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Structural and electrical characterization of ultra-thin SrTiO(3) tunnel barriers grown over YBa(2)Cu(3)O(7) electrodes for the development of high T(c) Josephson junctions.
MedLine Citation:
PMID:  23154521     Owner:  NLM     Status:  Publisher    
Abstract/OtherAbstract:
The transport properties of ultra-thin SrTiO(3) (STO) layers grown over YBa(2)Cu(3)O(7) electrodes were studied by conductive atomic force microscopy at the nano-scale. A very good control of the barrier thickness was achieved during the deposition process. A phenomenological approach was used to obtain critical parameters regarding the structural and electrical properties of the system. The STO layers present an energy barrier of 0.9 eV and an attenuation length of 0.23 nm, indicating very good insulating properties for the development of high-quality Josephson junctions.
Authors:
L Avilés Félix; M Sirena; L A Agüero Guzmán; J González Sutter; S Pons Vargas; L B Steren; R Bernard; J Trastoy; J E Villegas; J Briático; N Bergeal; J Lesueur; G Faini
Publication Detail:
Type:  JOURNAL ARTICLE     Date:  2012-11-16
Journal Detail:
Title:  Nanotechnology     Volume:  23     ISSN:  1361-6528     ISO Abbreviation:  Nanotechnology     Publication Date:  2012 Nov 
Date Detail:
Created Date:  2012-11-16     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  101241272     Medline TA:  Nanotechnology     Country:  -    
Other Details:
Languages:  ENG     Pagination:  495715     Citation Subset:  -    
Affiliation:
Centro Atómico Bariloche, Instituto Balseiro-CNEA, Universidad Nacional de Cuyo, Avenida Bustillo 9500, 8400 Bariloche, Rio Negro, Argentina.
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