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题名: X-Ray Photoelectron Spectroscopy Study of LaMn1-xFexO3 (x=0-1) Oxides
作者: Yang Xiangguang1;  Liu Shetian1;  Ye Xingkai1;  Wu Yue1;  Sheng Shishan2;  Xiong Guoxing2
关键词: Complex oxides ;  XPS ;  Oxidation-reduction ;  Adsorbed oxygen species
刊名: ACTA PHYSICO-CHIMICA SINICA
发表日期: 1995
DOI: 10.3866/PKU.WHXB19950803
卷: 11, 期:8, 页:681-687
收录类别: SCI
文章类型: Article
WOS标题词: Science & Technology ;  Physical Sciences
类目[WOS]: Chemistry, Physical
研究领域[WOS]: Chemistry
英文摘要: The redox potential, surface composition and oxygen species of a series of complex oxides LaMn1-xFexO3 (x=0-1) having perovskite structure (ABO(3)) have been investigated by means of XI'S. The variation of binding energies referring to Mn2p and Fe 2p under different treatment offerred an obvious evidence of redox between Mn and Fe, which could be expressed as Mn4+ + Fe(3-delta)+ Mn(4-delta)+ Fe3+ Feat Through computer fit three kinds of adsorbed oxygen species (O-I, O-II, O-III) have been evaluated based on the XPS spectra of O1s. From the variation of contents of different oxygen species, it could be concluded that. the redox occuring in the surface might be related with the adsorbed oxygen species O-I and O-II, furthermore the possibility of transfer of electron between adsorption site and oxygen was also discussed.
语种: 英语
WOS记录号: WOS:000207590700003
Citation statistics: 
内容类型: 期刊论文
URI标识: http://cas-ir.dicp.ac.cn/handle/321008/139444
Appears in Collections:中国科学院大连化学物理研究所_期刊论文

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作者单位: 1.Acad Sinica, Changchun Inst Appl Chem, Changchun 130022, Peoples R China
2.Acad Sinica, Dalian Inst Chem Phys, Dalian 116023, Peoples R China

Recommended Citation:
Yang Xiangguang,Liu Shetian,Ye Xingkai,et al. X-Ray Photoelectron Spectroscopy Study of LaMn1-xFexO3 (x=0-1) Oxides[J]. ACTA PHYSICO-CHIMICA SINICA,1995,11(8):681-687.
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