| PHYSICS OF GASES, PLASMAS, AND ELECTRIC DISCHARGES |
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Observation of Hot Electrons in Surface-Wave Plasmas Excited by Surface Plasmon Polaritons |
| HU Ye-Lin1, CHEN Zhao-Quan1,2**, LIU Ming-Hai2**, HONG Ling-Li1, LI Ping1, ZHENG Xiao-Liang1, XIA Guang-Qing3**, HU Xi-Wei2
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1College of Electrical and Information Engineering, Anhui University of Science and Technology, Huainan 232001
2State Key Laboratory of Advanced Electromagnetic Engineering and Technology, Huazhong University of Science and Technology, Wuhan 430074
3State Key Laboratory of Structure Analysis for Industrical Equipment, Dalian University of Technology, Dalian 116024
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| Cite this article: |
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HU Ye-Lin, CHEN Zhao-Quan, LIU Ming-Hai et al 2011 Chin. Phys. Lett. 28 115201 |
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Abstract The electron energy distribution functions (EEDFs) are studied in the planar-type surface-wave plasma (SWP) caused by resonant excitation of surface plasmon polaritons (SPPs) using a single cylindrical probe. Sustained plasma characteristics can be considered as a bi-Maxwellian EEDF, which correspond to a superposition of the bulk low-temperature electron and the high-energy electron beam-like part. The beam component energy is pronounced at about 10 eV but the bulk part is lower than 3.5 eV. The hot electrons included in the proposed plasmas play a significant role in plasma heating and further affect the discharge chemistry.
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| Keywords:
52.50.Sw
52.40.Fd
52.70.Ds
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Received: 27 June 2011
Published: 30 October 2011
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| PACS: |
52.50.Sw
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(Plasma heating by microwaves; ECR, LH, collisional heating)
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52.40.Fd
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(Plasma interactions with antennas; plasma-filled waveguides)
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52.70.Ds
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(Electric and magnetic measurements)
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