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A bluish green light-emitting phosphor, Eu 2+ -doped barium aluminate (BaAl 2 O 4 :Eu 2+ ), for plasma display panel (PDP) application was developed. X-ray diffraction (XRD) patterns disclosed that the phosphor annealed at 1300 °C for 5 h was a pure BaAl 2 O 4 phase. Field emission scanning electron microscopy (FE-SEM) image showed the particle size...
Powder samples of Sr 2 CeO 4 were prepared by microemulsion-heating method. Field emission scanning electron microscopy (FE-SEM) images showed that the sample fired at 850 °C for 4 h was spherical with an average diameter of 70∼80 nm while the samples which sintered at 900 °C for 4 h and 1000 °C for 4 h were shuttle-like shape and spherical respectively both with sizes less than 1...
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