The Valence Band Electronic Structure of Rhombohedral-like and Tetragonal-like BiFeO3 Thin Films from Hard X-ray Photoelectron Spectroscopy and First-principles Theory

D. Mazumdar, R. Knut, F. Thöled, M. Gorgoie, Sergei Faleev, O. N. Mryasov, Vilas Shelke, C. Ederer, N. A. Spaldin, A. Gupta, and O. Karis, “The Valence Band Electronic Structure of Rhombohedral-like and Tetragonal-like BiFeO3 Thin Films from Hard X-ray Photoelectron Spectroscopy and First-principles Theory,” J. Electron Spectros. Relat. Phenom. 208, 63 (2016).