Istituto dei materiali per l'elettronica ed il magnetismo     
Calestani D., Zha M., Salviati G., Lazzarini L., Zanotti L., Comini E., Sberveglieri G. Nucleation and growth of SnO2 nanowires. In: Journal of Crystal Growth, vol. 275 (1-2) pp. e2083 - e2087. Proceedings of the 14th International Conference on Crystal Growth and the 12th International Conference on Vapor Growth and Epitaxy. Elsevier, 2005.
Semiconducting oxides in nanowire-shape have stimulated a great interest for applications in optics and sensor fields. Recently, it has been reported that tin oxide (SnO2) nanowires can be grown by vapor transport techniques through a vapor-liquid-solid (VLS) mechanism. In this work, we present the results of a study on the mechanism involved in the crystallization process of SnO2 nanowires, pointing out that the presence of a liquid phase is necessary to grow these nanocrystals in the 800-1000 1C temperature range. Characterization of the obtained samples has been performed by XRD, TEM and SEM analysis.
URL: http://www.elsevier.com/locate/jcrysgro
DOI: 10.1016/j.jcrysgro.2004.11.269
Subject nanostructures
vapor phase growth
81.10.Bk Growth from vapor
81.16.Dn Self-assembly
81.05.Hd Other semiconductors
68.37.Hk Scanning electron microscopy
68.37.Lp Transmission electron microscopy

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