[seminar] SEMINAR na IF-u, u utorak, 12. lipnja 2012. u 14:00 sati

[Ivica Zivkovic]

*ZAJEDNIČKI KOLOKVIJ FIZIČKOG ODSJEKA PMF-a I INSTITUTA ZA FIZIKU
*

*
Institut za fiziku, Bijenička 46,*

*predavaonica u zgradi Mladen Paić*

**

*u utorak, 12. lipnja 2012. u 14:00 sati
*

**

*Theoretical spectroscopy of graphene and carbon nanotubes
*


****

* Dr. Duncan John Mowbray***

*Nano-Bio Spectroscopy Group and ETSF Scientific Development Centre,
Departamento de Física de Materiales, Universidad del País Vasco
UPV/EHU
and
DIPC (Donostia International Physic Center), E-20018 San Sebastián,
Spain
/
e-mail: duncan.mowbray at gmail.com/
*

*The novel electronic properties of graphene and carbon nanotubes have 
spurred considerable interest in their use in the areas of 
nanoelectronics, chemical/bio-sensors, electrocatalysts, and 
nanoplasmonics, to name only a few. Experimentally, spectroscopic 
techniques are well established tools for probing the electronic 
structure of such materials.
However it is only recently that theoretical spectroscopy techniques 
based on time dependent density functional theory (TDDFT) within the 
random phase approximation (RPA) have become both semi-quantitative and 
computationally feasible. In this talk, we will compare the TDDFT-RPA 
dielectric response of both graphene and carbon nanotubes with recent 
experimental measurements, allowing us to attribute various features in 
the experimental spectra to specific electronic excitations.
These results show how particular features in the electron energy loss 
spectra (EELS) may be used to determine the chirality of carbon nanotubes.


http://nano-bio.ehu.es/*

**

**

*Voditelji seminara IF-a: Vlasta Horvatić i Ivica Živković*

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