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Vacuum Outgassing Behavior of Carbon Nanotube Cathode with High-Intensity Pulsed Electron Emission

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【作者】 谌怡； 张篁； 夏连胜； 刘星光； 潘海峰； 吕璐； 杨安民； 石金水； 章林文； 邓建军；

【Author】 SHEN Yi;ZHANG Huang;XIA Liansheng;LIU Xingguang;PAN Haifeng;LV Lu;YANG Anmin;SHI Jinshui;ZHANG Linwen;DENG Jianjun;Institute of Fluid Physics,Key Laboratory of Pulsed Power,China Academy of Engineering Physics;

【机构】 Institute of Fluid Physics,Key Laboratory of Pulsed Power,China Academy of Engineering Physics；

【摘要】 Experimental investigations on the vacuum outgassing of a carbon nanotube(CNT)cathode with high-intensity pulsed electron emission on a 2 MeV linear induction accelerator injector are presented.Under the 1.60 MV diode voltage,the CNT cathode could provide 1.67 kA electron beam with the amount of outgassing of about 0.51 Pa-L.It is found that the amount of outgassing,which determines the cathode emission current,depends on the diode voltage and the vacuum.

【Abstract】 Experimental investigations on the vacuum outgassing of a carbon nanotube(CNT)cathode with high-intensity pulsed electron emission on a 2 MeV linear induction accelerator injector are presented.Under the 1.60 MV diode voltage,the CNT cathode could provide 1.67 kA electron beam with the amount of outgassing of about 0.51 Pa-L.It is found that the amount of outgassing,which determines the cathode emission current,depends on the diode voltage and the vacuum.

【关键词】 carbon nanotube cathode； vacuum outgassing； cathode plasma； high-intensity electron beam； plasma-induced field emission；
【Key words】 carbon nanotube cathode； vacuum outgassing； cathode plasma； high-intensity electron beam； plasma-induced field emission；
  • 【文献出处】 Plasma Science and Technology ,等离子体科学和技术(英文版) , 编辑部邮箱 ,2015年02期
  • 【分类号】O462
  • 【被引频次】1
  • 【下载频次】12
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