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J. Korean Ceram. Soc. > Volume 41(4); 2004 > Article
Journal of the Korean Ceramic Society 2004;41(4): 340.
doi: https://doi.org/10.4191/kcers.2004.41.4.340
착체중합법으로 함성한 SrAl2O4의 결정 성장 거동 관찰
Crystalline Growth Behavior of SrAl2O4Synthesized by the Polymerized Complex Method
Hyung-Joon Kim, Hyun-Kwuon Lee1, Jeong-Hyun Park
Department of Ceramic Engineering, Yonsei University
1Department of Ceramic Engineering, Yonsei Universit
ABSTRACT
SrA1$_2$O$_4$was prepared by polymerized complex method and crystalline growth was investigated. Precursors was annealed at temperatures form 900 to 100$0^{circ}C$, for different time(between 0 and 10 h), and that was determined by Transmittance Electron Microscopy (TEM) and X-Ray Diffractometer (XRD). Crystalline size was calculated by Scherrer's equation and its variation was studied. It increased rapidly in the primary stage and then slowly as a function of square root of time. so, It was grown to 32, 45 and 59nm after heating treatment at 900, 980, and 100$0^{circ}C$ for 10 h respectively. Cstalline growth rates were 4.5, 9.6, and 18.6 nm/h$^{1}$2/ as a addition of heating temperature.
Key words: $SrAl_2$$O_4$, polymerized complex method, XRD, TEM, Growth rate
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