张振忠,安少华,赵芳霞,王超

• 1:南京工业大学材料科学与工程学院

摘要(Abstract)：

采用高纯锡,通过自行设计的直流电弧等离子体蒸发设备制备了纯净的纳米锡粉。利用X射线衍射(XRD)、透射电子显微镜(TEM)和选区电子衍射(ED)以及Simple PCI软件对样品的成分、形貌、晶体结构和粒径分布进行了分析。结果表明:在本文制备工艺参数条件下,该设备可以成功制备平均粒径为26至49nm的纳米锡粉;粉体的产率和粒径随充气压力升高而增大。所制备的纳米锡粉颗粒细小,纯净,为多晶结构;通过分析不同腔体内的粉体粒径,发现距离钨电极越远,所形成的颗粒尺寸越大。

关键词(KeyWords)： 直流电弧等离子体蒸发;纳米锡粉;制备

Abstract:

Keywords:

基金项目(Foundation): 国家自然科学基金(10502025);; 省高校自然基金(05KJB1300421)

作者(Author): 张振忠,安少华,赵芳霞,王超

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