感谢老师的回答。
案例中的脚本不能得到如下图所示的能带结构图
所以，我想修改案例中的脚本，以期望得到上面的能带图。修改的脚本如下图所示。
但脚本第20行有点问题
请问老师，该如何修改案例或者脚本？谢谢。
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