A single-volume approach for vacancy formation thermodynamics calculations A. S. Bochkarev, S. O. Zamulko, O. I. Gorbatov, S. I. Sidorenko, P. Puschnig and A. V. Ruban EPL, 116 1 (2016) 16001 Published online: 16 November 2016 DOI: 10.1209/0295-5075/116/16001