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Tellurium nanotubes and nanorods synthesized by physical vapor deposition

Published online by Cambridge University Press:  03 March 2011

C. Métraux  and
B. Grobéty
C. Métraux
Affiliation:
University of Fribourg, Dep. of Geosciences, Mineralogy Group, 1700 Fribourg, Switzerland
B. Grobéty
Affiliation:
University of Fribourg, Dep. of Geosciences, Mineralogy Group, 1700 Fribourg, Switzerland
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Abstract

Tellurium nanotubes and nanorods were synthesized by physical vapor deposition (PVD) in an induction furnace for reaction times between 25 and 35 min. The growth morphologies depended on the reaction times and the atmosphere in the induction furnace. Nanotubes grew only under argon atmosphere (1 mbar). Under vacuum, tellurium blades and nanorods were observed. Of particular interest are the dense carpets of nanorods observed on polycrystalline aluminum. PVD experiences in a conventional high vacuum coating system did not lead to the formation of nanotubes nor nanorods. The interesting electrical properties of tellurium and tellurium compounds combined with the observed growth morphologies are promising for the fabrication of nanoscale functional devices.

Keywords

Physical vapor deposition (PVD)Transmission electron microscopy (TEM)Scanning electron microscopy (SEM)
Type
Articles
Information
Journal of Materials Research , Volume 19 , Issue 7 , July 2004 , pp. 2159 - 2164
Copyright
Copyright © Materials Research Society 2004

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