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 。
在杂质存在的情况下,或在非化学计量比的固体中,为了中
带电离

所引起的电荷不平衡,便会产生自由电
或电
空穴。




量。

种非常奇怪
星期以来,曼谷


