图2. W(111)/Cu(111)相界模型中W原子和Cu原子的局域态密度图、局部电荷密度分布和局部差分电荷密度分布
Fig.2. Local density of states (LDOSs) (a), local charge density (LCD) distribution (b) and local charge density difference (LCDD) distribution (c) of W and Cu atoms in the W(111)/Cu(111) interface model (E—energy)