| 低气压直流放电金属铜等离子体 |
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| 引用本文： | 闫东潇,李占贤,崔亚硕,于江涛.低气压直流放电金属铜等离子体[J].核聚变与等离子体物理,2021,41(3):280-283. |
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| 作者姓名： | 闫东潇 李占贤 崔亚硕 于江涛 |
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| 作者单位： | 华北理工大学机械工程学院,唐山 063210;燕山大学机械工程学院,秦皇岛 066000 |
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| 摘 要： | 在原子蒸气激光同位素分离技术中用直流电源实现原子化和激发电离过程，低气压下使用焊锡短路阴、阳极得到了金属铜等离子体稳定射流。在气压10-3Pa、功率0.9kW下，测得稳定放电的伏安特性曲线和光谱强度图。通过计算得到电子密度在109cm-3左右、电子温度在0.69eV左右。
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| 关 键 词： | 直流放电 铜蒸气等离子体 伏安特性曲线 光谱图 |
| 收稿时间： | 2019-12-12 |
Low-pressure copper vapor plasma induced by direct current supply |
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| YAN Dong-xiao,LI Zhan-xian,CUI Ya-shuo,YU Jiang-tao.Low-pressure copper vapor plasma induced by direct current supply[J].Nuclear Fusion and Plasma Physics,2021,41(3):280-283. |
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| Authors: | YAN Dong-xiao LI Zhan-xian CUI Ya-shuo YU Jiang-tao |
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| Institution: | (1. College of Mechanical Engineering, North China University of Science and Technology, Tangshan 063210;2. College of Mechanical Engineering, Yanshan University, Qinhuangdao 066000) |
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| Abstract: | The atomization and excitation ionization processes in atomic vapor laser isotope separation technology are realized by direct current supply and copper plasma stabilized jet is obtained by using solder short circuit cathode and anode under low pressure. Under the pressure of 10-3Pa and power of 0.9kW, the volt-ampere characteristic curve and spectral intensity diagram of stable discharge were measured. It was obtained that the electron density was about 109 cm-3 and the electron temperature was about 0.69eV. |
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| Keywords: | Direct current discharge Copper plasma Volt-ampere characteristic curve Spectra |
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