Crystalline and electronic structure of Ni nanoclusters supported on Al(2)O(3)and Cr2O3 investigated by XRD, XAS and XPS methods
Pintea, S; Rednic, V; Marginean, P; Aldea, N; Tiandou, H; Wu, ZH; Neumann, M; Matei, F; Hu TD(胡天斗); Wu ZH(吴忠华)
刊名SUPERLATTICES AND MICROSTRUCTURES
2009
卷号46期号:1-2页码:130-136
关键词Supported nickel catalysts Local and global structure Electronic structure XRD EXAFS XPS
学科分类Physics
DOI10.1016/j.spmi.2009.01.003
通讯作者[Pintea, Stelian ; Rednic, Vasile ; Marginean, Petru ; Aldea, Nicolae] Natl Inst R&D Isotop & Mol Technol, Cluj Napoca 400293 5, Romania ; [Tiandou, Hu ; Wu, Zhonghua] Beijing Electron Positron Collider Natl Lab, Beijing Synchrotron Radiat Facil, Beijing, Peoples R China ; [Neumann, Manfred] Univ Osnabruck, Fachbereich Phys, D-49069 Osnabruck, Germany ; [Matei, Florica] Univ Agr Sci & Vet Med, Cluj Napoca, Romania
文章类型Article; Proceedings Paper
英文摘要In this paper, we investigate the crystalline and electronic structure of Ni nanoclusters supported on Al2O3 and Cr2O3 obtained at different reduction temperatures. Their physical properties were characterized by powder X-ray diffraction, X-ray absorption spectroscopy and X-ray photoelectron spectroscopy techniques. The global parameters of the active metal nanostructure such as average crystallite size and the microstrain are obtained by the generalized Fermi function for fitting the experimental X-ray line profiles. By X-ray absorption spectroscopy we evidenced a diminution of the coordination number in the first shell of the nickel atoms. In order to characterize the electronic structure of the active metal, X-ray photoelectron spectroscopy measurements were performed. Our results give additional information about the strong interaction between the metal clusters and oxide supports. (c) 2009 Published by Elsevier Ltd
类目[WOS]Physics, Condensed Matter
研究领域[WOS]Physics
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语种英语
WOS记录号WOS:000267444900024
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被引频次:4[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/311005/236829
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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Pintea, S,Rednic, V,Marginean, P,et al. Crystalline and electronic structure of Ni nanoclusters supported on Al(2)O(3)and Cr2O3 investigated by XRD, XAS and XPS methods[J]. SUPERLATTICES AND MICROSTRUCTURES,2009,46(1-2):130-136.
APA Pintea, S.,Rednic, V.,Marginean, P.,Aldea, N.,Tiandou, H.,...&吴忠华.(2009).Crystalline and electronic structure of Ni nanoclusters supported on Al(2)O(3)and Cr2O3 investigated by XRD, XAS and XPS methods.SUPERLATTICES AND MICROSTRUCTURES,46(1-2),130-136.
MLA Pintea, S,et al."Crystalline and electronic structure of Ni nanoclusters supported on Al(2)O(3)and Cr2O3 investigated by XRD, XAS and XPS methods".SUPERLATTICES AND MICROSTRUCTURES 46.1-2(2009):130-136.
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