引用本文:
Li WANG, Hai Yang LI, Ji Ling BAI, Dong Xu DAI, Ju Long SUN, Ri Chang LU. Laser Induced Photoelectron Impact Ionization In Multiphoton Ionization Process[J]. Chinese Chemical Letters,
1997, 8(11): 1007-1010.
Citation: Li WANG, Hai Yang LI, Ji Ling BAI, Dong Xu DAI, Ju Long SUN, Ri Chang LU. Laser Induced Photoelectron Impact Ionization In Multiphoton Ionization Process[J]. Chinese Chemical Letters, 1997, 8(11): 1007-1010.
Citation: Li WANG, Hai Yang LI, Ji Ling BAI, Dong Xu DAI, Ju Long SUN, Ri Chang LU. Laser Induced Photoelectron Impact Ionization In Multiphoton Ionization Process[J]. Chinese Chemical Letters, 1997, 8(11): 1007-1010.
Laser Induced Photoelectron Impact Ionization In Multiphoton Ionization Process
摘要:
Multiply charged ions of Ar and NO were observed in MPI experiment of NO/Ar with TOF-MS.A delayable pulsed acceleration field was applied to investigate the effect of the photoelectrons on the formation of the multiply charged ions.The multiply charged ions were suggested to be produced by photoelectron impact ionization,in the region between the extractor grid and the repeller plate,step by step,from neutral species and lower charged ions.The 50-60ns of FWHM of the ion peaks implies that the pulse width of the photoelectrons should be shorter considering the broadening effect during the ionization process.
English
Laser Induced Photoelectron Impact Ionization In Multiphoton Ionization Process
Abstract:
Multiply charged ions of Ar and NO were observed in MPI experiment of NO/Ar with TOF-MS.A delayable pulsed acceleration field was applied to investigate the effect of the photoelectrons on the formation of the multiply charged ions.The multiply charged ions were suggested to be produced by photoelectron impact ionization,in the region between the extractor grid and the repeller plate,step by step,from neutral species and lower charged ions.The 50-60ns of FWHM of the ion peaks implies that the pulse width of the photoelectrons should be shorter considering the broadening effect during the ionization process.
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