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ZnO Nanowires Grown on Al2O32O4 Nanostructure Using Solid-Vapor Mechanism

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Języki publikacji
EN
Abstrakty
EN
We present Al2O3-ZnAl2O4-ZnO nanostructure, which could be a prominent candidate for optoelectronics, mechanical and sensing applications. While ZnO and ZnAl2O4 composites are mostly synthesized by sol-gel technique, we propose a solid-vapor growth mechanism. To produce Al2O3-ZnAl2O4-ZnO nanostructure, we conduct ZnO:C powder heating resulting in ZnO nanowires (NWs) growth on sapphire substrate and ZnAl2O4 spinel layer at the interface. The nanostructure was examined with Scanning Electron Microscopy (SEM) method. Focused Ion Beam (FIB) technique enabled us to prepare a lamella for Transmission Electron Microscopy (TEM) imaging. TEM examination revealed high crystallographic quality of both spinel and NW structure. Epitaxial relationships of Al2O3-ZnAl2O4 and ZnAl2O4-ZnO are given.
Słowa kluczowe
Twórcy
  • Institute of Physics Polish Academy of Sciences, 32/46 Lotników Av., 02-668 Warszawa, Poland
  • Institute of Physics Polish Academy of Sciences, 32/46 Lotników Av., 02-668 Warszawa, Poland
  • Institute of Physics Polish Academy of Sciences, 32/46 Lotników Av., 02-668 Warszawa, Poland
  • Institute of Physics Polish Academy of Sciences, 32/46 Lotników Av., 02-668 Warszawa, Poland
  • Institute of Physics Polish Academy of Sciences, 32/46 Lotników Av., 02-668 Warszawa, Poland
  • Institute of Physics Polish Academy of Sciences, 32/46 Lotników Av., 02-668 Warszawa, Poland
  • Institute of Physics Polish Academy of Sciences, 32/46 Lotników Av., 02-668 Warszawa, Poland
Bibliografia
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  • [10] M. Hoppe, O. Lupan, V. Postica, N. Wolff, V. Duppel, L. Kienle, I. Tiginyanu, R. Adelung, ZnAl2O4-Functionalized Zinc Oxide Microstructures for Highly Selective Hydrogen Gas Sensing Applications, Phys. Status Solidi 215, 1700772 (2018). DOI: https://doi.org/10.1002/pssa.201700772
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Uwagi
This work has been supported by the National Science Center Poland, through projects No: 2019/35/B/ST5/03434 and 2020/37/B/ST8/03446
Typ dokumentu
Bibliografia
Identyfikator YADDA
bwmeta1.element.baztech-4717e745-740d-4f92-aa23-ecdde64e08e8
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