小中大我们较常用的一般只是明,暗场,高分辨,SAD and NBD. 可以作CBD,但据高手所知,CBD 解释很难,要是能有JEMS,就好了。
SAD: shxie 斑竹已详细的介绍,受益匪浅。
暗场:grain size and phase analysis;
高分辨: crystallographic and microstructural as well as phase analysis;
NBD: nanoprobe for microarea diffraction analysis, a type of CBD with different convergent angle.