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Citation: Wang Dian-Xun, Li Ying, Li Sheng, Chen Ben-Ming. He I Photoelectron Spectroscopy(UPS) of Isotopic ¹⁸O₂ Molecules[J]. Acta Physico-Chimica Sinica, ;1994, 10(09): 771-773. doi: 10.3866/PKU.WHXB19940901 shu

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

1.
Institute of Chemistry,Academia Sinica,Beijing 100080

Received Date: 21 July 1994
Available Online: 15 September 1994

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

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