First principles study of hydrogen doping in anatase TiO2 Mohsen Sotoudeh, Mohaddeseh Abbasnejad and Mohammad Reza Mohammadizadeh Eur. Phys. J. Appl. Phys., 67 3 (2014) 30401 Published online: 13 August 2014 DOI: 10.1051/epjap/2014130582