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Type: Artigo de periódico
Title: Cathodoluminescence and structural studies of nitrided 3D gallium structures grown by MOCVD
Author: Chiaramonte, T
Romero, MJ
Fabreguette, F
Cardoso, LP
Sacilotti, M
Abstract: Cathodoluminescence (CL) spectrum imaging and grazing incidence X-ray diffraction (GIXRD) are employed to investigate nitride three-dimensional (3D) gallium structures. The metallic precursors are naturally obtained on a large variety of substrates by metal-organic chemical vapor deposition (CVD) with different shape/size controlled by the growth conditions, especially the temperature. These 3D metallic structures are subsequently exposed to a nitridation process in a conventional CVD reactor to form GaN nanocrystals, as confirmed by GIXRD measurements. CL spectroscopy shows visible light emission (2.5-2.8 eV) excited from the GaN in the 3D structures. (C) 2008 Elsevier B.V. All rights reserved.
Subject: Cathodoluminescence
GaN 3D structure
Country: Holanda
Editor: Elsevier Science Bv
Citation: Journal Of Luminescence. Elsevier Science Bv, v. 129, n. 3, n. 176, n. 180, 2009.
Rights: fechado
Identifier DOI: 10.1016/j.jlumin.2008.09.011
Date Issue: 2009
Appears in Collections:Unicamp - Artigos e Outros Documentos

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