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| Naji, M. |
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| Motta, Antonella |
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| Aletan, Dirar |
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| Mohamed, Tarek |
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| Ertürk, Emre |
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| Taccardi, Nicola |
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| Kononenko, Denys |
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| Petrov, R. H. | Madrid |
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| Alshaaer, Mazen | Brussels |
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| Bih, L. |
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| Casati, R. |
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| Muller, Hermance |
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| Kočí, Jan | Prague |
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| Šuljagić, Marija |
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| Kalteremidou, Kalliopi-Artemi | Brussels |
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| Azam, Siraj |
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| Ospanova, Alyiya |
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| Blanpain, Bart |
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| Ali, M. A. |
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| Popa, V. |
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| Rančić, M. |
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| Ollier, Nadège |
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| Azevedo, Nuno Monteiro |
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| Landes, Michael |
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| Rignanese, Gian-Marco |
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Lusson, Alain
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Topics
Publications (8/8 displayed)
- 2018Broadband Emission in a New Two-Dimensional Cd-Based Hybrid Perovskitecitations
- 2018Broadband Emission in Hybrid Organic−Inorganic Halides of Group 12 Metalscitations
- 2018Effect of in situ Al doping on structure and optical properties of ZnO nanowires grown by MOCVDcitations
- 2017Zinc blende-oxide phase transformation upon oxygen annealing of ZnSe shell in ZnO-ZnSe core-shell nanowirescitations
- 2017Control of the white-light emission in the mixed two-dimensional hybrid perovskites (C6H11NH3)2[PbBr4−xIx]citations
- 2017Surface effects on exciton diffusion in non polar ZnO/ZnMgO heterostructurescitations
- 2008Studies of optical emission in the high intensity pumping regime of top-down ZnO nanostructures and thin films grown on c-sapphire substrates by pulsed laser depositioncitations
- 2008Investigations of ZnO thin films grown on c-Al2O3 by pulsed laser deposition in N2 + O2 ambientcitations
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article
Zinc blende-oxide phase transformation upon oxygen annealing of ZnSe shell in ZnO-ZnSe core-shell nanowires
Abstract
ZnO-ZnSe core-shell nanowires have been grown by metal organic chemical vapor deposition and subsequently annealed in an O2 atmosphere. It has been found that the incorporation of oxygen into the ZnSe shell over the 470–580 °C temperature range results in a phase transformation from zinc Blende to orthorhombic and wurtzite. The X-ray diffraction pattern confirms that the heterostructures are composed of a wurtzite ZnO core and an oxide ZnSeO shell. The Raman spectroscopy study shows the appearance of additional peaks at 220 cm−1, 278 cm−1, 480 cm−1, 550 cm−1, and 568 cm−1, which reveal a phase transformation associated with the incorporation of the oxygen into the shell after annealing at 470 °C. This work opens a way to study the structure stability of ZnO-ZnSe core-shell nanowire production and help to understand the mechanisms of the oxidation in ZnO-ZnSe core-shell nanowires.