Surface electronic structure of bismuth oxychalcogenides

Abstract

This work was supported by the Fundamental Research Program of the State Academies of Sciences, line of research III.23, and the Academic D. I. Mendeleev Fund Program of Tomsk State University (Project No. 8.1.01.2018). The support from the Saint Petersburg State University (Project No. 15.61.202.2015), Basque Country Government, Departamento de Educacion, Universidades e Investigacion (Grant No. IT-756-13), and the Spanish Ministry of Science and Innovation (Grant No. FIS2016-75862-P) is also acknowledged. Calculations were performed using computational resources provided by Resource Center “Computer Center of SPbU” and the SKIF-Cyberia supercomputer at the National Research Tomsk State University. S.V.E. thanks I. A. Nechaev for fruitful discussions.