题目: 受主能级 答案: 参考答案:受主能级:Ⅲ族杂质在硅、锗中,能够接受电子而产生导电空穴,并形成负电中心,称它们为受主杂质。空穴挣脱受主杂质束缚的过程叫做受主电离。受主未电离时是中性的,电离后成为负电中心,称为离化态。被受主杂质束缚的空穴的能量状态称为受主能级,记为EA。
题型:选择题 –How about going shopping this weekend, Peter?--Sorry. I prefer rather than .A.to stay at home, go outB.to go out, stay at homeC.staying at home, go outD.going out, stay at home 查看答案