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Colloquium
Mechanical resonators based on nanotubes and graphene
Wednesday, 11 February 2015, 16:30-18:00
Talk given by Prof. Adrian Bachtold
IFCO – The Institute of Photonic Sciences
Castelldefels (Barcelona), Spain
Abstract: Carbon nanotubes and graphene offer unique scientific and technological opportunities as nanoelectromechanical systems (NEMS). Namely, they have allowed the fabrication of mechanical resonators that can be operable at ultra-high frequencies and that can feature high quality factors. In addition, nanotubes and graphene have exceptional electron transport properties, including ballistic conduction over long distances. Coupling the mechanical motion to electron transport in these remarkable materials is thus highly appealing. Here, I will review some of our recent results on nanotube and graphene resonators, including mass sensing at the proton mass level [1], force sensing with ~10 zN/Hz1/2 noise [2], and the measurement of quality factors up to 5 million [3].
[1] J. Chaste, A. Eichler, J. Moser, G. Ceballos, R. Rurali, A. Bachtold, Nature Nanotechnology 7, 301 (2012).
[2] J. Moser, J. Güttinger, A. Eichler, M. J. Esplandiu, D. E. Liu, M. I. Dykman, A. Bachtold, Nature Nanotechnology 8, 493 (2013).
[3] J. Moser, A. Eichler, J. Güttinger, M. I. Dykman, A. Bachtold, Nature Nanotechnology 9, 1007 (2014).
P.S. Dies ist eine freie Informations- und Fortbildungsveranstaltung für externe Gäste und KIT Mitarbeiter.
This event is part of the eventgroup INT Talks
Homepage
https://www.int.kit.edu/events.php
https://www.int.kit.edu/events.php
Speaker
Prof. Adrian Bachtold
IFCO, Barcelona
NanoOptoMechanics http://www.icfo.eu/research/group_details.php?id=37
Prof. Adrian Bachtold
IFCO, Barcelona
NanoOptoMechanics http://www.icfo.eu/research/group_details.php?id=37
Organizer
Prof. Ralph Krupke
Institut für Nanotechnologie
KIT
Karlsruhe
Mail: ralph krupke ∂ kit edu
https://www.int.kit.edu
Prof. Ralph Krupke
Institut für Nanotechnologie
KIT
Karlsruhe
Mail: ralph krupke ∂ kit edu
https://www.int.kit.edu
Targetgroup
Interested / Everyone
Interested / Everyone