Document Detail


The role of gap plasmons in light emission from tunnel junctions.
MedLine Citation:
PMID:  24216966     Owner:  NLM     Status:  In-Data-Review    
Abstract/OtherAbstract:
Light emission from the junction of a scanning tunneling microscope (STM) is examined in the presence of 20 nm topographical features in thin gold films. These features significantly modify the emission rates of the junction. Contributions to this modification are discriminated by examining emission rates on samples where the material is varied spatially. It is found that the variability in STM photoemission rates between a gold tip and a gold sample under ambient conditions is due to the modification of localized gap plasmon modes and not to the presence of an electroluminescent gold cluster on the STM probe apex.
Authors:
Shawn Divitt; Palash Bharadwaj; Lukas Novotny
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Publication Detail:
Type:  Journal Article    
Journal Detail:
Title:  Optics express     Volume:  21     ISSN:  1094-4087     ISO Abbreviation:  Opt Express     Publication Date:  2013 Nov 
Date Detail:
Created Date:  2013-11-12     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  101137103     Medline TA:  Opt Express     Country:  United States    
Other Details:
Languages:  eng     Pagination:  27452-9     Citation Subset:  IM    
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