| abstract |
A long-glow luminescent material coactivated by multiple rare earth, waterproof, with a chemical composition described by the formula aMO-bAl2O3-cSiO2-dGa2O3: xEu-yB-zN Where a, b, c, d, x, yyz are coefficients with intervals of 0.8 <a <1.2, 0.8 <b <2, 0.002 <c <0.061, 0.005 <d <0.5, 0.005 <x <0.1, 0.02 <y <0.5, and 0.005 <z <0.05 .; M is at least one of the elements Ca or Sr and N is at least one of the elements Dy or Nd. |