高角环形暗场扫描透射(HAADF-STEM)原子成像技术
Movie 1. Interaction between specimen and electron
Movie 2. Schematic of an annular detector in STEM
图1:用HAADF-STEM得到的不同S相颗粒沿[100]方向的Z衬度原子像,
其中亮点表示Cu原子柱,最暗的点则表示Mg原子柱
参考文献:
1. Z. R. Liu, J. H. Chen*, S. B. Wang, D. W. Ding, M. J. Yin, C. L. Wu*, The structure and the properties of S-phase in Al-Cu-Mg alloys, Acta Materialia, 59(2011) 7396-7405;
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4. Kirkland EJ, Loane RF, Silcox J. Simulation of annular dark field stem images using a modified multislice method. Ultramicroscopy, 23(1987):77;