Surface 4f Level Shift in Yb Metal Studied by ARUPS,Hydrogen and Oxygen Exposures,and Work Function Measurement
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概要
- 論文の詳細を見る
Angle-resolved UPS spectra of 4f levels of Yb metal measured as a functionof electron take-off angles have given a direct confirmation that satellite peaksof the 4f levels are due to the surface Yb atoms. Upon oxygen exposure, thesesurface components of the 4f levels do not show any preferential reduction inintensity and the work function decreases. These suggest the diffusion of adsorbedoxygen atoms underneath the Yb surface. By a mass analysis with hydrogenexr>osure to the Yb surface, it has been found that the surface is hydrogen freeeven though the evaporated Yb film contains hydrogen in the bulk. These factslead to the interpretation that the surface 4f level-shift in Yb metal is not hydrogen-induced but intrinsic.
- 社団法人日本物理学会の論文
- 1984-02-15
著者
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Suzuki Shoji
Department of Cardiovascular Medicine,National Cardiovascular Center
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Takakuwa Yuzi
Department Of Physics Faculty Of Science Tohoku University:research Institute Of Electrical Communic
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SAGAWA Takasi
Department of Physics,Tohoku University
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Takakuwa Yuji
Department Of Physics Faculty Of Sciences Tohoku University
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Sagawa Takasi
Department Of Physics Faculty Of Science Tohoku University
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Suzuki Shoji
Department Of Cardiology Tsukuba Memorial Hospital
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Suzuki Shoji
Department Of Physics Faculty Of Sciences Tohoku University
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YOKOTSUKA Tatsuo
Department of Physics, Faculty of Science, Tohoku University
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Yokotsuka Tatsuo
Department Of Physics Faculty Of Science Tohoku University
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Sagawa Takasi
Department Of Physics Faculty Of Sciences Tohoku University
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SAGAWA Takasi
Department of Physics,Faculty of Science Tohoku University
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SUZUKI Shoji
Department of Physics,Faculty of Science,Tohoku University
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