| Characteristics of Langmuir Probe in Low Temperature, Weakly Magnetized Plasmas |
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| 引用本文： | 吴立其,刘万东,谢锦林,于治,兰涛,欧阳亮,王毅,赵凯. Characteristics of Langmuir Probe in Low Temperature, Weakly Magnetized Plasmas[J]. 等离子体科学和技术, 2003, 5(1): 1615-1618 |
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| 作者姓名： | 吴立其 刘万东 谢锦林 于治 兰涛 欧阳亮 王毅 赵凯 |
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| 作者单位： | DepartmentofModernPhysics,UniversityofScienceandTechnologyofChina,Hefei230027,China |
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| 基金项目： | The project supported by the National Nature Science Foundation of China (No.19975047, No.10075046) |
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| 摘 要： | The systematic Langmuir probe measurements for a weakly magnetized plasma have been carried out in the Linear Magnetized Plasma Device for different magnetic fields. By comparing the ion current density of probes with different sizes, the sheath thickness can be evaluated. It is found that while the ratio of cylindrical probe‘s dimension to ion Larmor radius is not more than 2, the model of probe for non-magnetized plasma is still applicable.
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| 关 键 词： | 弱磁化 等离子体 朗缪尔探测法 布松方程 |
Characteristics of Langmuir Probe in Low Temperature, Weakly Magnetized Plasmas |
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| WU Li-qi,LIU Wan-dong,XIE Jin-lin,YU Zhi LAN Tao,OUYANG Liang WANG Yi ZHAO Kai. Characteristics of Langmuir Probe in Low Temperature, Weakly Magnetized Plasmas[J]. Plasma Science & Technology, 2003, 5(1): 1615-1618 |
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| Authors: | WU Li-qi LIU Wan-dong XIE Jin-lin YU Zhi LAN Tao OUYANG Liang WANG Yi ZHAO Kai |
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| Affiliation: | WU Li-qi,LIU Wan-dong,XIE Jin-lin,YU Zhi LAN Tao,OUYANG Liang WANG Yi ZHAO KaiDepartment of Modern Physics,University of Science and Technology of China,Hefei 230027,China |
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| Abstract: | The systematic Langmuir probe measurements for a weakly magnetized plasma have been carried out in the Linear Magnetized Plasma Device for different magnetic fields. By comparing the ion current density of probes with different sizes, the sheath thickness can be evaluated. It is found that while the ratio of cylindrical probe's dimension to ion Larmor radius is not more than 2, the model of probe for non-magnetized plasma is still applicable. |
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| Keywords: | weakly magnetized plasmas Langmuir probe |
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