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Plasma post-treatment (ppt) process for enhancing the electron field emission (EFE) properties of diamond/CNTs films for the applications in triode vacuum field emission (VFE) transistors is being reported. The EFE properties of UNCD/CNTs films were markedly improved by modifying the granular structure by ppt-process. The factor which resulted in enhanced EFE properties is due to the formation of...
A BaFBr:Eu2+ photoluminescence phosphor powder was synthesized by modified solid phase method using BaCO3, NH4F, NH4Br and EuF3 as precursors. The powder was obtained by treating BaCO3 (1 µmol), NH4F (0.5 µmol), NH4Br (0.5 µmol) and EuF3 (0.02 µmol) at 300 °C under argon atmosphere, followed by reduction at 800 °C under hydrogen atmosphere and then decarbonization at 600 °C, with F/Br ratio near 1...
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