Energetics of Co adatoms on the Cu(001) surface

Article

关键词: MAGNETIC ANISOTROPIES;    TRANSITION-METALS;    GROWTH;    FILMS;    CU;    CU(100);    FE;    DEPOSITION;    IMPURITIES;    AG(001);   

DOI  :  10.1103/PhysRevB.61.2230

来源: SCIE

【 摘 要 】

By using an N-body potential scheme constructed by fitting the interaction parameters to accurate first-principles calculations, we investigate the structural stability of Co atoms and clusters deposited on Cu(100). We found that Co atoms and clusters prefer to be embedded inside the substrate, in a way compatible with the formation of a surface alloy observed experimentally. Enhanced stability is achieved when Co atoms are deposited on a preformed Co cluster embedded on the uppermost layer of the substrate. Co atoms deposited on Co islands are best stabilized when they concur to complete the islands, by promoting layer-by-layer growth.

【 授权许可】

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