| 钡钨阴极与钪系阴极的表面研究 |
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| 引用本文： | 王亦曼 黄林. 钡钨阴极与钪系阴极的表面研究[J]. 真空电子技术, 1992, 0(4): 9-13 |
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| 作者姓名： | 王亦曼 黄林 |
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| 作者单位： | 机电部12所表面分析中心 北京100016 |
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| 摘 要： | 利用表面分析技术对 Ba-W 阴极和钪系阴极激活前、后和遭受离子轰击后表面元素及其化学态的变化以及它们与发射性能的相互关系进行了分析研究。分析结果有助于对阴极性能、它们对不同器件的适用性以及工作机理的进一步认识。
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| 关 键 词： | 钪系 阴极 钡 钨 |
Surface Studies on Ba-W Impregnated Dispenser Cathode and Scandate-type Cathodes |
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| Wang Yiman Huang Lin Wu Yongde Bai Lifang. Surface Studies on Ba-W Impregnated Dispenser Cathode and Scandate-type Cathodes[J]. Vacuum Electronics, 1992, 0(4): 9-13 |
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| Authors: | Wang Yiman Huang Lin Wu Yongde Bai Lifang |
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| Abstract: | Composition and chemical states of elements presented on the surface of Ba-W impregnated cathode and two types of scandate cathodes have been investigated with XPS before and after activation and ion bombardment.After being related to the emission performance,the results provided some ideas for a correct selection of different cathodes in practical applicatio- ns and a better understanding of operating mechanism for scandate-type cathodes. |
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| Keywords: | scartdate-type cathode dispenser cathode surface composition chemical states of element XPS binding energy activation ion bombardment |
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