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Jizhong ZHANG , Xaodong YANG and Hengde LI(Dept. of Materials Science & Engineering , Tsinghua University , Beijing 100084 , China)Xiaoyan YE(Dept. of Chemistry , Tsinghua University , Beijing 100084 , China)
材料科学技术（英文）
The morphology of tin iodide deposits grown during gas-solid transformation demonstrated longrange correlations. These iodide deposits include basically two kinds of forms: fractal structure and dendritic-like structure. The fractal structure was a sort of tin iodide cluster aggregation.Each fractal structure was composed of numerous tin iodide clusters that connected or disconnected with each other. The average size of fractal structures is between 10 and 22 μm. The dendritic-like structure was also composed of many tin iodide clusters. These clusters aggregated and formed a dendritic pattern
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