Plasma Oscillations Excited by a Fast Electron in a Metallic Particle
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概要
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The interactions between a fast incident electron and a metallic spherical particle full of a free electron gas as the conduction electrons are studied using the hydrodynamic equations of Bloch. The obtained energy spectrum of a transmitted electron is composed of the well known peak due to the bulk plasma oscillations with small corrections and the peak due to the surface plasma oscillations which are given by sum of various modes of oscillations with different energies. The energy value of the surface oscillations at maximum intensity increases with increasing particle size and tends to that in the foil case. Numerical examples are given for aluminum particle coated with aluminum oxide and for colloidal alkali metal in alkali halide. The latter example is compared with experimental observations. The possibility of the plasma radiation is also discussed. The radiated photon energy is the same as that in the Mie scattering from small particle. Energy spectrum, angular distribution and photon yield are numerically calculated in the case of aluminum.
- 社団法人日本物理学会の論文
- 1968-12-05
著者
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Fujimoto Fuminori
College of General Education, University of Tokyo
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Komaki Ken-ichiro
College of General Education, University of Tokyo
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Komaki Ken-ichiro
College Of General Education University Of Tokyo
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Komaki Ken-ichiro
College Of Arts And Sciences University Of Tokyo
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Fujimoto Fuminori
College Of General Education University Of Tokyo
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FUJIMOTO Fuminori
College of Arts and Sciences, University of Tokyo:(Present address)Institute of Scientific and Industrial Research, Osaka University
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