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Seminar
From Raman characterization to novel laser-induced topological phases in graphene
Wednesday, 21 October 2015, 13:30-15:00
Institute of Nanotechnology Seminar room 0-167
Talk given by
Dr. Luis F. E. Torres
CONICET and Universidad Nacional de Córdoba,
Argentina
Abstract:
Graphene offers a plethora of outstanding physical properties. Many tools are
being actively developed either to achieve a better characterization of this
material, or to grant custom properties. In this talk I will address two
examples on how light can be harnessed to pursue both aims.
In the first part, I will show how Raman spectroscopy can be used to unveil
important information about the defects in liquid phase exfoliated graphene [1].
In the second part, I will focus on a theoretical proposal for using intense
lasers for achieving novel topological phases [2,3,4], namely a Floquet
topological insulator.
[1] M. V. Bracamonte, G. I. Lacconi, S. Urreta, L. E. F. Foa Torres, Journal of
Physical Chemistry C 118, 15455 (2014).
[2] P. M. Perez-Piskunow, G. Usaj, C. A. Balseiro, and L. E. F. Foa Torres,
Physical Review B, 89, 121401(R) (2014).
[3] G. Usaj, P. M. Perez-Piskunow, L. E. F. Foa Torres, C. A. Balseiro, Physical
Review B, 90, 115423 (2014).
[4] L. E. F. Foa Torres, P. M. Perez-Piskunow, C. A. Balseiro, and G. Usaj,
Physical Review Letters 113, 266801 (2014).
Related publications and updates available at http://nanocarbon.famaf.unc.edu.ar/
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
Dr. Luis F. E. Torres
CONICET and Universidad Nacional de Córdoba, Argentina
http://nanocarbon.famaf.unc.edu.ar/
Dr. Luis F. E. Torres
CONICET and Universidad Nacional de Córdoba, Argentina
http://nanocarbon.famaf.unc.edu.ar/
Organizer
Dr. Igor Gornyi
Institute of Nanotechnology (INT)
Karlsruhe Institute of Technology (KIT)
Eggenstein-Leopoldshafen
Mail: igor gornyi ∂ kit edu
Dr. Igor Gornyi
Institute of Nanotechnology (INT)
Karlsruhe Institute of Technology (KIT)
Eggenstein-Leopoldshafen
Mail: igor gornyi ∂ kit edu
Targetgroup
Interested / Everyone
Interested / Everyone