Synthesis and Microstructural Characterization of Ce1−xTbxO2− (0 ≤ x ≤ 1) Nano-Powders

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Abstract:

Ce1−xTbxO2− nano-powders have been successfully synthesized by using the ammonium carbonate coprecipitation method in an entire compositional range of 0 ≤ x ≤ 1 by adjusting the preparation conditions. Studies of X-ray diffraction (XRD) and transmission electron microscopy (TEM) showed that the powders with different compositions mainly consist of fluorite structure. In addition, a small amount of secondary phase was observed in the powders with x ≥ 0.7. TEM observation indicated that the secondary phase could have a superstructure formed by a structural modulation of the fluorite structure.

Keywords: MICROSTRUCTURE; NANO-POWDER; SYNTHESIS; TRANSMISSION ELECTRON MICROSCOPY

Document Type: Research Article

DOI: http://dx.doi.org/10.1166/jnn.2007.416

Publication date: July 1, 2007

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  • Journal for Nanoscience and Nanotechnology (JNN) is an international and multidisciplinary peer-reviewed journal with a wide-ranging coverage, consolidating research activities in all areas of nanoscience and nanotechnology into a single and unique reference source. JNN is the first cross-disciplinary journal to publish original full research articles, rapid communications of important new scientific and technological findings, timely state-of-the-art reviews with author's photo and short biography, and current research news encompassing the fundamental and applied research in all disciplines of science, engineering and medicine.
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