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The Structure and Labile Oxygen of Impurity-doped Perovskite-type Oxide
Qu Zhaojun; Yu Chunying; Li Wenzhao; Chen Yixuan
关键词Perovskite Substituting Xrd Line Widening Crystalline Imperfection Labile Oxygen
刊名ACTA PHYSICO-CHIMICA SINICA
1994
DOI10.3866/PKU.WHXB19940906
10期:9页:796-801
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Perovskite 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.
语种英语
WOS记录号WOS:000207589600006
引用统计
被引频次:6[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://cas-ir.dicp.ac.cn/handle/321008/142801
专题中国科学院大连化学物理研究所
作者单位Chinese Acad Sci, Dalian Inst Chem Phys, Dalian 116023, Peoples R China
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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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