VietNam 2013 

IXth Rencontres du Vietnam
Quy-Nhon, August 4-10, 2013

 QNplage

 Nanophysics: from fundamentals to applications

(the return)

 

Wednesday 7
Graphene

› 15:00 - 15:20 (20min)
Electronic transport in carbon nanotube-graphene junctions
Pablo Robert  1@  , Renjun Du  1@  , Fan Wu  1@  , Frank Hennrich  1@  , Manfred Kappes  1@  , Hilbert Von Löhneysen  1@  , Romain Danneau  1@  
1 : Karlsruhe Institute of Technology  (KIT)  -  Website
Institute of Nanotechnology, Karlsruhe Institute of Technology -  Germany

We have studied electronic transport through carbon nanotube (CNT)-graphene junctions produced by nano-manipulation. Our experiments show that the junction transparency is strongly gate-tunable depending on the resistance of the junction itself and does not depend on the CNT-graphene overlapping distance. We explain the gate dependence by the charge induced variation of the CNT-graphene distance. The absence of the junction length dependence of the resistance indicates that the charge injection occurs via a single point most likely to be at the end of the CNT.


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