

  Matsuyama, M., Chen, Z., Nisimura, K., Akamaru, S., Torikai, Y., Hatano, Y., Ashikawa, N., Oya, Y., Okuno, K. & Hino, T., 2011/10/01, In: Journal of Nuclear Materials. 417, 1-3, p. 900-903 4 p.

  Research output: Contribution to journal › Article › peer-review

  • Tritium 100%
  • Surface Layer 100%
  • Metallic Materials 100%
  • Depth Profile 100%
  • Blood Plasma 100%
  5 Scopus citations

• Tritium absorption of co-deposited carbon films, graphite and polycrystalline tungsten

  Nobuta, Y., Yamauchi, Y., Hino, T., Akamaru, S., Hatano, Y., Matsuyama, M., Suzuki, S. & Akiba, M., 2011/11, In: Fusion Science and Technology. 60, 4, p. 1535-1538 4 p.

  Research output: Contribution to journal › Article › peer-review

  • Tritium 100%
  • Co-deposits 100%
  • Graphite 100%
  • Deposited Carbon 100%
  • Polycrystalline Tungsten 100%
  1 Scopus citations

• Tritium transfer in porous concrete materials coated with hydrophobic paints

  Fukada, S., Edao, Y., Sato, K., Takeishi, T., Katayama, K., Kobayashi, K., Hayashi, T., Yamanishi, T., Hatano, Y., Taguchi, A. & Akamaru, S., 2011/10, In: Fusion Science and Technology. 60, 3, p. 1061-1064 4 p.

  Research output: Contribution to journal › Article › peer-review

  • Tritium 100%
  • Hydrophobic Paint 100%
  • Porous Concrete 100%
  • Concrete Materials 100%
  • Concrete (Composite Building Material) 100%
  3 Scopus citations
• 2009

  CO oxidation on non-alloyed Pt and Ru electrocatalysts prepared by the polygonal barrel-sputtering method

  Inoue, M., Nishimura, T., Akamaru, S., Taguchi, A., Umeda, M. & Abe, T., 2009/08/30, In: Electrochimica Acta. 54, 21, p. 4764-4771 8 p.

  Research output: Contribution to journal › Article › peer-review

  • Polygonal Barrel-sputtering Method 100%
  • Electrocatalyst 100%
  • CO Oxidation 100%
  • Oxidation Reaction 100%
  • Electrocatalysts 100%
  21 Scopus citations

• Hydrogen-induced magnetic and structural transformations of GdCu

  Hara, M., Hatakeyama, N., Akamaru, S., Watanabe, K., Nishimura, K., Mori, K. & Matsuyama, M., 2009/03, In: Journal of Magnetism and Magnetic Materials. 321, 5, p. 423-428 6 p.

  Research output: Contribution to journal › Article › peer-review

  • Hydrogenation 100%
  • Magnetization 100%
  • Ambient Temperature 100%
  • Structural Transformation 100%
  • Magnetic Transformation 100%
  5 Scopus citations
• 2008

  Physical and electrochemical properties of Pt-Ru/C samples prepared on various carbon supports by using the barrel sputtering system

  Inoue, M., Akamaru, S., Taguchi, A. & Abe, T., 2008/10/15, In: Vacuum. 83, 3, p. 658-663 6 p.

  Research output: Contribution to journal › Article › peer-review

  • Physical Properties 100%
  • Sputtering System 100%
  • Electrochemical Properties 100%
  • Carbon Support 100%
  • PtRu 100%
  19 Scopus citations

• Preparation and physical and electrochemical properties of carbon-supported Pt-Ru (Pt-Ru/C) samples using the polygonal barrel-sputtering method

  Inoue, M., Shingen, H., Kitami, T., Akamaru, S., Taguchi, A., Kawamoto, Y., Tada, A., Ohtawa, K., Ohba, K., Matsuyama, M., Watanabe, K., Tsubone, I. & Abe, T., 2008/02/07, In: Journal of Physical Chemistry C. 112, 5, p. 1479-1492 14 p.

  Research output: Contribution to journal › Article › peer-review

  • Polygonal Barrel-sputtering Method 100%
  • Physical Properties 100%
  • Electrochemical Properties 100%
  • Carbon Supported Pt 100%
  • PtRu 100%
  41 Scopus citations

• Surface coating of microparticles with tungsten carbide by using the barrel sputtering system

  Akamaru, S., Yamamoto, H. & Abe, T., 2008/10/15, In: Vacuum. 83, 3, p. 633-636 4 p.

  Research output: Contribution to journal › Article › peer-review

  • Microparticles 100%
  • Tungsten Carbide 100%
  • Sputtering System 100%
  • Surface Coating 100%
  • Tungsten 100%
  12 Scopus citations

• Surface coating on aluminum flakes with titanium nitride layer by barrel-sputtering techniques

  Akamaru, S., Honda, Y., Taguchi, A. & Abe, T., 2008/07, In: Materials Transactions. 49, 7, p. 1638-1643 6 p.

  Research output: Contribution to journal › Article › peer-review

  Open Access

  • Sputtering Method 100%
  • Surface Coating 100%
  • Titanium Nitride 100%
  • Aluminum Flake 100%
  • Nitrided Layer 100%
  8 Scopus citations

• Thermodynamic and magnetic properties of GdPd hydride

  Hara, M., Nakazawa, T., Akamaru, S., Watanabe, K., Nishimura, K., Mori, K. & Matsuyama, M., 2008/06, In: Materials Transactions. 49, 6, p. 1428-1433 6 p.

  Research output: Contribution to journal › Article › peer-review

  Open Access

  • Magnetic Properties 100%
  • Hydrides 100%
  • Thermodynamic Properties 100%
  • Magnetic Property 100%
  • Hydrogen 66%
  3 Scopus citations
• 2007

  Homogeneous surface coating of bolts, nuts, and screws by barrel-sputtering technique

  Taguchi, A., Kitami, T., Akamaru, S. & Abe, T., 2007/10/15, In: Surface and Coatings Technology. 201, 24, p. 9512-9517 6 p.

  Research output: Contribution to journal › Article › peer-review

  • Sputtering Method 100%
  • Surface Coating 100%
  • Screw 100%
  • Au Film 100%
  • Homogeneous Surface 100%
  3 Scopus citations

• Surface coating of small SiO₂ particles with a WO₃ thin film by barrel-sputtering method

  Abe, T., Hamatani, H., Higashide, S., Hara, M. & Akamaru, S., 2007/08/30, In: Journal of Alloys and Compounds. 441, 1-2, p. 157-161 5 p.

  Research output: Contribution to journal › Article › peer-review

  • Sputtering Method 100%
  • Surface Coating 100%
  • WO3 Films 100%
  • WO3 Thin Films 100%
  • SiO2 Particles 100%
  15 Scopus citations