Papers - MASUDA Ryou
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Fast Data Acquisition of the Nuclear Resonant Scattering Spectra using APD Linear-array Detector
Yoda Yoshitaka, Masuda Ryo, Kishimoto Shunji
SPring-8/SACLA Research Report 13 ( 3 ) 172 - 174 2025.6
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Basis Function Dependence of Estimation Precision for Synchrotron-Radiation-Based Mössbauer Spectroscopy
Shieh, B., Masuda, R., Tsutsui, S., Katakami, S., Nagata, K., Mizumaki, M., Okada, M.
Journal of the Physical Society of Japan 94 ( 3 ) 2025
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Nuclear phase retrieval spectroscopy using resonant x-ray scattering
Yuan, Z., Wang, H., Li, Z., Wang, T., Wang, H., Huang, X., Li, T., Ma, Z., Zhu, L., Xu, W., Zhang, Y., Chen, Y., Masuda, R., Yoda, Y., Yuan, J., P{\'a}lffy, A., Kong, X.
Nature Communications 16 ( 1 ) 3096 2025
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Feasibility Study of Thin Film Surface Analysis Using Synchrotron Low-Angle Incidence Conversion Electron Mössbauer Spectroscopy
Mitsui, T., Fujiwara, K., Mibu, K., Masuda, R., Kobayashi, Y., Seto, M.
Journal of the Physical Society of Japan 93 ( 3 ) 2024
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Measurement of the sub-nanometer vibration amplitudes using <sup>57</sup>Fe synchrotron Mössbauer source
Yamashita, H., Kitao, S., Kobayashi, Y., Ota, H., Masuda, R., Fujiwara, K., Mitsui, T., Seto, M.
Hyperfine Interactions 245 ( 1 ) 2024
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Three-dimensional surface analysis of iron-based materials using synchrotron Mössbauer source
Fujiwara, K., Mitsui, T., Hasegawa, N., Nishikino, M., Kobayashi, Y., Mibu, K., Shinoda, K., Masuda, R., Seto, M.
Applied Physics Express 17 ( 8 ) 2024
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Observation of a critical charge mode in a strange metal
Hisao Kobayashi, Yui Sakaguchi, Hayato Kitagawa, Momoko Oura, Shugo Ikeda, Kentaro Kuga, Shintaro Suzuki, Satoru Nakatsuji, Ryo Masuda, Yasuhiro Kobayashi, Makoto Seto, Yoshitaka Yoda, Kenji Tamasaku, Yashar Komijani, Premala Chandra, Piers Coleman
Science 379 ( 6635 ) 908 - 912 2023.3
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Energy domain synchrotron-radiation-based Mössbauer spectroscopy of EuH2 under a few GPa pressure
Ryo Masuda, Naohisa Hirao, Kosuke Fujiwara, Takaya Mitsui, Taku Fujihara, Hiroyuki Yamashita, Hiroyuki Tajima, Masayuki Kurokuzu, Shinji Kitao, Makoto Seto
Hyperfine Interactions 2023.1
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Synchrotron-radiation-based 174Yb Mössbauer Spectroscopy of the 1/1 Au-Al-Yb Approximant
Kinoshita, Y., Kobayashi, H., Nagasawa, N., Yoda, Y., Masuda, R., Nakamura, Y., Sakakibara, Y., Deguchi, K.
New Physics: Sae Mulli 73 ( 12 ) 2023
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Development of Time- and Energy-Resolved Synchrotron-Radiation-Based Mössbauer Spectroscopy
S. Kitao, R. Masuda, T. Fujihara, H. Tajima, N. Nagasawa, Y. Yoda, T. Masuda, K. Yoshimura, M. Seto
Journal of Physics: Conference Series 2380 ( 1 ) 012136 - 012136 2022.12
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Investigation of the Structure of Atomically Dispersed NiN<sub><i>x</i></sub> Sites in Ni and N-Doped Carbon Electrocatalysts by <sup>61</sup>Ni Mössbauer Spectroscopy and Simulations
David M. Koshy, Md Delowar Hossain, Ryo Masuda, Yoshitaka Yoda, Leland B. Gee, Kabir Abiose, Huaxin Gong, Ryan Davis, Makoto Seto, Alessandro Gallo, Christopher Hahn, Michal Bajdich, Zhenan Bao, Thomas F. Jaramillo
Journal of the American Chemical Society 144 ( 47 ) 21741 - 21750 2022.11
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Acoustic wave velocities of ferrous‐bearing MgSiO <sub>3</sub> glass up to 158 GPa with implications for dense silicate melts at the base of the Earth’s mantle
Izumi Mashino, Motohiko Murakami, Shinji Kitao, Takaya Mitsui, Ryo Masuda, Makoto Seto
Geophysical Research Letters 2022.6
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Rayleigh Scattering of Synchrotron Mossbauer Radiation Using a Variable Bandwidth Nuclear Bragg Monochromator
Takaya Mitsui, Ryo Masuda, Shinji Kitao, Yasuhiro Kobayashi, Makoto Seto
JOURNAL OF THE PHYSICAL SOCIETY OF JAPAN 91 ( 6 ) 2022.6
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<sup>161</sup>Dy synchrotron-radiation-based Mössbauer absorption spectroscopy
Masuda, R., Kitao, S., Tajima, H., Taniguchi, H., Mitsui, T., Fujiwara, K., Yoda, Y., Nagasawa, N., Ishikawa, D., Baron, A.Q.R., Yoshida, T., Sato, T., Katoh, K., Kobayashi, H., Seto, M.
Hyperfine Interactions 243 ( 1 ) 2022.3
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Direct observation of magnetic Friedel oscillation at Fe(001) surface
Mitsui, T., Sakai, S., Li, S., Ueno, T., Watanuki, T., Kobayashi, Y., Masuda, R., Seto, M., Akai, H.
Hyperfine Interactions 242 ( 1 ) 2021.11
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Application of synchrotron-radiation-based Mössbauer spectroscopy to <sup>193</sup>Ir 73 keV transition
Tsutsui, S., Hanate, H., Yoda, Y., Masuda, R., Matsuhira, K.
Hyperfine Interactions 242 ( 1 ) 2021.10
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Magnetic and Electronic Structures in Sm based ThMn<sub>12</sub> Phase Observed by Synchrotron Mössbauer Spectroscopy
Yano Masao, Kobayashi Yasuhiro, Masuda Ryo, Yoda Yoshitaka, Suzuki Shunji, Kuno Tomoko, Urushibata Kimiko, Kobayashi Kurima, Sakuma Noritsugu, Seto Makoto
SPring-8/SACLA Research Report 9 ( 6 ) 395 - 399 2021.10
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Mixed-valence state and structure changes of EuH (x = 2 and 2 < x ≤ 3) under high-pressure H2 atmosphere
Keiji Kuno, Takahiro Matsuoka, Ryo Masuda, Takaya Mitsui, Makoto Seto, Akihiko Machida, Hiroshi Fujihisa, Naohisa Hirao, Yasuo Ohishi, Katsuya Shimizu, Shigeo Sasaki
Journal of Alloys and Compounds 865 158637 - 158637 2021.6
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Synchrotron Mössbauer spectroscopic and x-ray diffraction study of ferropericlase in the high-pressure range of the lower mantle region
Maki Hamada, Seiji Kamada, Eiji Ohtani, Tatsuya Sakamaki, Takaya Mitsui, Ryo Masuda, Naohisa Hirao, Yasuo Ohishi, Masahide Akasaka
Physical Review B 103 ( 17 ) 2021.5
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Synchrotron-Radiation-Based Energy-Domain Mossbauer Spectroscopy, Nuclear Resonant Inelastic Scattering, and Quasielastic Scattering Using Mossbauer Gamma Rays
Makoto Seto, Ryo Masuda, Makina Saito
MODERN MOSSBAUER SPECTROSCOPY: NEW CHALLENGES BASED ON CUTTING-EDGE TECHNIQUES 137 57 - 104 2021.1
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Magnetic Friedel Oscillation at the Fe(001) Surface: Direct Observation by Atomic-Layer-Resolved Synchrotron Radiation Fe57 Mössbauer Spectroscopy
T. Mitsui, S. Sakai, S. Li, T. Ueno, T. Watanuki, Y. Kobayashi, R. Masuda, M. Seto, H. Akai
Physical Review Letters 125 ( 23 ) 236806 - 236806 2020.12
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Correction to: Synchrotron-radiation-based Mössbauer absorption spectroscopy with high resonant energy nuclides (Hyperfine Interactions, (2019), 240, 1, (120), 10.1007/s10751-019-1672-x)
Ryo Masuda, Kohei Kusada, Takefumi Yoshida, Shinji Michimura, Yasuhiro Kobayashi, Shinji Kitao, Hiroyuki Tajima, Takaya Mitsui, Hirokazu Kobayashi, Hiroshi Kitagawa, Makoto Seto
Hyperfine Interactions 241 ( 1 ) 2020.12
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Valence Transition of EuRh₂Si₂ Studied by Synchrotron Mossbauer Spectroscopy
Mitsuda Akihiro, Wada Hirofumi, Masuda Ryo, Kitao Shinji, Seto Makoto, Yoda Yoshitaka, Kobayashi Hisao
Journal of the Physical Society of Japan 89 ( 10 ) 104703 - 1-5 2020.9
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Simultaneous Measurement of γ-ray and Conversion Electron Mossbauer Spectra of Fe Films under Total Reflection Conditions Using Synchrotron Mossbauer Source
Takaya Mitsui, Ko Mibu, Masaaki Tanaka, Shinji Kitao, Yasuhiro Kobayashi, Ryo Masuda, Makoto Seto
Journal of the Physical Society of Japan 89 ( 5 ) 54707 - 1-6 2020.4
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Microscopic molecular translational dynamics in cholesteric and cholesteric blue phases
Makina Saito, Jun Yamamoto, Ryo Masuda, Masayuki Kurokuzu, Yoshitaka Yoda, Makoto Seto
Hyperfine Interactions 241 ( 1 ) 14 2020.1
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Development of 166Er Mössbauer spectroscopy in KURNS
Shin Nakamura, Hiroko Yokota, Shinji Kitao, Yasuhiro Kobayashi, Makina Saito, Ryo Masuda, Makoto Seto
Hyperfine Interactions 240 ( 1 ) 2019.12
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Synchrotron-radiation-based Mössbauer absorption spectroscopy with high resonant energy nuclides
Masuda, R., Kusada, K., Yoshida, T., Michimura, S., Kobayashi, Y., Kitao, S., Tajima, H., Mitsui, T., Kobayashi, H., Kitagawa, H., Seto, M.
Hyperfine Interactions 240 ( 120 ) 2019.11
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Development of a measurement system enabling the reconstruction of γ-ray time spectra by simultaneous recording of energy and time information
Tajima Hiroyuki, Kitao Shinji, Masuda Ryo, Kobayashi Yasuhiro, Masuda Takahiko, Yoshimura Koji, Seto Makoto
Japanese Journal of Applied Physics 58 ( 10 ) 108001 - 108001 2019.9
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Direct observation of interlayer molecular translational motion in a smectic phase and determination of the layer order parameter
Makina Saito, Jun Yamamoto, Ryo Masuda, Masayuki Kurokuzu, Yohei Onodera, Yoshitaka Yoda, and Makoto Seto
Physical Review Research 1 012008(R) 2019.8
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Nuclear Bragg reflection of 57FeBO3 in radio-frequency magnetic field observed with Si-APD linear array detector
Shunji Kishimoto, Rie Haruki, Ryo Masuda, Manobu M. Tanaka and Takaya Mitsui
Japanese Journal of Applied Physics 58 016501 2019.1
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Erratum: Structural and Valence Changes of Europium Hydride Induced by Application of High-Pressure H2 (Physical Review Letters (2011) 107 (025501) DOI: 10.1103/PhysRevLett.107.025501)
Matsuoka, T., Fujihisa, H., Hirao, N., Ohishi, Y., Mitsui, T., Masuda, R., Seto, M., Yoda, Y., Shimizu, K., Machida, A., Aoki, K.
Physical Review Letters 122 ( 17 ) 2019
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Correction to: Development of <sup>166</sup>Er Mössbauer spectroscopy in KURNS (Hyperfine Interactions, (2019), 240, 1, (75), 10.1007/s10751-019-1623-6)
Nakamura, S., Yokota, H., Kitao, S., Kobayashi, Y., Saito, M., Masuda, R., Seto, M.
Hyperfine Interactions 240 ( 1 ) 2019
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61Ni synchrotron-radiation-based Mössbauer absorption spectroscopy of Ni nanoparticle composites
Ryo Masuda, Hirokazu Kobayashi, Yoshimasa Aoyama, Makina Saito, Shinji Kitao, Hiroki Ishibashi, Shuichi Hosokawa, Takaya Mitsui, Yoshitaka Yoda, Hiroshi Kitagawa, Makoto Seto
Hyperfine Interactions 239 ( 1 ) 2018.12
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Electronic properties and compressional behavior of Fe-Si alloys at high pressure
Seiji Kamada, Nanami Suzuki, Fumiya Maeda, Naohisa Hirao, Maki Hamada, Eiji Ohtani, Ryo Masuda, Takaya Mitsui, Yasuo Ohishi, and Satoshi Nakano
American Mineralogist 103 1959 2018.12
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Nuclear Bragg reflection of <sup>57</sup> FeBO <inf>3</inf> in radio-frequency magnetic field observed with Si-APD linear array detector
Kishimoto, S., Haruki, R., Masuda, R., Tanaka, M.M., Mitsui, T.
Japanese Journal of Applied Physics 58 ( 1 ) 016501.1‐016501.6 2018.11
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Precise determination of hyperfine interactions and second-order doppler shift in <sup>149</sup>Sm Mössbauer transition
Tsutsui, S., Masuda, R., Yoda, Y., Seto, M.
Hyperfine Interactions 239 ( 1 ) 2018.11
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Variable-bandwidth <sup>57</sup>Fe synchrotron mössbauer source
Mitsui, T., Masuda, R., Seto, M., Hirao, N.
Journal of the Physical Society of Japan 87 ( 9 ) 2018.8
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Valence fluctuating compound α-YbAlB4 studied by 174Yb Mössbauer spectroscopy and X-ray diffraction using synchrotron radiation
Momoko Oura, Shugo Ikeda, Ryo Masuda, Yasuhiro Kobayashi, Makoto Seto, Yoshitaka Yoda, Naohisa Hirao, Saori I. Kawaguchi, Yasuo Ohishi, Shintaro Suzuki, Kentaro Kuga, Satoru Nakatsuji, and Hisao Kobayashi
Physica B 536 162 2018.5
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Nuclear resonant scattering experiment with fast time response: Photonuclear excitation of Hg 201
Yoshimi, A., Hara, H., Hiraki, T., Kasamatsu, Y., Kitao, S., Kobayashi, Y., Konashi, K., Masuda, R., Masuda, T., Miyamoto, Y., Okai, K., Okubo, S., Ozaki, R., Sasao, N., Sato, O., Seto, M., Schumm, T., Shigekawa, Y., Stellmer, S., Suzuki, K., Uetake, S., Watanabe, M., Yamaguchi, A., Yasuda, Y., Yoda, Y., Yoshimura, K., Yoshimura, M.
Physical Review C 97 ( 2 ) 2018.2
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57Fe nuclear resonant inelastic scattering of Fe1.1Te
Masayuki Kurokuzu, Shinji Kitao, Yasuhiro Kobayashi, Makina Saito, Ryo Masuda, Takaya Mitsui, Yoshitaka Yoda, and Makoto Seto
Hyperfine Interactions 239 9 2018.1
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61Ni synchrotron-radiation-based Mossbauer absorption spectroscopy of Ni nanoparticle composites
Ryo Masuda, Hirokazu Kobayashi, Yoshimasa Aoyama, Makina Saito, Shinji Kitao, Hiroki Ishibashi, Shuichi Hosokawa, Takaya Mitsui, Yoshitaka Yoda, Hiroshi Kitagawa, and Makoto Seto
Hyperfine Interactions 239 11 2018.1
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Effect of silica nanoparticle filler on microscopic polymer α-relaxation dynamics
Makina Saito, Ryo Mashita, Hiroyuki Kishimoto, Ryo Masuda, Yoshitaka Yoda, and Makoto Seto
Hyperfine Interactions 238 99 2017.11
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Thickness dependence of Morin transition temperature in iridium-doped hematite layers studied through nuclear resonant scattering
Ko Mibu, Kazuaki Mikami, Masaaki Tanaka, Ryo Masuda, Yoshitaka Yoda, and Makoto Seto
Hyperfine Interactions 238 92 2017.11
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Spin state and electronic environment of iron in basaltic glass in the lower mantle
Fumiya Maeda, Seiji Kamada, Eiji Ohtani, Naohisa Hirao, Takaya Mitsui, Ryo Masuda, Masaaki Miyahara, and Catherine McCammon
American Mineralogist 102 2106 2017.10
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Synchrotron Radiation-Based Quasi-Elastic Scattering Using Time-Domain Interferometry with Multi-Line Gamma Rays
Makina Saito, Ryo Masuda, Yoshitaka Yoda and Makoto Seto
Scientific Reports 7 12558 2017.10
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Evolution of synchrotron-radiation-based Mossbauer absorption spectroscopy for various isotopes
Makoto Seto, Ryo Masuda, Yasuhiro Kobayashi, Shinji Kitao, Masayuki Kurokuzu, Makina Saito, Shuuich Hosokawa, Hiroki Ishibashi, Takaya Mitsui, Yoshitaka Yoda, Ko Mibu
HYPERFINE INTERACTIONS 238 2017.10
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Ferrimagnetic Cage Framework in Ca12Fe10Si4O32Cl6
Soshi Iimura, Yudai Tomota, Satoru Matsuishi, Ryo Masuda, Makoto Seto, Haruhiro Hiraka, Kazutaka Ikeda, Toshiya Otomo, and Hideo Hosono
Inorganic Chemistry 56 566 2016.12
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High-Pressure-Hydrogen-Induced Spin Reconfiguration in GdFe2 Observed by Fe-57-Polarized Synchrotron Radiation Mossbauer Spectroscopy with Nuclear Bragg Monochromator
Takaya Mitsui, Yasuhiko Imai, Naohisa Hirao, Takahiro Matsuoka, Yumiko Nakamura, Kouji Sakaki, Hirotoshi Enoki, Naoki Ishimatsu, Ryo Masuda, Makoto Seto
JOURNAL OF THE PHYSICAL SOCIETY OF JAPAN 85 ( 12 ) 2016.12
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Synchrotron Radiation Mossbauer Spectroscopy Using Sm-149 Nuclei
Satoshi Tsutsui, Ryo Masuda, Yasuhiro Kobayashi, Yoshitaka Yoda, Kota Mizuuchi, Yusei Shimizu, Hiroyuki Hidaka, Tatsuya Yanagisawa, Hiroshi Amitsuka, Fumitoshi Iga, Makoto Seto
JOURNAL OF THE PHYSICAL SOCIETY OF JAPAN 85 ( 8 ) 2016.8
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Synchrotron-based Nickel Mossbauer Spectroscopy
Leland B. Gee, Chun-Yi Lin, Francis E. Jenney, Michael W. W. Adams, Yoshitaka Yoda, Ryo Masuda, Makina Saito, Yasuhiro Kobayashi, Kenji Tamasaku, Michael Lerche, Makoto Seto, Charles G. Riordan, Ann Ploskonka, Philip P. Power, Stephen P. Cramer, Lars Lauterbach
INORGANIC CHEMISTRY 55 ( 14 ) 6866 - 6872 2016.7
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The study of the magnetization process of fe film by magnetic Compton scattering and Mossbauer spectroscopy
Akane Agui, Ryo Masuda, Yasuhiro Kobayashi, Tadashi Kato, Shun Emoto, Kosuke Suzuki, Hiroshi Sakurai
JOURNAL OF MAGNETISM AND MAGNETIC MATERIALS 408 41 - 45 2016.6
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Erratum: 61Ni synchrotron radiation-based Mössbauer spectroscopy of nickel-based nanoparticles with hexagonal structure
Ryo Masuda, Yasuhiro Kobayashi, Shinji Kitao, Masayuki Kurokuzu, Makina Saito, Yoshitaka Yoda, Takaya Mitsui, Kohei Hosoi, Hirokazu Kobayashi, Hiroshi Kitagawa, Makoto Seto
Scientific Reports 6 ( 1 ) 2016.6
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Observation of Flux-Grown alpha-Fe2O3 Single Crystal at the Morin Transition by Fe-57 Synchrotron Radiation Mossbauer Diffraction
Takaya Mitsui, Shin Nakamura, Naoshi Ikeda, Kosuke Fujiwara, Ryo Masuda, Yasuhiro Kobayashi, Makoto Seto
JOURNAL OF THE PHYSICAL SOCIETY OF JAPAN 85 ( 5 ) 2016.5
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Magnetic and spin transitions in wustite: A synchrotron Mossbauer spectroscopic study
Maki Hamada, Seiji Kamada, Eiji Ohtani, Takaya Mitsui, Ryo Masuda, Tatsuya Sakamaki, Nanami Suzuki, Fumiya Maeda, Masahide Akasaka
PHYSICAL REVIEW B 93 ( 15 ) 2016.4
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Dynamics of iodine anions in KI and LiI aqueous solutions studied by I-127 nuclear resonant quasi-elastic scattering
Rie Haruki, Masanori Koshimizu, Fumihiko Nishikido, Ryo Masuda, Yasuhiro Kobayashi, Makoto Seto, Yoshitaka Yoda, Shunji Kishimoto
HYPERFINE INTERACTIONS 237 2016.3
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The study of the magnetization process of fe film by magnetic Compton scattering and Mössbauer spectroscopy
Akane Agui, Ryo Masuda, Yasuhiro Kobayashi, Tadashi Kato, Shun Emoto, Kosuke Suzuki, Hiroshi Sakurai
Journal of Magnetism and Magnetic Materials 408 41 2016.2
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Slow dynamics in glycerol: collective de gennes narrowing and independent angstrom motion
Makina Saito, Yasuhiro Kobayashi, Ryo Masuda, Masayuki Kurokuzu, Shinji Kitao, Yoshitaka Yoda, and Makoto Seto
Hyperfine Interactions 237 16 2016.2
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61Ni synchrotron radiation-based Mössbauer spectroscopy of nickel-based nanoparticles with hexagonal structure
Ryo Masuda, Yasuhiro Kobayashi, Shinji Kitao, Masayuki Kurokuzu, Makina Saito, Yoshitaka Yoda, Takaya Mitsui, Kohei Hosoi, Hirokazu Kobayashi, Hiroshi Kitagawa, and Makoto Seto
Scientific Reports 6 20861 2016.2
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Synchrotron radiation-based Ni-61 Mossbauer spectroscopic study of Li(Ni1/3Mn1/3Co1/3)O-2 cathode materials of lithium ion rechargeable battery
Takashi Segi, Ryo Masuda, Yasuhiro Kobayashi, Takayuki Tsubota, Yoshitaka Yoda, Makoto Seto
HYPERFINE INTERACTIONS 237 2016.2
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Synchrotron radiation based Mossbauer absorption spectroscopy of various nuclides
Ryo Masuda, Yasuhiro Kobayashi, Shinji Kitao, Masayuki Kurokuzu, Makina Saito, Yoshitaka Yoda, Takaya Mitsui, Makoto Seto
HYPERFINE INTERACTIONS 237 2016.2
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Phase relations on the K2CO3-CaCO3-MgCO3 join at 6 GPa and 900-1400 C: Implications for incipient melting in carbonated mantle domains, American Mineralogist
Hamada, M, Kamada, S, Ohtani, E, Mitsui, T, Masuda, R, Sakamaki, T, Suzuki, N, Maeda, F, Akasaka, M
Physical Review B - Condensed Matter and Materials Physics 93 ( 15 ) 155165 2016
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Synchrotron-radiation-based Mössbauer spectroscopy of <sup>40</sup>K in antiferromagnetic potassium nanoclusters in sodalite
Takehito Nakano, Naoki Fukuda, Makoto Seto, Yasuhiro Kobayashi, Ryo Masuda, Yoshitaka Yoda, Mototsugu Mihara, Yasuo Nozue
Physical Review B - Condensed Matter and Materials Physics 91 ( 14 ) 2015.4
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Attempt to measure magnetic hyperfine fields in metallic thin wires under spin Hall conditions using synchrotron-radiation Mössbauer spectroscopy
Ko Mibu, Takaya Mitsui, Masaaki Tanaka, Ryo Masuda, Shinji Kitao, Yasuhiro Kobayashi, Yoshitaka Yoda, and Makoto Seto
Journal of Applied Physics 117 17E126 2015.4
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Fe-57 polarization-dependent synchrotron Mossbauer spectroscopy using a diamond phase plate and an iron borate nuclear Bragg monochromator
Takaya Mitsui, Yasuhiko Imai, Ryo Masuda, Makoto Seto, Ko Mibu
JOURNAL OF SYNCHROTRON RADIATION 22 427 - 435 2015.3
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High-pressure radiative conductivity of dense silicate glasses with potential implications for dark magmas
Motohiko Murakami, Alexander F. Goncharov, Naohisa Hirao, Ryo Masuda, Takaya Mitsui, Sylvia-Monique Thomas, Craig R. Bina
Nature Communications 5 5428 2014.11
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The spin state of iron in Fe3+-bearing Mg-perovskite and its crystal chemistry at high pressure
Izumi Mashino, Eiji Ohtani, Naohisa Hirao, Takaya Mitsui, Ryo Masuda, Makoto Seto, Takeshi Sakai, Suguru Takahashi, and Satoshi Nakano
American Mineralogist 99 1555 2014.8
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Te-125 Synchrotron-Radiation-Based Mossbauer Spectroscopy of Fe1.1Te and FeTe0.5Se0.5
Masayuki Kurokuzu, Shinji Kitao, Yasuhiro Kobayashi, Makina Saito, Ryo Masuda, Takaya Mitsui, Yoshitaka Yoda, Makoto Seto
JOURNAL OF THE PHYSICAL SOCIETY OF JAPAN 83 ( 4 ) 2014.4
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Development of Te-125 synchrotron-radiation-based Mossbauer spectroscopy
Masayuki Kurokuzu, Shinji Kitao, Yasuhiro Kobayashi, Makina Saito, Ryo Masuda, Takaya Mitsui, Yoshitaka Yoda, Makoto Seto
HYPERFINE INTERACTIONS 226 ( 1-3 ) 687 - 691 2014.4
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Synchrotron radiation-based Mossbauer spectra of Yb-174 measured with internal conversion electrons
Ryo Masuda, Yasuhiro Kobayashi, Shinji Kitao, Masayuki Kurokuzu, Makina Saito, Yoshitaka Yoda, Takaya Mitsui, Fumitoshi Iga, Makoto Seto
APPLIED PHYSICS LETTERS 104 ( 8 ) 2014.2
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In situ synchrotron 57Fe Mössbauer spectroscopy of RFe2 (R=Y, Gd) hydrides synthesized under ultra-high-pressure hydrogen
Takaya Mitsui, Ryo Masuda, Makoto Seto, Naohisa Hirao, Takahiro Matsuoka, Yumiko Nakamura, Kouji Sakaki, and Hirotoshi Enoki
Journal of Alloys and Compounds 580 S264 2013.4
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Studies on spintronics-related thin films using synchrotron-radiation-based Mossbauer spectroscopy
Ko Mibu, Makoto Seto, Takaya Mitsui, Yoshitaka Yoda, Ryo Masuda, Shinji Kitao, Yasuhiro Kobayashi, Edi Suharyadi, Masaaki Tanaka, Masakiyo Tsunoda, Hideto Yanagihara, Eiji Kita
HYPERFINE INTERACTIONS 217 ( 1-3 ) 127 - 135 2013.4
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Synchrotron radiation Fe-57-Mossbauer spectroscopy using nuclear monochromator
Takaya Mitsui, Ryo Masuda, Naohisa Hirao, Ko Mibu, Makoto Seto
HYPERFINE INTERACTIONS 204 ( 1-3 ) 97 - 100 2012.3
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An in situ Mossbauer study using synchrotron radiation
Ryo Masuda, Takaya Mitsui, Keiji Itoh, Kouji Sakaki, Hirotoshi Enoki, Yumiko Nakamura, Makoto Seto
HYPERFINE INTERACTIONS 204 ( 1-3 ) 139 - 142 2012.3
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Grazing-incidence synchrotron-radiation Fe-57-Mossbauer spectroscopy using a nuclear Bragg monochromator and its application to the study of magnetic thin films
Takaya Mitsui, Ryo Masuda, Makoto Seto, Edi Suharyadi, Ko Mibu
JOURNAL OF SYNCHROTRON RADIATION 19 198 - 204 2012.3
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Mossbauer Study of the SmFe2 Hydride through Sm-149 and Fe-57
Ryo Masuda, Takaya Mitsui, Keiji Itoh, Yasuhiro Kobayashi, Shinji Kitao, Makoto Seto
JOURNAL OF THE PHYSICAL SOCIETY OF JAPAN 81 ( 3 ) 2012.3
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Structural and valence changes of Europium hydride induced by application of high-pressure H2
Takahiro Matsuoka, Hiroshi Fujihisa, Naohisa Hirao, Yasuo Ohishi, Takaya Mitsui, Ryo Masuda, Makoto Seto, Yoshitaka. Yoda, Katsuya Shimizu, Akihiko Machida, and Katsutoshi Aoki
Physical Review Letters 107 025501 2011.7
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Anisotropic phonon density of states in FePt nanoparticles with L1(0) structure
Yoshinori Tamada, Ryo Masuda, Atsushi Togo, Shinpei Yamamoto, Yoshitaka Yoda, Isao Tanaka, Makoto Seto, Saburo Nasu, Teruo Ono
PHYSICAL REVIEW B 81 ( 13 ) 2010.4
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Mossbauer spectroscopy in the energy domain using synchrotron radiation
M. Seto, R. Masuda, S. Higashitaniguchi, S. Kitao, Y. Kobayashi, C. Inaba, T. Mitsui, Y. Yoda
INTERNATIONAL CONFERENCE ON THE APPLICATIONS OF THE MOSSBAUER EFFECT (ICAME 2009) 217 12002 - 0 2010
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A Spectrometer for Rayleigh Scattering of Mossbauer Radiation Using Synchrotron Radiation
Ryo Masuda, Takaya Mitsui, Yasuhiro Kobayashi, Satoshi Higashitaniguchi, Makoto Seto
JAPANESE JOURNAL OF APPLIED PHYSICS 48 ( 12 ) 120221 - 120221-3 2009.12
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Development of an energy-domain Fe-57-Mossbauer spectrometer using synchrotron radiation and its application to ultrahigh-pressure studies with a diamond anvil cell
Takaya Mitsui, Naohisa Hirao, Yasuo Ohishi, Ryo Masuda, Yumiko Nakamura, Hirotoshi Enoki, Kouji Sakaki, Makoto Seto
JOURNAL OF SYNCHROTRON RADIATION 16 723 - 729 2009.11
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Synchrotron-Radiation-Based Mossbauer Spectroscopy
Makoto Seto, Ryo Masuda, Satoshi Higashitaniguchi, Shinji Kitao, Yasuhiro Kobayashi, Chika Inaba, Takaya Mitsui, Yoshitaka Yoda
PHYSICAL REVIEW LETTERS 102 ( 21 ) 2009.5
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Iron-specific phonon density of states in the superconductors LaFeAsO(1-x)F(x) and La(1-x)Ca(x)FePO
Satoshi Higashitaniguchi, Makoto Seto, Shinji Kitao, Yasuhiro Kobayashi, Makina Saito, Ryo Masuda, Takaya Mitsui, Yoshitaka Yoda, Yoichi Kamihara, Masahiro Hirano, Hideo Hosono
PHYSICAL REVIEW B 78 ( 17 ) 5 - 0 2008.11
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Development of neV-Resolution Spectroscopy Using Synchrotron-Based Fe-57 Mossbauer Radiation
Ryo Masuda, Takaya Mitsui, Shinji Kita, Satoshi Higashitaniguchi, Yoshitaka Yoda, Makoto Seto
JAPANESE JOURNAL OF APPLIED PHYSICS 47 ( 10 ) 8087 - 8090 2008.10
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Conversion electron and X-ray Mossbauer spectroscopies using synchrotron radiation
Takaya Mitsui, Makoto Seto, Ryo Masuda, Yasuhiro Kobayashi, Shinji Kitao
JAPANESE JOURNAL OF APPLIED PHYSICS 47 ( 9 ) 7136 - 7139 2008.9
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Variable-frequency nuclear monochromator using single-line pure nuclear bragg reflection of oscillating (FeBO3)-Fe-57 single crystal
Takaya Mitsui, Makoto Seto, Ryo Masuda
JAPANESE JOURNAL OF APPLIED PHYSICS PART 2-LETTERS & EXPRESS LETTERS 46 ( 36-40 ) L930 - L932 2007.10
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High-energy-resolution monochromator for nuclear resonant scattering of synchrotron radiation by Te-125 at 35.49 keV
Yasuhiko Imai, Yoshitaka Yoda, Shinji Kitao, Ryo Masuda, Satoshi Higashitaniguchi, Chika Inaba, and Makoto Seto
Proceedings of SPIE 6705 670512 2007.9
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Synchrotron radiation Mossbauer spectroscopy using Doppler-shifted 14.4 keV single-line Fe-57-Mossbauer radiation
Takaya Mitsui, Makoto Seto, Ryo Masuda, Koji Kiriyama, Yasuhiro Kobayashi
JAPANESE JOURNAL OF APPLIED PHYSICS PART 2-LETTERS & EXPRESS LETTERS 46 ( 25-28 ) L703 - L705 2007.7
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Ultrahigh-pressure measurement in the multimegabar range by energy-domain synchrotron radiation Fe-57-Mossbauer spectroscopy using focused X-rays
Takaya Mitsui, Makoto Seto, Naohisa Hirao, Yasuo Ohishi, Yasuhiro Kobayashi, Satoshi Higashitaniguchi, Ryo Masuda
JAPANESE JOURNAL OF APPLIED PHYSICS PART 2-LETTERS & EXPRESS LETTERS 46 ( 12-16 ) L382 - L384 2007.4
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Dependence of Incoherent Nuclear Resonant Scattering of Synchrotron Radiation on the Number of Resonant Nuclei
Ryo Masuda
2007.3
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Dependence of Incoherent Nuclear Resonant Scattering of Synchrotron Radiation on the Number of Resonant Nuclei
Ryo Masuda, Shinji Kitao, Yasuhiro Kobayashi, Makoto Seto, Rie Haruki, Xiao-Wei Zhang, and Shunji Kishimoto
Journal of Physical Society of Japan 76 023710 2007.2
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Generation and application of ultrahigh monochromatic x-ray using high-quality (FeBO3)-Fe-57 single crystal
Takaya Mitsui, Makoto Seto, Seishi Kikuta, Naohisa Hirao, Yasuo Ohishi, Humihiko Takei, Yasuhiro Kobayashi, Shinji Kitao, Satoshi Higashitaniguchi, Ryo Masuda
JAPANESE JOURNAL OF APPLIED PHYSICS PART 1-REGULAR PAPERS BRIEF COMMUNICATIONS & REVIEW PAPERS 46 ( 2 ) 821 - 825 2007.2
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Nuclear Resonant Scattering of Synchrotron Radiation by Yb Nuclides
Ryo Masuda, Satoshi Higashitaniguchi, Shinji Kitao, Yasuhiro Kobayashi, Makoto Seto, Takaya Mitsui, Yoshitaka Yoda, Rie Haruki, and Shunji Kishimoto
Journal of Physical Society of Japan 75 094716 2006.9
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Nuclear excitation by electron transition on Au-197 by photoionization around the K-absorption edge
S. Kishimoto, Y. Yoda, Y. Kobayashi, S. Kitao, R. Haruki, R. Masuda, M. Seto
PHYSICAL REVIEW C 74 ( 3 ) 4 - 0 2006.9
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Nuclear resonant scattering of synchrotron radiation by Gd-158
T Mitsui, R Masuda, S Kitao, M Seto
JOURNAL OF THE PHYSICAL SOCIETY OF JAPAN 74 ( 11 ) 3122 - 3123 2005.11