Abstract

Abstract: I report a theoretical study of the behavior of Au nanoparticles anchored onto a Si (111) substrate and the evolution of the combined structure with annealing and oxidation. By simulation of the data which is noticed in reference [1] and using the Matlab program with curve fitting to conclude Au nanoparticles, formed by annealing a Au film, appear upon a growing layer of SiO2 during oxidation at high temperature. Deposition of molybdenum oxide Mo (3d) on Ag (111), The surface concentration of Mo which is calculated from the XP peak area using methods which described [2,3] respectively, where we discuss these results by using a curve fitting method that is a theoretical method to test the system. Gold, the archetypal noble metal, is usually associated with an inhibition of surface reactivity by site blocking. In addition, we show that the simulation of this study extends to analysis the on Cu (100) surfaces a gold adlayer can actually increase the extent of reaction with the substrate.We note that the theoretical results are a greeted with the experimental results and this work expanded the ranges of temperature and binding energy with intensity in the case of Au/Sio2 and the effects on the binding energy and concentration with increasing time to limit range for Mo/Ag(111) and the structure of Au/Cu(100).

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