實用熱陰極的電子初速分布的研究
RESEARCH ON ELECTRON INITIAL VELOCITY DISTRIBUTION OF PRACTICAL THERMIONIC CATHODES
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摘要: 本文利用先加速后減速的拒斥場法研究了兩種實用熱陰極的電子初速分布,并用動態(tài)表面發(fā)射中心理論解釋了氧化物陰極電子初速分布在脈沖強場下分成譜的現(xiàn)象。
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關(guān)鍵詞:
Abstract: Electron initial velocity distribution of two kinds of parctical thermionic cathodes are studied with pre-acclerating-post-deaccelerating type retarding field method. Based on the theory of dynamical surface emission centers, the phenomenon, i.e. the electron initial velocity distribution of the oxide-coated cathode splits into spectrums under strong pulse ele-ctric field, is explained. -
白振綱等,電子學通訊,3(1981), 191.[7]劉學愨、葉毓林,電子學報,1962年,第2期,第23頁.[9]張恩虬,電子學通訊,1977年,第1-2期,第1頁.[10]清華大學無線電系, 陰極參考講義,1964年,第3-15頁. -
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