以活性炭粉、高纯度纳米氧化钇粉和硅粉为原料,采用高温合成法制备出了一种结构新奇的硅酸钇,其形状酷似珍珠项链,由一根纳米线把一定数量的小珠子串在一起.纳米线的直径为150 nm左右,长度为几十微米到几百微米,甚至到几毫米,小珠子的直径为3μm左右.XRD分析结果表明该结构的硅酸钇为X1型.所有项链的形貌和结构非常相似,但是项链中珠子的形状、大小、以及珠子与珠子之间的距离各有差异,并对其形成过程及机理进行了初步探讨.
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