Journal
NANOTECHNOLOGY
Volume 20, Issue 11, Pages -Publisher
IOP PUBLISHING LTD
DOI: 10.1088/0957-4484/20/11/115201
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Funding
- MEC [MAT 200601259]
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Cathodoluminescence and photoluminescence techniques have been used to investigate room temperature light emission from beta-Ga2O3:Eu nanostructures, which were obtained by two methods. In one of them, a mixture of Ga2O3/Eu2O3 powders was used as precursor material and annealed under an argon flow. In the other one, undoped beta-Ga2O3 nanostructures were first obtained by thermal oxidation of metallic gallium and europium was subsequently incorporated by a diffusion process. Room temperature luminescence at 610 nm due to Eu3+ intraionic transitions from beta-Ga2O3: Eu has been observed. Waveguiding of this red emitted light through the structures was shown.
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