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Focused ion beam induced synthesis of antimony nanowires for gas sensor applications.
MedLine Citation:
PMID:  23060609     Owner:  NLM     Status:  Publisher    
Abstract/OtherAbstract:
In this paper the formation of antimony (Sb) nanowires (NWs) by a focused Ga ion beam approach and their gas sensing capability is reported. The NWs with uniform diameters of only 25 nm and lengths up to several microns are synthesized at predefined positions at room temperature in an ion beam induced self-assembling process. Then individual Sb-NWs are deposited on insulating substrates and provided with gold electrodes. Subsequently sensing characteristics of individual Sb-NWs are investigated at room temperature for H(2)O, CO, H(2), He, O(2) and ethanol over a wide concentration range. The Sb-NWs exhibit selective sensing properties for ethanol and H(2)O with exceptional sensitivities of more than 17 000 and 60 000, respectively.
Authors:
Christoph Schoendorfer; Martin Hetzel; Peter Pongratz; Alois Lugstein; Emmerich Bertagnolli
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Publication Detail:
Type:  JOURNAL ARTICLE     Date:  2012-10-11
Journal Detail:
Title:  Nanotechnology     Volume:  23     ISSN:  1361-6528     ISO Abbreviation:  Nanotechnology     Publication Date:  2012 Oct 
Date Detail:
Created Date:  2012-10-12     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  101241272     Medline TA:  Nanotechnology     Country:  -    
Other Details:
Languages:  ENG     Pagination:  435502     Citation Subset:  -    
Affiliation:
Institute for Solid State Electronics, Vienna University of Technology, Floragasse 7, A-1040 Vienna, Austria.
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