ナノ構造情報のフロンティア開拓 - 材料科学の新展開

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主要発表論文
A01（ウ）計画研究

A01（ウ）計画研究 ナノ電子状態解析のフロンティア開拓

  • J. Rusz, J. Spiegelberg, S. Muto, T. Thersleff, M. Ohtsuka, K. Leifer, P. M. Oppeneer, Localization of magnetic circular dichroic spectra in transmission electron microscopy experiments with atomic plane resolution. Physical Review B 95, 174412 (2017).
  • J. Spiegelberg, S. Muto, M. Ohtsuka, K. Pelckmans, J. Rusz, Unmixing hyperspectral data by using signal subspace sampling. Ultramicroscopy 182, 205-211 (2017).
  • M. Hashimoto, S. Kitaoka, Y. Obata, S. Muto, T. Ogawa, M. Furuya, H. Kanetaka, Control of Hap Formation and Osteoconductivity on Nitrogen-Doped TiO2 Scale Formed by Oxynitridation of Ti. Key Engineering Materials 758, 86-89 (2017)
  • S. Muto, M. Ohtsuka, High-precision Quantitative atomic-site-analysis of functional dopants in crystalline materials by electron-channelling-enhanced microanalysis. Progress in Crystal Growth and Characterization of Materials 63, 40-61 (2017)
  • D. Savchenko, A. Vasin, S. Muto, E. Kalabukhova, A. Nazarov, EPR Study of Porous Si:C and SiO2:C Layers. Phys. Status Solidi B 2018, 1700559, 1-6 (2018).
  • Y. Takahashi, I. Ashida, S. Arai, K. Higuchi, Y. Yamamoto, S. Muto, Interfacial fracture strength evaluation of Cu/SiN micro-components: applicability of the linear fracture mechanics criterion under a hydrogen environment. International Journal of Fracture 210, 223-231(2018).
  • 武藤 俊介, J. Rusz, ナノ電子プローブによる磁気カイラル二色性（EMCD）測定. 顕微鏡 52, 82-89 (2017)
  • N. Morisaki, H. Yoshida, T. Kobayashi, T. Tokunaga , T. Yamamoto, Intergranular amorphous films formed by DC electric field in pure zirconia. Journal of the American Ceramic Society 印刷中（2018）
  • H. Yoshida、K. Morita、BN. Kim、K. Soga 、 T. Yamamoto, Production of transparent yttrium oxide ceramics by the combination of low temperature spark plasma sintering and zinc cation-doping. Journal of the European Ceramic Society 38, 1972-1980 (2018).
  • Kobayashi Shunsuke、Inoue Kazutoshi、Kato Takeharu、Ikuhara Yuichi、 T. Yamamoto, Multiphase nanodomains in a strained BaTiO3 film on a GdScO3 substrate. Journal of Applied Physics 123, 064102-064102 (2018)
  • 吉田 英弘, 山本 剛久, フラッシュ焼結法によるセラミックス製造の現状と展望. 粉体および粉末冶金 64, 523-531 (2017)
  • M. Hashimoto, S. Kitaoka, S. Muto, K. Tatsumi and Y. Obata, The microstructure of scale formed by oxynitriding of Ti and exhibiting significant apatite-forming ability. Journal of Materials Research 31, 1004-1011 (2016).
  • C. Takahashi, S. Muto, H. Yamamoto, A microscopy method for scanning transmission electron microscopy imaging of the antibacterial activity of polymeric nanoparticles on a biofilm with an ionic liquid. Journal of Biomedical Materials Research Part B: Applied Biomaterials 105B, 1432-1437 (2017).
  • M. Shiga, K. Tatsumi, S. Muto, K.Tsuda, Y. Yamamoto, T. Mori, T. Tanji, Sparse modeling of EELS and EDX spectral imaging data by nonnegative matrix factorization. Ultramicroscopy 170, 43-59 (2016).
  • H. Inoue, S. Muto, X. Deng, S. Arai, N. Umehara, Structure analysis of topmost Layer of CNx after repeated sliding using scanning transmission electron microscopy electron energy-loss spectroscopy. Thin Solid Films 616, 134-140 (2016).
  • Y. Takahashi, K. Aihara, I. Ashida, K. Higuchi, Y. Yamamoto, S. Arai, S. Muto, N. Tanaka, Evaluation of interfacial fracture strength in micro-components with different free-edge shape. Mechanical Engineering Journal 3, 1-10 (2016).
  • I. Maruyama, S. Muto, Change in Relative Density of Natural Rock Minerals Due to Electron Irradiation. Journal of Advanced Concrete Technology 14, 706-716 (2016).
  • M. Shiga, S. Muto, K. Tatsumi, K. Tsuda, Matrix Factorization for Automatic Chemical Mapping from Electron Microscopic Spectral Imaging Datasets. Transactions of the Materials Research Society of Japan 41, 333-336 (2016).
  • J. Rusz, S. Muto, J. Spiegelberg, R. Adam, K. Tatumi, D. E. Burgler, P. M. Oppeneer, C. M. Schneider, Magnetic measurements with atomic-plane resolution. Nature Communications 7, 12672 (2016).
  • H. Inoue, S. Muto, S. Arai, H. Wasada, N. Umehara, Microscopic origin of ultra-low friction coefficient between the wear track formed on carbon nitride coating and transfer layer on sliding ball in friction tests under dry N2. Surface & Coating Technology 313, 31-39 (2017)
  • F. Gualandris, S. B. Simonsen, J. B. Wagner, S. Sanna, S. Muto, L. Theil Kuhn, In situ TEM analysis of a symmetric solid oxide cell in oxygen and vacuum-cation diffusion observations. ECS Transactions 75, 123-133 (2017)
  • S. Muto, K. Tatsumi, Detection of local chemical states of lithium and their spatial mapping by scanning transmission electron microscopy, electron energy-loss spectroscopy and hyperspectral image analysis. Microscopy 66, 39-49 (2017)
  • S. Muto, M. Ohtsuka, High-precision Quantitative atomic-site-analysis of functional dopants in crystalline materials by electron-channelling-enhanced microanalysis. Progress in Crystal Growth and Characterization of Materials 63, 40-61 (2017)
  • T. Thersleff, S. Muto, M. Werwinski, J. Spiegelberg, Y. Kvashnin, B. Hjorvarsson, O. Eriksson, J. Rusz, K. Leifer, Towards sub-nanometer real-space observation of spin and orbital magnetism at the Fe/MgO interface. Scientific Reports 7, 44802 (2017)
  • S. Okada, S. Kobayashi, K. Ohashi, N. Nishikawa, T. Tokunaga, K. Sasaki, T. Yamamoto, Direct observation of B-site ordering in LSAT: (La0.3Sr0.7)(Al0.65Ta0.35)O3 single crystal. Appl. Phys. Lett. 108, 251905 (2016).
  • N. Morisaki, H. Yoshida, K. Matsui, T. Tokunaga, K. Sasaki, T. Yamamoto, Synthesis of zirconium oxynitride in air under DC electric fields. Appl. Phys. Lett. 109, 83104 (2016).
  • H. Yoshida, K. Morita, BN. Kim, Y. Sakka, T. Yamamoto, Reduction in sintering temperature for flash-sintering of yttria by nickel cation-doping. Acta Materialia 106, 344-352 (2016).
  • Y. Hayashi, T. Tokunaga, K. Sasaki, T. Yamamoto, Directly determining the polarity of WC grains in WC-12wt%Co alloy by ABF-STEM, Inter. J. Refract. Met. Hard Mater. 62, 9-13 (2017)
  • Y. Nakagawa, H. Yoshida, A. Uehashi, T. Tokunaga, K. Sasaki, T. Yamamoto, Electric-current-controlled synthesis of BaTiO3. J. Amer. Ceram. Soc. Accepted, 100, 3843-3850 (2017)
  • 荒井 重勇，高橋 可昌，網野 岳文，吉田 要，山本 悠太，樋口 公孝，山本 剛久， 武藤 俊介, 反応科学超高圧電子顕微鏡を用いたガス環境その場観察. 金属 86, 17-22 (2016).
  • 武藤 俊介，志賀 元紀, スペクトルイメージデータ解析への統計・情報処理. 表面科学 37, 610-615 (2016).
  • 武藤 俊介, 透過電子顕微鏡法の最新技術動向と将来展望（電子分光）. まてりあ 56, 249-253 (2017)
  • 小林 俊介　幾原 雄一　山本 剛久　大西　剛　柴田直哉, SrTiO3 薄膜における高電子移動度を導くSr 空孔クラスターの歪み場解析. まてりあ 55, 613 (2016).
  • Y. Honda, S. Muto, K. Tatsumi, H. Kondo, K.Horibuchi, T. Kobayashi, T. Sasaki, Microscopic mechanism of path-dependence on charge-discharge history in lithium iron phosphate cathode analysis using scanning spectroscopy spectral imaging. Journal of Power Sources 291, 85-94 (2015).
  • Y. Takahashi, S. Arai, Y. Yamamoto, K. Higuchi, H. Kondo, Y. Kitagawa, S. Muto, N.Tanaka, Evalution of Interfacial Fracture Strength in Micro-Scale Components Combined with High-Voltage Environmental Electron Microscopy. Experimental Mechanics 55, 1047-1056 (2015).
  • Y. Takahashi, H. Kondo, K. Aihara, M. Takuma, K. Saitoh, S. Arai, S. Muto, Y. Yamamoto, K. Higuchi, N. Tanaka. Interfacial fracture strength of micro-scale Si/Cu components with different free-edge shape 665, 169-172 (2016).
  • J. Senga, K. Tatsumi, S. Muto, T. Yoshida, Effects of nitrogen-related defects on visible light photocatalytic response in　N+ implanted TiO2: A first-principles study. Journal of Applied Physics 118, 115702 (2015).
  • M. Ohtsuka, S. Muto, K. Tatsumi, Y. Kobayashi, T. Kawata, Quantitative determination of occupation sites trace CO substituted for multiple Fe sites in M-type hexagonal ferrite using statistical beam-rocking TEM-EDXS analysis. Microscopy 65, 127-137 (2016).
  • Y. Yamamoto, Y. Iriyama, S. Muto, Union operation image processing of data cubes separately processed by different objective filters and its application to void analysis in an all-solid-state lithium-ion battery. Microscopy 65, 191-198 (2016).
  • M. Hashimoto, S. Kitaoka, S. Muto, K. Kazuyoshi, Y. Obata, The microstructure of scale formed by oxynitriding of Ti and exhibiting significant apatite-forming ability. Journal of Materials Research 31, 1004-1011 (2016).
  • Y. Yamamoto, K. Kataoka, J. Akimoto, K. Tatsumi, T. Kousaka, J. Ohnishi, T. Takahashi, S. Muto, Quantitative analysis of cation mixing and local valence states in LiNixMn2-xO4 using concurrent HARECXS and HARECES measurements. Microscopy 65, 253-262 (2016).
  • Y. Takahashi, H. Kondo, R. Asano, S. Arai, K. Higuchi, Y. Yamamoto, S. Muto, N. Tanaka, Direct evaluation of grain boundary hydrogen embrittlement: a micro-mechanical approach. Materials Science & Engineering A 661, 211-216 (2016).
  • G. Shimura, K. Niwa, Y. Shirako, S. Muto, K. Kusaba, M. Hasegawa, Multicomponent A-site Ordered Perovskite BiMn3(Fe0.25Ti0.75)4O12: High-Pressure Synthesis, Crystal Chemistry and Magnetic Behavior. Solid State Communications 234, 40-44 (2016).
  • S. Kobayashi, Y. Mizumukai, T. Ohnishi, N. Shibata, Y. Ikuhara and T. Yamamoto, High Electron Mobility of Nb-Doped SrTiO3 Films Stemming from Rod-Type Sr Vacancy Clusters. ACS Nano 9, 10769-10777, (2015).
  • H. Yoshida, K. Morita, BN. Kim, Y. Sakka, T. Yamamoto, Reduction in sintering temperature for flash-sintering of yttria by nickel cation-doping. ACTA MATERIALIA 106, 344-352 (2016).
  • I. Sugiyama, Y. Mizumukai, T. Taniuchi, K. Okada, F. Shirase, T. Tanase, Y. Ikuhara, T. Yamamoto, Carbon content dependence of grain growth mode in VC-doped WC-Co hardmetals. INTERNATIONAL JOURNAL OF REFRACTORY METALS & HARD MATERIALS 52, 245-251 (2015).
  • SY. Choi, SD. Kim, M. Choi, HS. Lee, J. Ryu, N. Shibata, T. Mizoguchi, E. Tochigi, T. Yamamoto, SJL. Kang, Y. Ikuhara, Assessment of Strain-Generated Oxygen Vacancies Using SrTiO3 Bicrystals. NANO LETTERS 15, 4129-4134 (2015).
  • A. Uehashi, H. Yoshida, T. Tokunaga, K. Sasaki, T. Yamamoto, Enhancement of sintering rates in BaTiO3 by controlling of DC electric current. JOURNAL OF THE CERAMIC SOCIETY OF JAPAN 123, 465-468 (2015).
  • I. Sugiyama, Y. Kim, S. Jesse, E. Strelcov, A. Kumar, A. Tselev, E.K. Rahani, V.B. Shenoy, T. Yamamoto, N. Shibata, Y. Ikuhara, S.V. Kalinin, Patially-resolved mapping of history-dependent coupled electrochemical and electronical behaviors of electroresistive NiO. Scientific Reports 4, 6725 (2014).
  • H. Yoshida, Y. Sakka, T. Yamamoto, J.M. Lebrun, R. Raj, Densification behaviour and microstructural development in undoped yttria prepared by flash-sintering. Journal of the European Ceramic Society 34, 991-1000 (2014).
  • Y. Kotaka, T. Yamazaki, M. Ohtsuka, K. Watanabe, Image formation mechanisms of spherical aberration corrected BF STEM imaging methods. Ultramicroscopy 136, 119-126, (2014).
  • K. Niwa, H. Ikegaya, T. Taguchi, S. Muto, T. Tokunaga, M. Hasegawa, Growth of rectangular hollow tube crystals with rutile-type structure in supercritical fluids. Journal of Physics: Conference Series 500, 022007 (2014).
  • T. Yoshida, E. Kuda, S. Muto, Depth distribution of dopant effective for visible-light response in nitrogen-doped TiO2 photocatalyst. Surface and Interface Analysis 46, 1236-1239 (2014).
  • K. Niwa, K. Suzuki, S. Muto, K. Tatsumi, K. Soda, T. Kikegawa, M. Hasegawa, Discovery of the last remaining binary platinum-group pernitride RuN2. Chemistry - A European Journal 20, 1-5 (2014).
  • N. Tanaka, J. Usukura, M. Kusunoki, Y. Saito, K. Sasaki, T. Tanji, S. Muto, S. Arai, Development of an environmental high voltage electron microscope and its application to nano and biomaterials. Journal of Physics: Conference Series 522, 12008 (2014).
  • S. Suzuki, K. Niwa, A. Honda, S. Muto, A. Ando, M. Hasegawa, High-pressure synthesis and sn valence state analysis of BaTiO3:SnO solid solution. Journal of Materials Research 29, 2928-2933 (2014).
  • A. H. Tavabi, S. Arai, S. Muto, T. Tanji, R. E. Dunin-Borkowski, In situ transmission electron microscopy of ionic conductivity and reaction mechanisms in ultrathin solid oxide fuel cells. Microscopy and Microanalysis 20, 1817-1825 (2014).
  • Y. Takahashi, H. Kondo, R. Asano, M. Takuma, K. Saitoh, S. Arai, S. Muto, N. Tanaka, In situ micro-mechanical testing of grain boundaries combined with environmental TEM. Experimental Mechanics (2015).
  • 武藤 俊介，J. Rusz, 巽 一厳, R. Adam, S. Arai, V. Kocevski, P. M. Oppeneer, D. E. Burgler, C. M. Schneider, 電子磁気二色性に基づく磁性材料の定量分析－超高圧走査透過型電子顕微鏡JEM-1000K RSによるナノ分解能測定へ－. 日本電子news 46, 9-16 (2014).
  • S. Muto，J. Rusz, K. Tatsumi, R. Adam, S. Arai, V. Kocevski, P. M. Oppeneer, D. E. Burgler, C. M. Schneider, Qualitative characterization of magnetic materials based on electron magnetic circular dichroism with nanometric resolution using the JEM-1000K RS ultra-high voltage STEM. JEOL News 49, 21-28 (2014).
  • 武藤 俊介，巽 厳一，J. Rusz, 電子磁気円二色性によるナノ領域磁気モーメントの測定. 日本結晶学会誌 56, 387-392 (2014).
  • K. Tatsumi, S. Muto, J. Rusz, T. Kudo, S. Arai, Signal enhancement of electron magnetic circular dichroism by ultra-high-voltage TEM, toward quantitative nano-magnetism measurements. Microscopy 63, 243-247 (2014).
  • S. Muto, J. Rusz, K. Tatsumi, R. Adam, S. Arai, V. Kocevski, P. M. Oppeneer, D. E .Burgler and C. M. Schneider, Quantitative characterization of nanoscale polycrystalline magnets with electron magnetic circular dichroism. Nature Communications 5, 3138 (2014).
  • I. Sugiyama, Y. Mizumukai, T. Taniuchi, K. Okada, F. Shirase, T. Tanase, Y. Ikuhara, T. Yamamoto, Three-dimensional morphology of (W,V)C1-X in VC-doped WC-Co hard metals. Scripta Materialia 69, 473-476 (2013)
  • S. Kobayashi, Y. Ikuhara, T. Yamamoto, Labyrinth-type domain structure of heteroepitaxial SrMnO2.5 film. Applied Physics Letters 102, 231911 (2013)
  • S. Nishida, S. Kobayashi, A. Kumamoto, H. Ikeno, T. Mizoguchi, I. Tanaka, Y. kuhara, T. Yamamoto, Effect of local coordination of Mn on Mn-L-2,L-3 edge electron energy loss spectrum. Journal of Applied Physics 114, 54906 (2013)
  • I. Sugiyama, N. Shibata, Z.C.Wang, S. Kobayashi, T. Yamamoto, Y. Ikuhara, Ferromagnetic dislocations in antiferromagnetic NiO. Nature Nanotechnology 8, 231911 (2013)
  • K.Tatsumi, S. Muto, J.Rusz, Energy Loss by Channeled Electrons: A Quantitative Study on Transition Metal Oxides. Microscopy and microanalysis 19, 1586-1594 (2013)
  • A. H. Tavabi, S. Muto, T. Tanji, R. E. Dunin-Borkowski, In situ study of anode reaction in intermediate temperature solid oxide fuel cells. Microscopy and Microanalysis 19-S2, 494-495 (2013)