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|Title||White cathodoluminescence from Zn0.3Mg0.7Al2O4:Tb3+,Eu3+.|
|Title in Arabic||White cathodoluminescence from Zn0.3Mg0.7Al2O4:Tb3+,Eu3+.|
In this study, white cathodoluminescence (CL) was generated from Zn0.3Mg0.7Al2O4:Tb3+;Eu3+ prepared by the combustion route using urea as a fuel metal and nitrates as precursors. The X-ray diffraction (XRD) patterns from the samples showed phases associated with cubic structures of ZnAl2O4 and MgAl2O4. The particle morphology of the Zn0.3Mg0.7Al2O4:Tb3+;Eu3+ showed different irregular shapes. White CL with the CIE coordinates (x = 0.343, y = 0.323) was observed when the phosphor was excited by a low voltage (2 keV) electron beam in vacuum. This was a result of the simultaneous emission of blue and green emissions from Tb3+, and red emission from Eu3+. This phosphor is evaluated for possible applications in white LEDs. .
|Published in||SAIP 2013|
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