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Functionalization of epitaxially grown graphene nanostructures

Date
May 11, 2017
Time
1:00 PM - 2:00 PM
Speaker
Prof. Christoph Tegenkamp
Affiliation
Leibniz University of Hannover
Series
TUD nanoSeminar
Language
en
Main Topic
Materialien
Other Topics
Materialien
Host
G. Cuniberti
Description
Functionalization of graphene is an essential task for any future carbon based electronics. In this respect graphene ribbons grown on pre-structured SiC(0001) surfaces are interesting as they exhibit promising transport properties. Graphene ribbons grown on pre-structured SiC(0001) surfaces exhibit promising transport properties, e.g. high temperature annealing of appropriately designed SiC-Mesa structures results in growth of sidewall nanoribbons revealing robust ballistic transport channels with mean free path lengths up to 16µm at 300K. The existence of edge states on zig-zag oriented ribbons is confirmed by Raman, STM and STS measurements. Moreover, we have recently fabricated nano-constrictions within these wires revealing Fabry-Perot like resonance features.

Last modified: May 11, 2017, 9:39:19 AM

Location

TUD Materials Science - HAL (24a)Hallwachsstraße301069Dresden
Homepage
https://navigator.tu-dresden.de/etplan/hal/00

Organizer

TUD Institute for Materials ScienceHallwachsstr.301069Dresden
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