原文由 querida 发表:原文由 drizzlemiao 发表:
正解。选区电子衍射是这种情况,在汇聚束衍射里,可以看到某些结构衍射强度的不对称。
To observe the breakdown of Friedel's Law it is necessary to excite two or more beams in addition to the central beam.
原文由 ymj_79 发表:原文由 querida 发表:原文由 drizzlemiao 发表:
正解。选区电子衍射是这种情况,在汇聚束衍射里,可以看到某些结构衍射强度的不对称。
To observe the breakdown of Friedel's Law it is necessary to excite two or more beams in addition to the central beam.
字面意思可以明白,但不理解深层次的含义,能麻烦您具体解释以下吗?我用的同步辐射X射线衍射做的,出现了不完全对称的衍射弧。What is the main reason that cause the breakdown of Friedel's Law? Thanks!