研究者詳細 - 大塚　真弘

論文 - 大塚　真弘

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Automating ALCHEMI at the nano-scale using software compatible with PC-controlled transmission electron microscopy 査読有り国際誌

Ishizuka, A; Ohtsuka, M; Muto, S

JOURNAL OF APPLIED CRYSTALLOGRAPHY 55 巻頁： 551 - 557 2022年6月

<i>ReciPro</i>: free and open-source multipurpose crystallographic software integrating a crystal model database and viewer, diffraction and microscopy simulators, and diffraction data analysis tools 査読有り国際誌

Seto, Y; Ohtsuka, M

JOURNAL OF APPLIED CRYSTALLOGRAPHY 55 巻頁： 397 - 410 2022年4月

2D-HARECXS analysis of dopant and oxygen vacancy sites in Al-doped yttrium titanate 査読有り国際誌

Ohtsuka, M; Oda, K; Tanaka, M; Kitaoka, S; Muto, S

JOURNAL OF THE AMERICAN CERAMIC SOCIETY 104 巻 ( 7 ) 頁： 3760 - 3769 2021年7月

Quantitative Atomic-Site Analysis of Functional Dopants/Point Defects in Crystalline Materials by Electron-Channeling-Enhanced Microanalysis 査読有り国際誌

Ohtsuka, M; Muto, S

JOVE-JOURNAL OF VISUALIZED EXPERIMENTS e62015 巻 ( 171 ) 2021年5月

Measurement of nanoscale local stress distribution in phase-separated glass using scanning transmission electron microscopy-cathodoluminescence 査読有り国際誌

Yamada, T; Ohtsuka, M; Takahashi, Y; Yoshino, H; Amma, S; Muto, S

MATERIALIA 9 巻 2020年3月

Cation mixing in LiNi<sub>0.8</sub>Co<sub>0.15</sub>Al<sub>0.05</sub>O<sub>2</sub> positive electrode material studied using high angular resolution electron channeling X-ray spectroscopy 査読有り国際誌

Yamamoto, Y; Ohtsuka, M; Azuma, Y; Takahashi, T; Muto, S

JOURNAL OF POWER SOURCES 401 巻頁： 263 - 270 2018年10月

High-precision quantitative atomic-site-analysis of functional dopants in crystalline materials by electron-channelling-enhanced microanalysis 招待有り査読有り国際誌

Muto, S; Ohtsuka, M

PROGRESS IN CRYSTAL GROWTH AND CHARACTERIZATION OF MATERIALS 63 巻 ( 2 ) 頁： 40 - 61 2017年6月

Formation mechanism of dislocation network of cell structure in cyclically deformed near-[111] copper single crystals 査読有り国際誌

Wang, BH; Umeda, Y; Miyazawa, T; Ohtsuka, M; Muto, S; Arai, S; Fujii, T

MATERIALS SCIENCE AND ENGINEERING A-STRUCTURAL MATERIALS PROPERTIES MICROSTRUCTURE AND PROCESSING 879 巻 2023年7月

Extension of focal depth by electron quasi-Bessel beam in atomic-resolution scanning transmission electron microscopy 査読有り国際誌

Ishida, T; Owaki, T; Ohtsuka, M; Kuwahara, M; Saitoh, K; Kawasaki, T

APPLIED PHYSICS EXPRESS 15 巻 ( 11 ) 2022年11月

A study on the relationship of magnetic moments orientation in L1<sub>0</sub>FePt network nanostructured film by electron energy-loss magnetic chiral dichroism using semi-core excitation spectra 査読有り国際共著国際誌

Makino, H; Rusz, J; Wang, J; Turenne, D; Ohtsuka, M; Takahashi, YK; Dürr, HA; Muto, S

JOURNAL OF MAGNETISM AND MAGNETIC MATERIALS 558 巻 2022年9月

Structural and chemical modifications of oxides and OH generation by space weathering: Electron microscopic/spectroscopic study of hydrogen-ion-irradiated Al<sub>2</sub>O<sub>3</sub> 査読有り国際誌

Igami, Y; Muto, S; Takigawa, A; Ohtsuka, M; Miyake, A; Suzuki, K; Yasuda, K; Tsuchiyama, A

GEOCHIMICA ET COSMOCHIMICA ACTA 315 巻頁： 61 - 72 2021年12月

Core-Shell Double Doping of Zn and Ca on β-Ga<sub>2</sub>O<sub>3</sub> Photocatalysts for Remarkable Water Splitting 査読有り国際誌

Yamakata, A; Vequizo, JJM; Ogawa, T; Kato, K; Tsuboi, S; Furutani, N; Ohtsuka, M; Muto, S; Kuwabara, A; Sakata, Y

ACS CATALYSIS 11 巻 ( 4 ) 頁： 1911 - 1919 2021年2月

Formation of ultra-thin Ge<sub>1-</sub><sub><i>x</i></sub>Sn<sub><i>x</i></sub>/Ge<sub>1-</sub><sub><i>x</i></sub><sub>-</sub><sub><i>y</i></sub>Si<sub><i>x</i></sub>Sn<sub><i>y</i></sub> quantum heterostructures and their electrical properties for realizing resonant tunneling diode 査読有り国際誌

Suwito, GR; Fukuda, M; Suprayoga, E; Ohtsuka, M; Hasdeo, EH; Nugraha, ART; Sakashita, M; Shibayama, S; Nakatsuka, O

APPLIED PHYSICS LETTERS 117 巻 ( 23 ) 2020年12月

電子チャネリング効果を利用した結晶材料分析法の現状招待有り査読有り

大塚真弘, 武藤俊介

まてりあ 58 巻 ( 2 ) 頁： 73 - 76 2019年2月

Proposal for Measuring Magnetism with Patterned Apertures in a Transmission Electron Microscope 査読有り国際共著国際誌

Negi, D; Spiegelberg, J; Muto, S; Thersleff, T; Ohtsuka, M; Schönström, L; Tatsumi, K; Rusz, J

PHYSICAL REVIEW LETTERS 122 巻 ( 3 ) 2019年1月

Unmixing hyperspectral data by using signal subspace sampling 査読有り国際共著国際誌

Spiegelberg, J; Muto, S; Ohtsuka, M; Pelckmans, K; Rusz, J

ULTRAMICROSCOPY 182 巻頁： 205 - 211 2017年11月

Localization of magnetic circular dichroic spectra in transmission electron microscopy experiments with atomic plane resolution 査読有り国際共著国際誌

Rusz, J; Spiegelberg, J; Muto, S; Thersleff, T; Ohtsuka, M; Leifer, K; Oppeneer, PM

PHYSICAL REVIEW B 95 巻 ( 17 ) 頁： 174412 2017年5月

Quantitative determination of occupation sites of trace Co substituted for multiple Fe sites in M-type hexagonal ferrite using statistical beam-rocking TEM-EDXS analysis 査読有り

Masahiro Ohtsuka, Shunsuke Muto, Kazuyoshi Tatsumi, Yoshinori Kobayashi, Tsunehiro Kawata

Microscopy 65 巻 ( 2 ) 頁： 127-137 2016年4月

Image formation mechanisms of spherical aberration corrected BF STEM imaging methods 査読有り

Yasutoshi Kotaka, Takashi Yamazaki, Masahiro Ohtsuka, Kazuto Watanabe

Ultramicroscopy 136 巻頁： 119-126 2014年10月

Bloch wave simulations in the frozen lattice approximation 査読有り

Takashi Yamazaki, Masahiro Ohtsuka, Yasutoshi Kotaka, Kazuto Watanabe

Ultramicroscopy 135 巻頁： 16-23 2013年5月

Nonlocality in spherical-aberration-corrected HAADF STEM images 査読有り

Masahiro Ohtsuka, Takashi Yamazaki, Yasutoshi Kotaka, Hironori Fujisawa, Masaru Shimizu, Koichiro Honda, Iwao Hashimoto, Kazuto Watanabe

69 巻頁： 289-296 2013年4月

Imaging of light and heavy atomic columns by spherical aberration corrected middle-angle bright-field STEM 査読有り

Masahiro Ohtsuka, Takashi Yamazaki, Yasutoshi Kotaka, Iwao Hashimoto, Kazuto Watanabe

Ultramicroscopy 120 巻頁： 48-55 2012年9月

Comparison of Interface Characterization between Ag(In,Ga)Se2 and Cu(In,Ga)Se2 Solar Cells by High-Angle-Annular Dark-Field Scanning Transmission Electron Microscopy 査読有り

Zhang Xianfeng, Tsuyoshi Kobayashi, Yasuyoshi Kurokawa, Yoshiyuki Tashiro, Masahiro Ohtsuka, Tomoyuki Yamada, Akira Yamada

Japanese Journal of Applied Physics 50 巻頁： 126603 2011年11月

Effect of convergent beam semiangle on image intensity in HAADF STEM images 査読有り

Koji Kuramochi, Takashi Yamazaki, Yasutoshi Kotaka, Masahiro Ohtsuka, Iwao Hashimoto, Kazuto Watanabe

Acta Crystallographica Section A 66 巻頁： 10-16 2010年

Many-beam dynamical simulation for multilayer structures without a superlattice cell 査読有り

Masahiro Ohtsuka, Takashi Yamazaki, Iwao Hashimoto, Kazauto Watanabe

Acta Crystallographica Section A 65 巻頁： 135-140 2009年

Effect of chromatic aberration on atomic-resolved spherical aberration corrected STEM images 査読有り

Koji Kuramochi, Yasutoshi Kotaka, Takashi Yamazaki, Masahiro Ohtsuka, Iwao Hashimoto, Kazuto Watanabe

Ultramicroscopy 110 巻頁： 36-42 2009年

Quantitative and easy estimation of a crystal bending effect using low-order CBED patterns 査読有り

Takashi Yamazaki, Akihiro Kashiwagi, Koji Kuramoshi, Masahiro Ohtsuka, Iwao Hashimoto, Kazuto Watanabe

Journal of Electron Microscopy 57 巻頁： 181-187 2008年

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