Structural changes induced by doping in LiNiO2
Liu, XY; Zhao, YJ; Li, Y; Xia, DG; Chu, WS; Li, SJ; Wu, ZY; Chu WS(储旺盛); Li SJ(李树军); Wu ZY(吴自玉)
刊名CHINESE JOURNAL OF INORGANIC CHEMISTRY
2006
卷号22期号:6页码:1007-1012
关键词LiNiO2 EXAFS doping local structure
学科分类Chemistry
通讯作者Beijing Univ Technol, Coll Environm & Energy Engn, Beijing 100022, Peoples R China ; Chinese Acad Sci, Inst High Energy Phys, Beijing 100049, Peoples R China
文章类型Article
英文摘要Structural modifications in LiNiO2 induced by doping of Al, Co and Mn were investigated by XRD and EXAFS. Diffraction experiments show that doping does not modify the phase as LiNiO2, and all structures belong to the R (3) over barm group, however, doping of Al, Co and Mn, decreases the size of the unit cell, and limits the cation mixing in lithium layers. From EXAFS data filling one may see that doping of Al, Co and Mn decreases the Debye-Waller factor of the first shell of Ni-O and weakens the John-Teller distortion of the Ni(III)O-6 octahedron. Doping by Al and Co in LiNiO2 also decreases the Ni-O bond length while the effect on bond length not obrious with Mn doping. All dopings decrease also the second shell Ni-Ni bond length. Moreover, doping of Co and Mn decreases the Debye-Waller factor of the second shell increasing the ordering of the Ni-Ni shell, while Al doping increases the Debye-Waller factor and slightly enhances the disorder degree of the Ni-Ni shell.
类目[WOS]Chemistry, Inorganic & Nuclear
研究领域[WOS]Chemistry
原文出处查看原文
语种英语
WOS记录号WOS:000238380300007
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被引频次:3[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.ihep.ac.cn/handle/311005/238884
专题中国科学院高能物理研究所_多学科研究中心_期刊论文
作者单位中国科学院高能物理研究所
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GB/T 7714
Liu, XY,Zhao, YJ,Li, Y,et al. Structural changes induced by doping in LiNiO2[J]. CHINESE JOURNAL OF INORGANIC CHEMISTRY,2006,22(6):1007-1012.
APA Liu, XY.,Zhao, YJ.,Li, Y.,Xia, DG.,Chu, WS.,...&吴自玉.(2006).Structural changes induced by doping in LiNiO2.CHINESE JOURNAL OF INORGANIC CHEMISTRY,22(6),1007-1012.
MLA Liu, XY,et al."Structural changes induced by doping in LiNiO2".CHINESE JOURNAL OF INORGANIC CHEMISTRY 22.6(2006):1007-1012.
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