Istituto dei materiali per l'elettronica ed il magnetismo     
Zanotti L., Zha M., Calestani D., Comini E., Sberveglieri G. Growth of tin oxide nanocrystals. In: Crystal Research and Technology, vol. 40 (10-11) pp. 932 - 936. Wiley, 2005.
Functional oxides are presently much investigated as regards not only their basic properties, but also their actual and potential applications. Tin oxides appear particularly interesting when grown in nanowire shape (SnO2-NW) because of their electronic- and sensor-device applications. In this paper the results of a systematic study on nucleation and growth of SnO2-NWs, when an open-tube vapor-transport technique is employed, are reported and discussed. The vapor transport conditions have been investigated in greater detail and for the first time a growth model is proposed. Functional tests at different temperatures and gaseous compositions have proved that the SnO2-NW are suitable for the preparation of highly-sensitive and stable gas sensors.
URL: http://www.crystalresearch.com
DOI: 10.1002/crat.200410462
Subject nanostructures
vapor phase growth
gas sensors
81.10.Bk Growth from vapor
81.16.Dn Self-assembly
81.05.Hd Other semiconductors
68.37.Hk Scanning electron microscopy
07.07.Df Sensors
81.07.Bc Nanocrystalline materials

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