Glancing angle deposition of sculptured thin metal films at room temperature

被引:25
|
作者
Liedtke, S. [1 ]
Gruener, Ch [1 ]
Lotnyk, A. [1 ]
Rauschenbach, B. [1 ,2 ]
机构
[1] Leibniz Inst Surface Modificat, Permoserstr 15, D-04318 Leipzig, Germany
[2] Univ Leipzig, Felix Bloch Inst Solid State Phys, Linnestr 5, D-04103 Leipzig, Germany
关键词
glancing angle deposition; oblique deposition; sculptured metallic thin films; porosity; scanning electron microscopy; transmission electron microscopy;
D O I
10.1088/1361-6528/aa7a79
中图分类号
TB3 [工程材料学];
学科分类号
0805 ; 080502 ;
摘要
Metallic thin films consisting of separated nanostructures are fabricated by evaporative glancing angle deposition at room temperature. The columnar microstructure of the Ti and Cr columns is investigated by high resolution transmission electron microscopy and selective area electron diffraction. The morphology of the sculptured metallic films is studied by scanning electron microscopy. It is found that tilted Ti and Cr columns grow with a single crystalline morphology, while upright Cr columns are polycrystalline. Further, the influence of continuous substrate rotation on the shaping of Al, Ti, Cr and Mo nanostructures is studied with view to surface diffusion and the shadowing effect. It is observed that sculptured metallic thin films deposited without substrate rotation grow faster compared to those grown with continuous substrate rotation. A theoretical model is provided to describe this effect.
引用
收藏
页数:7
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