Phosphorescence properties of MSi<sub>2</sub>O<sub>2</sub>N<sub>2</sub>:Eu (M = Ca, Sr, Ba) mixture-phase phosphors using Si<sub>2</sub>N<sub>2</sub>O powder
Abstract:MSi 2 O 2 N 2 :Eu (M = Ca, Sr, Ba) phosphors were fabricated by a solid state reaction using Si 2 N 2 O powder as starting material. For the Ca x Sr 0.99¹x Si 2 O 2 N 2 :Eu 0.01 phosphor, an increase in the value defined as x causes the peak position to increase from 530 to 548 nm and the peak intensity to decrease while the morphotropic phase boundary is observed for x-values of 0.5 to 0.6. For the Ba x Sr 0.99¹x Si 2 O 2 N 2 :Eu 0.01 phosphor, an increase in the x-value from 0 to 0.8 causes the peak position… Show more
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