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Photoelectron spectroscopy of ammonia via a fast predissociative state
Xie, JC; Jiang, B; Li, GH; Yang, S; Xu, JJ; Sha, GH; Xu, DL; Lou, NQ; Zhang, CH
刊名FARADAY DISCUSSIONS
2000
115期:115页:127-136
收录类别SCI
文章类型Article
部门归属11
项目归属1103
WOS标题词Science & Technology ; Physical Sciences
类目[WOS]Chemistry, Physical
研究领域[WOS]Chemistry
关键词[WOS]MULTIPHOTON IONIZATION ; FLUORESCENCE-SPECTRUM ; 2-PHOTON IONIZATION ; COOLED AMMONIA ; DYNAMICS ; MOLECULES ; ABSORPTION ; IONS ; NH3
英文摘要We report a study on resonance enhanced multiphoton ionization photoelectron spectroscopy (REMPI-PES) involving the fast predissociative (A) over tilde state of ammonia, using nano- and femtosecond lasers. The multiphoton scheme involves (1 + 1), (2 + 2), (2 + 2) + 1 and (2 + 2) + 2 photon processes. We have found a progression of stretching vibrations nu(1) in the PE spectrum when pumping NH3 (A) over tilde upsilon(2) = 0, 1 and 3 as intermediate states. The stretching vibration intensity distributions in the photoelectron spectrum are calculated by using the Chebychev method of the wavepacket propagation. The femtosecond spectrum shows a similar feature to the nanosecond spectrum. However, high laser power also causes band broadening and shifting effect as well as above threshold multiphoton ionization.
语种英语
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WOS记录号WOS:000088654700010
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被引频次:7[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://cas-ir.dicp.ac.cn/handle/321008/90441
专题中国科学院大连化学物理研究所
作者单位Chinese Acad Sci, Dalian Inst Chem Phys, State Key Lab Mol React Dynam, Dalian 116023, Peoples R China
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Xie, JC,Jiang, B,Li, GH,et al. Photoelectron spectroscopy of ammonia via a fast predissociative state[J]. FARADAY DISCUSSIONS,2000,115(115):127-136.
APA Xie, JC.,Jiang, B.,Li, GH.,Yang, S.,Xu, JJ.,...&Zhang, CH.(2000).Photoelectron spectroscopy of ammonia via a fast predissociative state.FARADAY DISCUSSIONS,115(115),127-136.
MLA Xie, JC,et al."Photoelectron spectroscopy of ammonia via a fast predissociative state".FARADAY DISCUSSIONS 115.115(2000):127-136.
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