We study adsorption sites of a single Xe adatom on Nb(110) surface using a density functional theory approach: The on-top site is the most favorable position for the adsorption. We compare the binding features of the present study to earlier studies of a Xe adatom on close-packed (111) surface of face-centered cubic metals. The different features are attributed through a microscopic picture to the less than half filled d-states in Nb.
@article{arxiv.1201.4588,
title = {First principles studies of a Xe atom adsorbed on Nb(110) surface},
author = {S. Dag and M. Shaughnessy and C. Y. Fong and X. D. Zhu and L. H. Yang},
journal= {arXiv preprint arXiv:1201.4588},
year = {2015}
}