The coherent-potential approximation(CPA) and the Anderson-Newns (AN) model are used to study a transition metal adatom chemisorption on surface of a disordered binary alloy(DBA).

• 本文采用相干势近似(CPA)和Anderson-Newns(AN)模型研究了过渡金属原子在无序二元合金(DBA)表面上的化学吸附。