ZnO-coated Ga2O3 nanowires

Hyoun Woo Kim; Seung Hyun Shim; Jong Woo Lee

doi:10.1117/12.779872

1 November 2007 ZnO-coated Ga₂O₃ nanowires

Hyoun Woo Kim, Seung Hyun Shim, Jong Woo Lee

Proceedings Volume 6423, International Conference on Smart Materials and Nanotechnology in Engineering; 64232O (2007) https://doi.org/10.1117/12.779872
Event: International Conference on Smart Materials and Nanotechnology in Engineering, 2007, Harbin, China

Abstract

Ga₂O₃-core/ZnO-shell coaxial nanocables were fabricated via a two-step process. While Ga₂O₃ core nanowires were synthesized by thermal heating of GaN powders, ZnO shell layers were deposited on the core nanowires by using the atomic layer deposition method. The samples were characterized by using scanning electron microscopy, X-ray diffraction (XRD), transmission electron microscopy (TEM), energy-dispersive X-ray spectroscopy (EDX), and photoluminescence spectroscopy (PL). XRD, lattice-resolved TEM, and selected area electron diffraction revealed that the coated shell layers comprised a hexagonal ZnO phase. EDX analyses were in good agreement with what can be expected for the ZnO-coated Ga₂O₃ nanowires. The shape of PL spectrum has been changed by the coating process, suggesting a contribution from ZnO shell layers.

Citation Download Citation

Hyoun Woo Kim, Seung Hyun Shim, and Jong Woo Lee "ZnO-coated Ga₂O₃ nanowires", Proc. SPIE 6423, International Conference on Smart Materials and Nanotechnology in Engineering, 64232O (1 November 2007); https://doi.org/10.1117/12.779872

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