Using short pulses to enhance the production rate of vibrationally excited hydrogen molecules in hydrogen discharge |
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Authors: | Sun Ji-Zhong Li Xian-Tao Bai Jing Wang De-Zhen |
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Affiliation: | School of Physics and Optoelectronic Technology and College of Advanced Science and Technology, Dalian University of Technology, Dalian 116024, China |
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Abstract: | Hydrogen discharges driven by the combined radio-frequency (rf)/short pulse sources are investigated using the particle-in-cell method. The simulation results show that the discharge driven additionally by the short pulse can enhance the electron density and modulate the electron energy to provide a better condition for negative hydrogen ion production than the discharge driven by the rf-only source. |
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Keywords: | hydrogen discharge particle-in-cell simulation negative hydrogen ion |
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