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In order to uncover the real origin of red luminescence from Sr3Al2O6:Eu and the physical mechanisms that were involved in the dynamical process of luminescence, variant amount of Eu and Dy activated Sr3Al2O6 phosphors were synthesized with the solid-state reaction and the combustion-assisted solid-state reaction, respectively, using the fine graphite powder or the mixed H2+N2 gases as a reducing...
Amorphous La 2 Hf 2 O 7 films were grown on Si(100) by pulsed laser deposition method. The valence and conduction band offsets between amorphous La 2 Hf 2 O 7 film and silicon were determined by using synchrotron radiation photoemission spectroscopy. The energy band gap of amorphous La 2 Hf 2 O 7 film was measured from the energy-loss...
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