Search Results - "Maeda, Kuniko"

Miller Fisher syndrome following BNT162b2 mRNA coronavirus 2019 vaccination by Nishiguchi, Yamato, Matsuyama, Hirofumi, Maeda, Kuniko, Shindo, Akihiro, Tomimoto, Hidekazu

“…Background The coronavirus disease 2019 (COVID-19) pandemic, caused by severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2), began in late 2019. One of…”
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Strong X-Ray Emission from Electrified Insulators by INADA, Nobuya, MAEDA, Kuniko, KAWAI, Jun

“…Terasawa reported strong X-ray emission from charged-up insulators, and proposed an X-ray production device only using the electrification. We constructed a…”
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High resolution soft X-ray absorption spectroscopy for the chemical state analysis of Mn by Kawai, Jun, Mizutani, Yoshinobu, Sugimura, Tetsuro, Sai, Makoto, Higuchi, Tohru, Harada, Yoshihisa, Ishiwata, Yoichi, Fukushima, Akiko, Fujisawa, Masami, Watanabe, Masamitsu, Maeda, Kuniko, Shin, Shik, Gohshi, Yohichi

“…Mn L 2,3 X-ray absorption spectra of various manganese compounds were measured using a synchrotron radiation facility. Very high-resolution spectra were…”
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Depth-Selective Chemical State Analysis of Fine Particles Using X-ray Absorption by Kawai, Jun, Hayakawa, Shinjiro, Esaka, Fumitaka, Zheng, Songyan, Kitajima, Yoshinori, Maeda, Kuniko, Adachi, Hirohiko, Gohshi, Yohichi, Furuya, Keiichi

“…A new chemical state analysis method for fine particle powders-depth-selective X-ray absorption fine structure spectrometry has been developed. Examples are…”
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Inelastic Mean Free Path of Photoelectrons in Ag Determined by Total Reflection X-Ray Photoelectron Spectroscopy by KAWAI, Jun, ADACHI, Hirohiko, KITAJIMA, Yoshinori, MAEDA, Kuniko, HAYAKAWA, Shinjiro, GOHSHI, Yohichi

“…X-Ray photoelectron spectra were measured when the excited X-rays were impinged on a Ag surface with a grazing angle. The spectral backgrounds owing to the…”
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Determination of the mass resolution and the depth resolution of time of flight elastic recoil detection analysis using heavy ion beams by HONG, W, HAYAKAWA, S, MAEDA, K, FUKUDA, S, YANOKURA, M, ARATANI, M, KIMURA, K, GOHSHI, Y, TANIHATA, I

“…The mass resolution and the depth resolution of the time of flight elastic recoil detection analysis (TOF-ERDA) system for a Si wafer sample have been…”
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Improvement in the detection limits of elastic recoil detection analysis (ERDA) using a time-of-flight detection by HONG, W, HAYAKAWA, S, MAEDA, K, FUKUDA, S, YANOKURA, M, ARATANI, M, KIMURA, K, GOHSHI, Y, TANIHATA, I

“…The detection limits of oxygen and silicon in a SiO 2 sample were compared between a time-of-flight elastic recoil detection analysis (TOF-ERDA) and…”
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Erratum: ‘‘Sample current maximum at the critical angle of x-ray total reflection’’ [Appl. Phys. Lett. 63, 269 (1993)] by Kawai, Jun, Hayakawa, Shinjiro, Suzuki, Setsuo, Kitajima, Yoshinori, Takata, Yasutaka, Urai, Teruo, Maeda, Kuniko, Fujinami, Masanori, Hashiguchi, Yoshihiro, Gohshi, Yohichi

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Imaging-Plate X-Ray Spectrometer for High-Resolution Particle-Induced X-Ray Emission by KAWAI, Jun, MAEDA, Kuniko, YAMANE, Takahisa

“…This is the first report concerning the use of an imaging plate for the X-ray detector of an X-ray spectrometer. The particle-induced X-ray emission (PIXE)…”
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Development of a High Mass-Resolution TOF-ERDA System for a Wide Mass Range from Hydrogen to Middle Heavy Elements by Hong, Wan, Hayakawa, Shinjiro, Maeda, Kuniko, Fukuda, Shigekazu, Yanokura, Minoru, Aratani, Michi, Kimura, Kazue, Gohshi, Yohichi, Tanihata, Isao

“…A new ERDA system using time of flight (TOF) detection was set up to realize both higher mass resolution and lower detection limit in RIEKN. The TOF…”
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Surface Sensitive X-ray Absorption Fine Structure Measurement Using Sample Current Induced by Totally Reflected X-rays by KAWAI, Jun, HAYAKAWA, Shinjiro, KITAJIMA, Yoshinori, SUZUKI, Setsuo, MAEDA, Kuniko, URAI, Teruo, ADACHI, Hirohiko, TAKAMI, Michio, GOHSHI, Yohichi

“…X-ray induced current intensity and Auger electron intensity of a GaAs wafer are measured as a function of the angle of incidence of the x-rays of 2-keV photon…”
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Determination of the structure of boron subphosphide by P Kβ X-ray fluorescence spectra by Liu, Zhenlin, Kawamura, Junichi, Nagasono, Mitsuru, Maeda, Kuniko, Kawai, Jun

“…High-resolution P Kβ X-ray fluorescence (XRF) spectra of boron subphosphide have been measured and three peaks are distinguished in the broad feature around…”
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Rapid chemical state analysis in air by highly sensitive high-resolution PIXE using a v. Hamos crystal spectrometer by Maeda, Kuniko, Hasegawa, Kenichi, Maeda, Masaru, Ogiwara, Kiyoshi, Hamanaka, Hiromi

“…A high‐resolution PIXE system composed of a curved crystal and a position‐sensitive proportional counter in v. Hamos geometry was constructed for rapid…”
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Total reflection X-ray photoelectron spectroscopy by Kawai, Jun, Hayakawa, Shinjiro, Kitajima, Yoshinori, Maeda, Kuniko, Gohshi, Yohichi

“…We have measured x-ray photoelectron spectra of Au Si wafer and SiO 2 Si wafer using grazing incidence x-rays. The spectral profiles have drastically changed…”
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Influence of sample charging on satellite spectra during particle induced X-ray emission analysis by Maeda, Kuniko, Hamanaka, Hiromi

“…We demonstrate how the fine structures of particle induced X-ray emission spectra are influenced by build up of charge in insulating materials. We have…”
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高速液体クロマトグラフィーによる塩酸アロチノロール及びその代謝物の対掌体の分離 by 土井, 侃, 小林, 章, 前田, 久仁子

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Study of sample charging effects on satellite spectra of Ca Kα by means of high-resolution PIXE by Hamanaka, Hiromi, Hasegawa, Ken-ichi, Maeda, Kuniko

“…High resolution PIXE was applied to measure a sample charging effect on satellite spectra of Ca Kα. A Ca diagram line KL 0) of 3690 eV was observed mainly with…”
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An attempt to analyze fish otoliths by in-air PIXE by Arai, Nobuaki, Sakamoto, Wataru, Maeda, Kuniko

“…Fish otoliths are generally composed of aragonite crystals. A large number of trace elements such as Sr, Fe, Mn, and Zn are included in the crystal…”
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Light element analysis in steel by high–energy heavy–ion time of flight elastic recoil detection analysis by Hong, Wan, Hayakawa, Shinjiro, Maeda, Kuniko, Fukuda, Shigekazu, Gohshi, Yohichi

“…Time of flight elastic recoil detection analysis (TOF–ERDA) using high–energy heavy ions has been applied to determining the composition of light elements in…”
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Strong X-ray emission due to electrification by Kawai, Jun, Maeda, Kuniko, Sakauchi, Naofumi, Konishi, Ikuo

“…Peisach and his co-workers reported in 1993 an enhancement effect of PIXE (particle-induced X-ray emission) spectra for fluorides. We have measured Ni Kα X-ray…”
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