First Principles Calculation on Adsorption of S on Fe(100) with Different Pressure


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Using periodic density functional theory within the generalized-gradient approximation to electron exchange and correlation, we have studied S adsorption four-fold hollow site on Fe(100) in different hydrostatic pressure. We find that the adsorption height decreases with hydrostatic pressure increasing is non-monotonic. The adsorption energy decreases with an increase with pressure is monotonic and we have obtained density of states is almost unchanged, the adsorption energy change is mainly caused by lattice deformation in the hydrostatic pressure, and the adsorption energies increase linearly with pressure.



Edited by:

Xianghua Liu, Zhenhua Bai, Yuanhua Shuang, Cunlong Zhou and Jian Shao




X. T. Hu et al., "First Principles Calculation on Adsorption of S on Fe(100) with Different Pressure", Applied Mechanics and Materials, Vols. 217-219, pp. 1811-1814, 2012

Online since:

November 2012




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