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Article

MOCVD Growth of GeTe/Sb2Te3 Core–Shell Nanowires

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CNR—Institute for Microelectronics and Microsystems, Via C. Olivetti 2, 20864 Agrate Brianza, Italy
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CNR—Institute for Microelectronics and Microsystems, Via Gobetti, 101, 40129 Bologna, Italy
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CNR—Institute for Microelectronics and Microsystems, Via del Fosso del Cavaliere, 100, 00133 Rome, Italy
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CNR—Institute for Microelectronics and Microsystems, Strada VIII, 5, 95121 Catania, Italy
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Authors to whom correspondence should be addressed.
Academic Editor: Robert Zierold
Coatings 2021, 11(6), 718; https://doi.org/10.3390/coatings11060718
Received: 27 April 2021 / Revised: 9 June 2021 / Accepted: 12 June 2021 / Published: 15 June 2021
We report the self-assembly of core–shell GeTe/Sb2Te3 nanowires (NWs) on Si (100), and SiO2/Si substrates by metalorganic chemical vapour deposition, coupled to the vapour–liquid–solid mechanism, catalyzed by Au nanoparticles. Scanning electron microscopy, X-ray diffraction, micro-Raman mapping, high-resolution transmission electron microscopy, and electron energy loss spectroscopy were employed to investigate the morphology, structure, and composition of the obtained core and core–shell NWs. A single crystalline GeTe core and a polycrystalline Sb2Te3 shell formed the NWs, having core and core–shell diameters in the range of 50–130 nm and an average length up to 7 µm. View Full-Text
Keywords: metalorganic chemical vapor deposition (MOCVD); nanowires; core–shell; GeTe/Sb2Te3 metalorganic chemical vapor deposition (MOCVD); nanowires; core–shell; GeTe/Sb2Te3
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MDPI and ACS Style

Kumar, A.; Cecchini, R.; Wiemer, C.; Mussi, V.; De Simone, S.; Calarco, R.; Scuderi, M.; Nicotra, G.; Longo, M. MOCVD Growth of GeTe/Sb2Te3 Core–Shell Nanowires. Coatings 2021, 11, 718. https://doi.org/10.3390/coatings11060718

AMA Style

Kumar A, Cecchini R, Wiemer C, Mussi V, De Simone S, Calarco R, Scuderi M, Nicotra G, Longo M. MOCVD Growth of GeTe/Sb2Te3 Core–Shell Nanowires. Coatings. 2021; 11(6):718. https://doi.org/10.3390/coatings11060718

Chicago/Turabian Style

Kumar, Arun, Raimondo Cecchini, Claudia Wiemer, Valentina Mussi, Sara De Simone, Raffaella Calarco, Mario Scuderi, Giuseppe Nicotra, and Massimo Longo. 2021. "MOCVD Growth of GeTe/Sb2Te3 Core–Shell Nanowires" Coatings 11, no. 6: 718. https://doi.org/10.3390/coatings11060718

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