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Temperature dependence of the growth of cerium oxide nanoparticles investigated by SAXS and XANES
Zhang J(张静); Wu ZY(吴自玉); Rong LX(荣利霞); Dong BZ(董宝中); Zhang, J; Wu, ZY; Rong, LX; Dong, BZ
2005
发表期刊PHYSICA SCRIPTA
卷号T115页码:661-663
通讯作者[Zhang, J. ; Wu, Z. Y. ; Rong, L. X. ; Dong, B. Z.] Chinese Acad Sci, Inst High Energy Phys, Beijing Synchrotron Radiat Facil, Beijing 100039, Peoples R China
文章类型Article
摘要The growth process of cerium oxide nanoparticles has been investigated by synchrotron Small-Angle X-ray scattering (SAXS) and X-ray absorption near edge spectroscopy (XANES) as a function of the annealing temperature in the range from 298K to 973K in atmosphere. The SAXS experimental intensity increases dramatically with increasing annealing temperature, corresponding the nucleation and growth of CeO2 nanoparticles. SAXS also indicates that the growth of CeO2 nanoparticles shows a fractal behaviour. When the annealing temperature increases CeO2 nanoparticles changes from a volume to surface fractal index. The XANES of CeO2 nanoparticles at the CeL3 edge reveals the increase of the relative intensity of the transition from Ce 2p to 4f(1) 5d e(g)(L) under bar, with increasing temperature up to 873 K. Because XANES does not show any significant change for temperature higher than 873 K, this result supports the fractal growth properties of CeO2 nanoparticles addressed by SAXS.
学科领域Physics
研究领域[WOS]Physics ; Physics
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语种英语
研究领域[WOS]Physics ; Physics
WOS类目Physics, Multidisciplinary
WOS记录号WOS:000204272100200
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被引频次:1[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/311005/238218
专题多学科研究中心
作者单位中国科学院高能物理研究所
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Zhang J,Wu ZY,Rong LX,et al. Temperature dependence of the growth of cerium oxide nanoparticles investigated by SAXS and XANES[J]. PHYSICA SCRIPTA,2005,T115:661-663.
APA 张静.,吴自玉.,荣利霞.,董宝中.,Zhang, J.,...&Dong, BZ.(2005).Temperature dependence of the growth of cerium oxide nanoparticles investigated by SAXS and XANES.PHYSICA SCRIPTA,T115,661-663.
MLA 张静,et al."Temperature dependence of the growth of cerium oxide nanoparticles investigated by SAXS and XANES".PHYSICA SCRIPTA T115(2005):661-663.
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