同位素氧-18分子的He I紫外光电子能谱

王殿勋, 李颖, 李胜, 陈本明

中国科学院化学研究所，北京 100080

doi: 10.3866/PKU.WHXB19940901

He I Photoelectron Spectroscopy(UPS) of Isotopic 18O2 Molecules

Wang Dian-Xun, Li Ying, Li Sheng, Chen Ben-Ming

Institute of Chemistry,Academia Sinica,Beijing 100080

关键词： 同位素氧-18分子,  He I紫外光电子能谱(UPS) 

Abstract:

HeⅠ photoelectron spectrum of isotopic 18O2 molecules has been firstly recorded on a double-chambers UPS machine Ⅱ which was built specifically to detect transient species. In comparison with UPS results of oxygen molecles 16O2 it is found that the reduction of adiabatic ionization potentials IPs, the decresae of vibrational intervals and the change of intensity of vibrational components on each ionic state of isotopic 18O2 molecules obviously appear on the UPS spectrum.

Key words: Isotopic 18O2 Molecules,  He I Photoelectron Spectroscopy(UPS) 

来源：为授权转载自物理化学学报。

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