BAND GAP AND ELECTRONIC STRUCTURE OF DEFECTS IN THE TERNARY NITRIDE BP3N6: EXPERIMENT AND THEORY СтатьяDe Boer T., Fattah M.F.A., Amin M.R., Moewes A., Ambach S.J., Vogel S., Schnick W.Journal of Materials Chemistry C. Том 10. 2022. С. 6429-6434