X-Ray Photoelectron Spectrascopy Investigation of Ceria Doped with Lanthanum Oxide
DU Xue-yan1,2 , LI Wen-chao2 , LIU Zhen-xiang1 , XIE Kan1
1 Institute of Physics, Chinese Academy of Sciences, Beijing 100080
2 Department of Physical Chemistry, University of Science and Technology, Beijing 100083
X-Ray Photoelectron Spectrascopy Investigation of Ceria Doped with Lanthanum Oxide
DU Xue-yan1,2 ;LI Wen-chao2 ;LIU Zhen-xiang1 ;XIE Kan1
1 Institute of Physics, Chinese Academy of Sciences, Beijing 100080
2 Department of Physical Chemistry, University of Science and Technology, Beijing 100083
关键词 ：
73.20.-r ,
79.60.-i ,
71.20.Eh
Abstract ： The influence of doping lanthana on valent state of CeO2 surface has been studied by using x-ray photoelectron spectrascopy It was found that La3+ doping in host CeO2 lattice can promote to convert Ce4+ into Ce3+ and enhance adsorbing-carbonyl capacity of the materials. However, the inversion of Ce4+ to Ce3+ is depressed by dopant La3+ during argon ion bombardment.
Key words ：
73.20.-r
79.60.-i
71.20.Eh
出版日期: 1999-05-01
:
73.20.-r
(Electron states at surfaces and interfaces)
79.60.-i
(Photoemission and photoelectron spectra)
71.20.Eh
(Rare earth metals and alloys)
引用本文:
DU Xue-yan;LI Wen-chao;LIU Zhen-xiang;XIE Kan. X-Ray Photoelectron Spectrascopy Investigation of Ceria Doped with Lanthanum Oxide[J]. 中国物理快报, 1999, 16(5): 376-377.
链接本文:
https://cpl.iphy.ac.cn/CN/
或
https://cpl.iphy.ac.cn/CN/Y1999/V16/I5/376
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1999, Vol. 16 
