In the presence of impurities or in a nonstoichiometric solid, free electrons or electron holes are produced as a result of “charge compensation” to neutralize the effect of charged ionic defects 。
在杂质存在
情况下,或在非化学计量比
固体
,为了

电离
缺陷所引起
电荷不平衡,便会产生自由电
或电
空穴。

与饱


做最少
如今存在
种非常奇怪


