| 气体放电等离子体特性测量I-V曲线不对称性的研究 |
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| 引用本文： | 张洪志,崔海峰,姚斌.气体放电等离子体特性测量I-V曲线不对称性的研究[J].物理实验,2006,26(7):34-38. |
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| 作者姓名： | 张洪志 崔海峰 姚斌 |
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| 作者单位： | 吉林大学物理学院 吉林长春130021 |
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| 摘 要： | 利用气体放电双探针法研究了等离子体的I-V曲线中的电流I相对于电压V轴交点的不对称性,并提出2种可能的解释:一认为是由于两探针表面积不同引起的;二认为是由于探针所在处等离子体电位不等引起的.本文利用仪器的工艺误差和调换放电管电压的方法,对提出的2种可能原因分别进行验证,并指出第二种解释的合理性,并对其进行了理论分析.
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| 关 键 词： | 气体放电 等离子体 双探针 放电电压 |
| 文章编号： | 1005-4642（2006）07-0034-05 |
| 收稿时间： | 2005-05-31 |
| 修稿时间： | 2006-04-21 |
Investigations on I-V curve asymmetry of the plasma in gas discharge |
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| ZHANG Hong-zhi, CUI Hai-feng, YAO Bin.Investigations on I-V curve asymmetry of the plasma in gas discharge[J].Physics Experimentation,2006,26(7):34-38. |
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| Authors: | ZHANG Hong-zhi CUI Hai-feng YAO Bin |
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| Institution: | Department of Physics, Jilin University, Changchun 130021, China |
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| Abstract: | The I-V curve of the plasma in gas discharge is measured using dual probe method,and an asymmetry of I-V curve is observed.The asymmetry may be caused by the different surface area of the two probes or by the different electric potential of the two probes in the plasma,but theoretical analysis and experimental results indicated that the different electronic potential is responsible for the asymmetry. |
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| Keywords: | gas discharge plasma dual probe discharge voltage |
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