SEGREGATION ENERGY AND SURFACE COMPOSITION OF THE Cu-Mn ALLOYS ACCORDING TO AUGER ELECTRON SPECTROSCOPY

Физико-химические аспекты изучения кластеров, наноструктур и наноматериалов

I.N. Sergeev¹ 

[1] Kabardino-Balkarian State University;

关键词: Cu-Mn alloys;    Auger electron spectroscopy;    surface segregation;    segregation energy;    diffusion length;   

DOI  :  

来源: DOAJ

【 摘 要 】

The composition of topmost atomic layers of single crystal solid solution (100)Cu-4 at. % Mn was studied in the range of T = 300...875 K by AES. Data on the surface composition are compared with the results for polycrystal Cu-22,5 at. % Mn, obtained in previous work. It is shown that in the nonequilibrium region segregation is determined by the diffusion length of Mn in Cu . For equilibrium state are defined the segregation energy and other thermodynamic parameters of the surface.

【 授权许可】

Unknown