1 Facile embedding of single vanadium atoms at the anatase TiO 2 (101) surface Supporting Information Stig Koust, a Logi Arnarson, a,b Poul G. Moses, b Zheshen Li, a Igor Beinik, a Jeppe V. Lauritsen, a and Stefan Wendt a* a Interdisciplinary Nanoscience Center (iNANO) and Department of Physics and Astronomy, Aarhus University, DK-8000 Aarhus C, Denmark b Haldor Topsøe A/S, Haldor Topsøes Allé 1, DK-2800 Kongens Lyngby, Denmark * e-mail: swendt@phys.au.dk Synchrotron-based XPS data, Bader charge analysis addressing the oxidation state of adsorbed and embedded V, and STM simulations of various structures with embedded V: Electronic Supplementary Material (ESI) for Physical Chemistry Chemical Physics. This journal is © the Owner Societies 2017