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 。
杂质

情况下,或
非化学计量比
固体中,
了中和带电离子缺陷所引起
电荷

,便会产生自由电子或电子空穴。
件无关,称美国指控
,她开始向下挖通道,在通道尽头挖出
个
)
致富经典
统发言人表示,“金斯伯格‘声名狼藉’
步(Lean In)
在



