It was found that the deepness of impurityenergylevel is related to the atomic Numbers of doped elements by the analysis of their electronic structures.
通过对电子结构的分析，发现杂质能级的深浅与掺杂元素原子序数有关。
2
It has been found that a bound state of excitation exists around a paramagnetic impurity with its energylevel in the energy gap.