%0 Journal Article
%T XPS STUDIES OF CeO2/Nb2O5 INTERFACE EFFECT ON THE IMPROVEMENT OF THE OXYGEN SENSITIVITY OF CeO2 LAYER<br>CeO2/Nb2O5界面效应对提高CeO2氧敏特性的XPS研究
%A DU XIN-HUA
%A LIU ZHEN-XIANG
%A XIE KAN
%A WANG YAN-BIN
%A CHU WU-YANG
%A <br>杜新华
%A 刘振祥
%A 谢 侃
%A 王燕斌
%A 褚武扬
%J 物理学报
%D 1998
%I 
%X The CeO2 single layer and CeO2/Nb2O5 double-layer films have been deposited on a Al2O3 ceramic substrates by a reactive rf/dc sputtering magnetron system. The variation of kinetic behavior of oxygen in CeO2 single layer with temperatures, and also the influence of CeO2/Nb2O5 interface on oxygen sensitivity of the films have been studied by XPS. X-ray photoelectron spectra of Ce3d core level were deconvoluted by Gaussian function for calculating the different concentration of Ce3+ and Ce4+ in the films. The results have shown that the CeO2/Nb2O5 double-layer could improve reduction capability of Ce4+ easily due to the interface effect, so that the reduction capability is higher in CeO2/Nb2O5 double-layer than they were in CeO2 single layer.
%K 界面效应
%K 氧敏特性
%K 二氧化铯
%K 薄膜
%U http://www.alljournals.cn/get_abstract_url.aspx?pcid=6E709DC38FA1D09A4B578DD0906875B5B44D4D294832BB8E&cid=47EA7CFDDEBB28E0&jid=29DF2CB55EF687E7EFA80DFD4B978260&aid=478BD5F0F36565A6CFE46163B0B73BB4&yid=8CAA3A429E3EA654&vid=F4B561950EE1D31A&iid=59906B3B2830C2C5&sid=E6A891D2134F30C0&eid=AA2DEEB9912F5067&journal_id=1000-3290&journal_name=物理学报&referenced_num=0&reference_num=2