Journal
JOURNAL OF THE EUROPEAN CERAMIC SOCIETY
Volume 27, Issue 13-15, Pages 4333-4337Publisher
ELSEVIER SCI LTD
DOI: 10.1016/j.jeurceramsoc.2007.02.152
Keywords
powders-gas phase reaction; x-ray methods; spectroscopy; ZnO; chemical vapor synthesis (CVS)
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ZnO and Cr doped ZnO nanoparticles were synthesized by chemical vapor synthesis (CVS) which is a modified chemical vapor deposition (CVD) process. The resulting powders consist of nanocrystalline particles and were characterized by X-ray diffraction (XRD), nitrogen adsorption (BET), transmission electron microscopy (TEM), energy dispersive X-ray analysis (EDX), element analysis, and extended X-ray absorption fine structure (EXAFS) spectroscopy. The grain size decreases with increasing dopant concentration. The lattice constants extracted by the Rietveld method from XRD data vary slightly with doping concentration. XRD and EXAFS data analysis show that the Chromium dopant atoms are incorporated into the wurtzite host lattice. (c) 2007 Elsevier Ltd. All rights reserved.
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