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The Structure and Labile Oxygen of Impurity-doped Perovskite-type Oxide
Qu Zhaojun; Yu Chunying; Li Wenzhao; Chen Yixuan
KeywordPerovskite Substituting Xrd Line Widening Crystalline Imperfection Labile Oxygen
Source PublicationACTA PHYSICO-CHIMICA SINICA
1994
DOI10.3866/PKU.WHXB19940906
Volume10Issue:9Pages:796-801
Indexed BySCI
SubtypeArticle
WOS HeadingsScience & Technology ; Physical Sciences
WOS SubjectChemistry, Physical
WOS Research AreaChemistry
AbstractPerovskite type oxide has a stable cubic structure. XRD pattern showed that the fundamental structure of SrTiO3 is unchanged by adding various valent elements(V5+, Al3+, Mg2+, Li1+) partially substituting for Ti4+ in SrTiO3. But the widening of XRD line proved that more crystalline imperfections are formed by doping. The lower of the valence and the larger amount of the dopant added, the stronger is the effect resulted. The crystalline imperfection induces the formation of oxygen vacancy Vo whereby the lattice oxygen becomes exchangeable with the oxygen gas at moderate temperature, TPD showed that the amount of labile oxygen at 300 similar to 600 degrees C was closely related to the degree of crystalline imperfection in doped SrTiO3.
Language英语
WOS IDWOS:000207589600006
Citation statistics
Cited Times:6[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://cas-ir.dicp.ac.cn/handle/321008/142801
Collection中国科学院大连化学物理研究所
AffiliationChinese Acad Sci, Dalian Inst Chem Phys, Dalian 116023, Peoples R China
Recommended Citation
GB/T 7714
Qu Zhaojun,Yu Chunying,Li Wenzhao,et al. The Structure and Labile Oxygen of Impurity-doped Perovskite-type Oxide[J]. ACTA PHYSICO-CHIMICA SINICA,1994,10(9):796-801.
APA Qu Zhaojun,Yu Chunying,Li Wenzhao,&Chen Yixuan.(1994).The Structure and Labile Oxygen of Impurity-doped Perovskite-type Oxide.ACTA PHYSICO-CHIMICA SINICA,10(9),796-801.
MLA Qu Zhaojun,et al."The Structure and Labile Oxygen of Impurity-doped Perovskite-type Oxide".ACTA PHYSICO-CHIMICA SINICA 10.9(1994):796-801.
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