Abstract

We fabricated ellipsoid-shaped ZnGa2O4 nanorods using a newly-designed chemical vapor deposition (CVD) process, different fromthe conventional methods. The optical properties of nanorods were studied usingcathodoluminescence (CL) measurements. The nanorods displayed three distinct emissionscentered at 360, 450 and 550 nm. The luminescence mechanism is thoroughly discussed andexplained based on a detailed structural and compositional study with a transmissionelectron microscope (TEM) equipped with an electron energy loss spectrometer (EELS).

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