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制备工艺对自支撑薄膜粗糙度的影响
  • 期刊名称:原子能科学技术,2008年 第42卷 第10期, 938-943
  • 时间:0
  • 分类:O484.5[理学—固体物理;理学—物理]
  • 作者机构:[1]北京师范大学射线束技术与材料改性教育部重点实验室,北京师范大学材料科学与工程系低能核物理研究所,北京市辐射中心,北京100875
  • 相关基金:国家自然科学基金资助项目(10576003)
  • 相关项目:超低压直流磁控溅射法制备金属多层膜的研究
中文摘要:

利用磁过滤等离子沉积技术,以甜菜碱、油酸钾、抛光NaCl单晶基片、自支撑火棉胶膜和自支撑SiN薄膜为衬底制备了自支撑Ni膜。采用原子力显微镜和场发射扫描电子显微镜对薄膜表面形态和粗糙度进行了分析。结果表明:自支撑Ni膜的粗糙度与衬底材料密切相关,等离子体的沉积角度直接影响纳米薄膜的徽观结构,采用60°倾斜沉积在自支撑火棉胶膜衬底上,可获得表面粗糙度为1.5nm的自支撑Ni膜。

英文摘要:

Metal vapor vacuum arc ion deposition system was adapted to prepare selfsupporting Ni films on substrates of betaine-sucrose/Si, potassium oleate/Si, potassium oleate-sucrose/Si, self-supporting collodion film, polished NaCl and self-supporting SiN film, respectively. Field emission scanning electron microscopy (FESEM) and atomic force microscope (AFM) were employed to analyze the surface morphology and roughness of the films and substrates. The result indicates that the mean roughness of the self-supporting Ni film depends on its depositing substrate. Glancing angle deposition can reduce the surface roughness of film. Self-supporting Ni film with the 1.5 nm mean surface roughness was obtained on self-supporting collodion film with 60° glancing angle.

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