negative electron affinity短语¹⁸⁰⁰⁹⁸⁺¹ 基本例句 负电子亲合力 Much interest has been focused on the negative electron affinity of wide band semiconductor diamond materials because of its applications in field emission. 宽带隙半导体材料金刚石的负电子亲合势特性使其在电子场发射应用方面备受瞩目。 cnki This paper compares the characteristics of PEAPositive electron/span> affinity with NEA negative electron affinity photoactive materials. 本文比较了正电子亲和势 PEA和负电子亲和势 NEA光电发射材料的特征。 cnki