Electron-stimulated Desorption of Kr2+ Ions from the Surface of Solid Kr (第32回真空に関する連合講演会プロシ-ディングス)
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概要
- 論文の詳細を見る
When low-energy electrons or photons (10-1000 eV) impinge on a surface of a rare-gas solid (RGS), desorption of ions, neutrals, and molecules can occur together with other processes. The desorption is due to an initial electronic excitation and a subsequent transformation of the excitation energy into kinetic energy of a desorbed atom. This phenomenon is called DIET (desorption induced by electronic transitions) : DIET by electron impact and photon impact are well known as ESD (electron-stimulated desorption) and PSD (photonstimulated desorption), respectively. Few studies of DIET of ions from RGS have been reported. In the investigation of ESD of H<SUB>2</SUB> physisorbed on condensed Xe, Arakawa and Tuzi found that ESD of ions (Xe<SUP>+</SUP>, Xe<SUP>2+</SUP>) and neutrals from condensed Xe could occur. Sakurai <I>et al.</I> reported the PSD of ions from the surface of solid Ar, Kr, and Xe. Dujardin <I>et al.</I> reported that electronically excited ions (Ar<SUP>+*</SUP>) and doubly charged ions (Ar<SUP>2+</SUP>) might be primary excited states which lead to desorption of Ar<SUP>+</SUP> from solid Ar. Menzel reported that the desorption of singly and doubly charged Kr ions occurs due to core ionization. They suggested that the kinetic energy of a desorbed ion was caused by Coulomb repulsion between adjacent ions which were formed by charge exchange between an initial multiply excited atom and its ground-state neighbor or by the deexcitation of doubly charged ionic dimers.
- 日本真空協会の論文
- 1992-03-20
著者
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Hirayama Takato
Department Of Physics Gakushuin University
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平山 孝人
Department of Physics, Gakushuin University
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ARAKAWA Ichiro
Department of Partial and Complete Denture, School of Life Dentistry at Tokyo, The Nippon Dental Uni
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Arakawa Ichiro
Department Of Partial And Complete Denture School Of Life Dentistry At Tokyo The Nippon Dental Unive
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Hoshino Akira
Department Of Physics Gakushuin University
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Hoshino Akira
Department Of Neurology Aichi Medical University School Of Medicine
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荒川 一郎
Department of Physics, Gakushuin Univerisly
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星野 晶
Department of Physics, Gakushuin University
関連論文
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- EXCITON INITIATED DESORPTION OF EXCITED DIMER FROM THE SURFACE OF SOLID Ne BY PHOTON EXCITATION
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- The Electron-Beam Ion Trap Experimental Program
- INFLUENCE OF IMPURITY ADSORPTION ON DESORPTION INDUCED BY ELECTRONIC TRANSITIONS FROM RARE GAS SOLIDS
- Electron-stimulated Desorption of Kr2+ Ions from the Surface of Solid Kr (第32回真空に関する連合講演会プロシ-ディングス)
- Differences in masticatory function of subjects with different closing path
- Masticatory path pattern during mastication of chewing gum with regard to gender difference
- Experimental Problems in the Application of Ellipsometry for the Study of Phase Transition in a Physisorption System
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- A New Ionization Gauge with Bessel-Box-type Energy Analyzer
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- Summary Abstract
- Gender difference in masticatory performance in dentate adults
- Influence of two masticating conditions on assessment of movement path stability
- Differences in masticatory function of subjects with different closing path
- Usefulness of indicators for stability of masticatory movement path