WO2010057572A2 Codoped 112 nitrides Google Patents
The invention relates to compounds of formula I : Ca,Sr,Ba 1xy Me y SiN 2 :Eu x wherein Me Mn 2 , Mg 2 , Be 2 , Ni 2 , Co 2 and/or Ru 2 x 0.005 to 0.20 and y lt 1, and/or of formula Il : Ca,Sr,Ba 2x Si 1z Ma z N 2 :Eu x wherein Ma Hf 4 , Th 4 and/or Zr 4 x 0.005 bis 0.20 and z lt 1, and to a method for the production of said compounds and use as luminophores and ...