Electron Spectroscopy Using a Gas-Flow Proportional Counter under Gaseous Environment and its Application to X-Ray absorption fine structure Measurements
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概要
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A gas flow proportional counter was utilized for electron spectroscopy under a gaseous environment. The kinetic energy of the electron can be measured as the number of conversion electrons created from a single primary electron. The energy distributions of the emitted electrons were measured from a Ni foil placed inside the electron counter with monochromatized Cu Kα and Kβ X-ray excitation. The resultant spectra show clear evidence of a Ni K shell threshold due to the presence of Ni KLL Auger electrons. The energy resolution (full width at half maximum) of the electron counter was about 2.5 keV for 8 keV X-rays and electrons. The electron counter was utilized for x-ray absorption fine structure (XAFS) measurements, and an XAFS spectrum of sufficiently high quality for further analysis was obtained using a conventional X-ray source. The advantage of the electron counter is its high sensitivity and high signal-to-background ratio especially when electrons with special kinetic energy are collected.
- 社団法人応用物理学会の論文
- 1999-04-15
著者
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Hayakawa S
Department Of Applied Chemistry School Of Engineering The University Of Tokyo
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Hayakawa Shinjiro
Department Of Applied Chemistry Graduate School Of Engineering Hiroshima University
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Gohshi Yohichi
Department Of Applied Chemistry School Of Engineering The University Of Tokyo
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ISHII Ichiro
Department of Applied Chemistry, School of Engineering, The University of Tokyo
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NODA Junzo
Department of Applied Chemistry, School of Engineering, The University of Tokyo
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Noda J
Department Of Applied Chemistry School Of Engineering The University Of Tokyo
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Gohshi Yohichi
Department Of Applied Chemistry Faculty Of Engineering The University Of Tokyo
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Ishii Ichiro
Department Of Applied Chemistry School Of Engineering The University Of Tokyo
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- Preface
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