Search Results - "KAWAMURA, Naomi"

Highly-sensitive Analysis of Fluorescence XANES at Europium (Eu) LIII-edge for the Determination of Oxidation State for Trace Amount of Eu in Natural Samples by Bragg-type Crystal Analyzer System by Konagaya, Rimi, Kawamura, Naomi, Yamaguchi, Akiko, Takahashi, Yoshio

“…X-ray absorption near-edge structure (XANES) spectra for trace amount of Eu (<1 mg/kg) in natural samples were determined in fluorescence mode using a…”
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Application of High-Energy-Resolution X‑ray Absorption Spectroscopy at the U L3‑Edge to Assess the U(V) Electronic Structure in FeUO4 by Yomogida, Takumi, Akiyama, Daisuke, Ouchi, Kazuki, Kumagai, Yuta, Higashi, Kotaro, Kitatsuji, Yoshihiro, Kirishima, Akira, Kawamura, Naomi, Takahashi, Yoshio

“…FeUO4 was studied to clarify the electronic structure of U­(V) in a metal monouranate compound. We obtained the peak splitting of spectra utilizing…”
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Colossal negative thermal expansion in BiNiO3 induced by intermetallic charge transfer by Azuma, Masaki, Chen, Wei-tin, Seki, Hayato, Czapski, Michal, Olga, Smirnova, Oka, Kengo, Mizumaki, Masaichiro, Watanuki, Tetsu, Ishimatsu, Naoki, Kawamura, Naomi, Ishiwata, Shintaro, Tucker, Matthew G., Shimakawa, Yuichi, Attfield, J. Paul

“…The unusual property of negative thermal expansion is of fundamental interest and may be used to fabricate composites with zero or other controlled thermal…”
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Temperature Dependence of Yb Valence in an Au–Al–Yb Intermediate-Valence Quasicrystal Investigated by Yb L3-Edge X-ray Absorption Near-Edge Structure Spectroscopy by Watanuki, Tetsu, Mizumaki, Masaichiro, Watanabe, Shinji, Kawamura, Naomi, Nitta, Kiyofumi, Machida, Akihiko, Ishimasa, Tsutomu

“…In this paper, we investigate the temperature dependence of Yb valence in an Au–Al–Yb intermediate-valence quasicrystal by Yb L3-edge synchrotron X-ray…”
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Glitch-free X-ray absorption spectrum under high pressure obtained using nano-polycrystalline diamond anvils by Ishimatsu, Naoki, Matsumoto, Ken, Maruyama, Hiroshi, Kawamura, Naomi, Mizumaki, Masaichiro, Sumiya, Hitoshi, Irifune, Tetsuo

“…Nano‐polycrystalline diamond (NPD) [Irifune et al. (2003), Nature (London), 421, 599] has been used to obtain a glitch‐free X‐ray absorption spectrum under…”
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Magnetic Properties and Lattice Dynamics in Non-doped and Si-doped Type-I Clathrate Eu8Ga16Ge30 Studied by 151Eu Mössbauer Effect and Magnetic Circular Dichroism by Tsutsui, Satoshi, Kobayashi, Yoshio, Mizumaki, Masaichiro, Kawamura, Naomi, Kubo, Michael K, Ikeda, Shugo, Kobayashi, Hisao, Yoda, Yoshitaka, Onimaru, Takahiro, Avila, Marcos A, Takabatake, Toshiro

“…Combined experiments by 151Eu Mössbauer spectroscopy using a radioactive source, and 151Eu nuclear resonant inelastic scattering (NRIS) and Eu L-edge magnetic…”
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Regional Antimicrobial Stewardship Program in a Provincial Medical Zone in Japan: a Multifaceted Approach by Inoue, Kenji, Kobayashi, Seiichi, Sato, Keigo, Kanno, Hitoshi, Kantou, Rina, Naganuma, Yuka, Kawamura, Naomi, Oike, Yasunori, Kobayashi, Michio, Yanai, Masaru, Suzuki, Akira, Kurai, Hanako, Miyairi, Isao, Kutsuna, Satoshi, Gu, Yoshiaki

“…Antimicrobial resistance (AMR) is a threat to patient health. However, data to optimize antimicrobial use are limited. Furthermore, reducing antibiotic use…”
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Local Structural Analysis around Solute-Element in Annealed Mg99.2Zn0.2Y0.6 Alloy Using X-ray Fluorescence Holography by Kimura, Koji, Egusa, Daisuke, Hagihara, Koji, Happo, Naohisa, Kawamura, Naomi, Tajiri, Hiroo, Hayashi, Kouichi, Abe, Eiji

“…X-ray fluorescence holography was applied to dilute Mg99.2Zn0.2Y0.6 alloy annealed at 520°C for 5 h to obtain atomic images around Zn atom. In spite of the…”
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Effect of Ligand on the Electronic State of Gold in Ligand-Protected Gold Clusters Elucidated by X‑ray Absorption Spectroscopy by Matsuyama, Tomoki, Hirayama, Jun, Fujiki, Yu, Kikkawa, Soichi, Kurashige, Wataru, Asakura, Hiroyuki, Kawamura, Naomi, Negishi, Yuichi, Nakatani, Naoki, Hatada, Keisuke, Ota, Fukiko, Yamazoe, Seiji

“…Gold (Au) clusters with well-defined geometrical structures have attracted substantial attention due to their unique optical and catalytic properties, which…”
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BL09XU: an advanced hard X-ray photoelectron spectroscopy beamline of SPring-8 by Yasui, Akira, Takagi, Yasumasa, Osaka, Taito, Senba, Yasunori, Yamazaki, Hiroshi, Koyama, Takahisa, Yumoto, Hirokatsu, Ohashi, Haruhiko, Motomura, Koji, Nakajima, Kyo, Sugahara, Michihiro, Kawamura, Naomi, Tamasaku, Kenji, Tamenori, Yusuke, Yabashi, Makina

“…The BL09XU beamline of SPring-8 has been reorganized into a beamline dedicated for hard X-ray photoelectron spectroscopy (HAXPES) to provide advanced…”
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High-Energy Resolution Fluorescence Detected X-ray Absorption Spectroscopy for the Speciation of Fe in Aerosol Samples by Sachika Natori, Minako Kurisu, Naomi Kawamura, Yoshio Takahashi

“…In this study, we compared the high-energy resolution X-ray fluorescence X-ray absorption near-edge structure (HERFD-XANES) and normal XANES spectra of various…”
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Tilting and rotational motions of silver halide crystal with diffracted X-ray blinking by Kuramochi, Masahiro, Omata, Hiroki, Ishihara, Masaki, Hanslin, Sander Ø., Mizumaki, Masaichiro, Kawamura, Naomi, Osawa, Hitoshi, Suzuki, Motohiro, Mio, Kazuhiro, Sekiguchi, Hiroshi, Sasaki, Yuji C.

“…The dynamic properties of crystalline materials are important for understanding their local environment or individual single-grain motions. A new time-resolved…”
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Chemically Induced Permanent Magnetism in Au, Ag, and Cu Nanoparticles:  Localization of the Magnetism by Element Selective Techniques by Garitaonandia, José S, Insausti, Maite, Goikolea, Eider, Suzuki, Motohiro, Cashion, John D, Kawamura, Naomi, Ohsawa, Hitoshi, Gil de Muro, Izaskun, Suzuki, Kiyonori, Plazaola, Fernando, Rojo, Teofilo

“…We report a direct observation of the intrinsic magnetization behavior of Au in thiol-capped gold nanoparticles with permanent magnetism at room temperature…”
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Reversible changes of epitaxial thin films from perovskite LaNiO3 to infinite-layer structure LaNiO2 by Kawai, Masanori, Inoue, Satoru, Mizumaki, Masaichiro, Kawamura, Naomi, Ichikawa, Noriya, Shimakawa, Yuichi

“…An infinite-layer-structure epitaxial thin film of LaNiO2 was prepared by low-temperature reduction with CaH2 from a LaNiO3 epitaxial thin film grown on a…”
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Giant gate modulation of antiferromagnetic spin reversal by the magnetoelectric effect by Ujimoto, Kakeru, Sameshima, Hiroki, Toyoki, Kentaro, Moriyama, Takahiro, Nakamura, Kohji, Kotani, Yoshinori, Suzuki, Motohiro, Iino, Ion, Kawamura, Naomi, Nakatani, Ryoichi, Shiratsuchi, Yu

“…In this study, using the Pt/Cr 2 O 3 /Pt epitaxial trilayer, we demonstrate the giant voltage modulation of the antiferromagnetic spin reversal and the…”
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Pressure-Driven Spin Crossover Involving Polyhedral Transformation in Layered Perovskite Cobalt Oxyfluoride by Tsujimoto, Yoshihiro, Nakano, Satoshi, Ishimatsu, Naoki, Mizumaki, Masaichiro, Kawamura, Naomi, Kawakami, Takateru, Matsushita, Yoshitaka, Yamaura, Kazunari

“…We report a novel pressure-driven spin crossover in layered cobalt oxyfluoride Sr 2 CoO 3 F with a distorted CoO 5 square pyramid loosely bound with a fluoride…”
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Development of serial X‐ray fluorescence holography for radiation‐sensitive protein crystals by Ang, Artoni Kevin R., Umena, Yasufumi, Sato-Tomita, Ayana, Shibayama, Naoya, Happo, Naohisa, Marumi, Riho, Yamamoto, Yuta, Kimura, Koji, Kawamura, Naomi, Takano, Yu, Matsushita, Tomohiro, Sasaki, Yuji C., Shen, Jian-Ren, Hayashi, Kouichi

“…X‐ray fluorescence holography (XFH) is a powerful atomic resolution technique capable of directly imaging the local atomic structure around atoms of a target…”
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Microtubule-organizing center-mediated structural atypia in low- and high-grade urothelial carcinoma by Murata, Shin-ichi, Kuroda, Masayo, Kawamura, Naomi, Warigaya, Kenji, Musangile, Fidele Yambayamba, Matsuzaki, Ibu, Kojima, Fumiyoshi

“…Urothelial carcinoma (UC) comprises two subtypes, low grade (LG-UC) and high grade (HG-UC), with different pathological and clinical behavior. LG-UC and HG-UC…”
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Mapping Platinum Species in Polymer Electrolyte Fuel Cells by Spatially Resolved XAFS Techniques by Takao, Shinobu, Sekizawa, Oki, Nagamatsu, Shin-ichi, Kaneko, Takuma, Yamamoto, Takashi, Samjeské, Gabor, Higashi, Kotaro, Nagasawa, Kensaku, Tsuji, Takuya, Suzuki, Motohiro, Kawamura, Naomi, Mizumaki, Masaichiro, Uruga, Tomoya, Iwasawa, Yasuhiro

“…There is limited information on the mechanism for platinum oxidation and dissolution in Pt/C cathode catalyst layers of polymer electrolyte fuel cells (PEFCs)…”
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X-ray Magnetic Circular Dichroism of Size-Selected, Thiolated Gold Clusters by Negishi, Yuichi, Tsunoyama, Hironori, Suzuki, Motohiro, Kawamura, Naomi, Matsushita, Michio M, Maruyama, Koichi, Sugawara, Tadashi, Yokoyama, Toshihiko, Tsukuda, Tatsuya

“…We report herein the X-ray magnetic circular dichroism (XMCD) at the Au L2,3 edges of a series of Au clusters protected by glutathione (GSH). The samples used…”
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