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| STRUCTURAL DETERMINATION OF TITANIUM-OXIDE NANOPARTICLES BY X-RAY ABSORPTION SPECTROSCOPY | |
| 作者姓名： | Z.Y. Wu J. Zhang K. Ibrahim M.I. Abbas G. Li Y. Tao T.D. Hu F.Q. Liu H.J. Qian Y.N. Xie Q.H. Zhang L. Gao Z.Z. Chen |
| 作者单位： | Z.Y. Wu，J. Zhang K. Ibrahim，M.I. Abbas，G. Li Y. Tao，T.D. Hu F.Q. Liu，H.J. Qian，Y.N. Xie，Q.H. Zhang，L. Gao and Z.Z. Chen Beijing Synchrotron Radiation Facility，Institute of High Energy Physics，The Chinese Academy of Sciences，Beijing 10 |
| 基金项目： | One of us (Z.Y. Wu) was supported by 100-Talent Research Program of The Chinese Academy of Sciences. One of the authors (K. Ibrahim) is grateful to the National Natural Science Foundation of China (NSFC) for financial support (Grant No. 10074063)，The |
| 摘 要： | As a potential application of titanium-oxide nanoparticles, it is extremely important to investigate a detailed picture of the surface and interior structural properties of nanocrystalline materials, such as rutile and anatase with diameters 7.0 and 4.5nm, respectively. X-ray absorption spectroscopy has been used to identify the local Ti environment and related electronic structure. We combine the experimental results at the Ti edge in both bulk and nano-crystals to determine the lattice distortion in terms of differently characteristic preedge features and the variation in the multiple-scattering region of X-ray absorption near-edge structure (XANES) spectra. The relationship between the transition peaks and the surface-to volume ratio is also discussed. |
| 收稿时间： | 2001-07-31 |
STRUCTURAL DETERMINATION OF TITANIUM-OXIDE NANOPARTICLES BY X-RAY ABSORPTION SPECTROSCOPY |
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| Z.Y. Wu ,J. Zhang ,K. Ibrahim ,M.I. Abbas , G. Li , Y. Tao , T.D. Hu , F.Q. Liu ,H.J. Qian ,Y.N. Xie ,Q.H. Zhang ,L. Gao , Z.Z. Chen.STRUCTURAL DETERMINATION OF TITANIUM-OXIDE NANOPARTICLES BY X-RAY ABSORPTION SPECTROSCOPY[J].Acta Metallurgica Sinica(English Letters),2002,15(1):53-57. | |
| Authors: | ZYWu JZhang KIbrahim MIAbbas GLi YTao TDHu FQLiu HJQian YNXIE QHZhang LGao ZZChen |
| Affiliation: | 1. Beijing Synchrotron Radiation Facility,Institute of High Energy Physics,The Chinese Academy of Sciences,Beijing 100039,China;Laboratori Nazionali di Frascati, Istituto Nazionali di Fisica Nucleare, Via Enrico Fermi 40,P.O. Box 13,I-00044 Frascati,Italy 2. Beijing Synchrotron Radiation Facility, Institute of High Energy Physics,The Chinese Academy of Sciences, Beijing 100039,China 3. Shanghai Institute of Ceramics,The Chinese Academy of Sciences,Shanghai,200050,China |
| Abstract: | As a potential application of titanium-oxide nanoparticles, it is extremely important to investigate a detailed picture of the surface and interior structural properties of nanocrystalline materials, such as rutile and anatase with diameters 7.0 and 4.5nm, respectively. X-ray absorption spectroscopy has been used to identify the local Ti environment and related electronic structure. We combine the experimental results at the Ti edge in both bulk and nano-crystals to determine the lattice distortion in terms of differently characteristic preedge features and the variation in the multiple-scattering region of X-ray absorption near-edge structure (XANES) spectra. The relationship between the transition peaks and the surface-to volume ratio is also discussed. |
| Keywords: | X-ray absorption near edge structure nano particle transition metal oxide |
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