## Modeling of equilibrium conformation of Pt2Ru3 nanoparticles using the density functional theory and Monte Carlo simulations

In this study, the density functional theory and Monte Carlo simulations were conducted to determine the equilibrium conformation of Pt2Ru3 nanoparticles with diameters 1.0–3.5 nm at finite temperature

Md. Khorshed Alam

2017

#### Scholarcy highlights

• In this study, the density functional theory and Monte Carlo simulations were conducted to determine the equilibrium conformation of Pt2Ru3 nanoparticles with diameters 1.0–3.5 nm at finite temperature
• DFT calculations were carried out to estimate the binding energy using slab configurations and energy could be correlated with some structural descriptors and multilinear regression equations to calculate the binding energy from descriptors related to the number of a specific bond to neighboring atoms
• MC simulations’ result shows that atoms of the same element tend to segregate each other, and Pt/Ru ratio on the surface increases with increasing particle size; most of the Pt are located on the surface whereas most of the Ru are located on the subsurface or at the core sites
• It is qualitatively exhibited that the Pt/Ru ratio on the surface decreases with increasing temperature

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