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http://dx.doi.org/10.4191/KCERS.2004.41.6.439

Crystallization of srAl2O4 Synthesized by the Polymerized Complex Method  

김형준 (연세대학교 세라믹공학과)
박정현 (연세대학교 세라믹공학과)
Publication Information
Journal of the Korean Ceramic Society / v.41, no.6, 2004 , pp. 439-443 More about this Journal
Abstract
SrAl$_2$O$_4$ powder was prepared by polymerized complex method and its nucleation was observed at different temperatures and times. Problems of inhomogeneity and high synthesis temperature induced by solid state reaction could be solved by using polymeric precursors. The process of decomposition by heat treatment above 40$0^{\circ}C$ was observed by Scanning Electron Microscopy (SEM) and elemental analyzer. Crystallization of SrAl$_2$O$_4$ occured at about 90$0^{\circ}C$ and its crystalline size. which was determined by using Transmission Electron Microscopy (TEM) and X-Ray Diffractometer (XRD). was about 30∼50 nm.
Keywords
$_SrAl2$$O_4$; Crystallization; Polymerized complex method; SEM; TEM;
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