[f(k)] colloquium Pekka Koskinen TODAY 10:15 FYS 1

[Ilari Maasilta]

Dear all,

welcome to this semester's first physics colloquium,

TODAY  16 Sept, at 10:15 in FYS1 Speaker:**Pekka Koskinen, JYFL***
Title:    **********The Flimsiest Materials in the World*****

Abstract:

Materials made from the atom-thick honeycomb carbon -- graphene flakes, 
carbon nanotubes and graphene nanoribbons -- are the flimsiest materials 
in the world. Being sensitive to tiny perturbations, they readily get 
bent, twisted, rippled, curled, wrapped or otherwise distorted in 
complex ways -- sometimes even spontaneously. In this presentation I 
discuss problems related to distortion simulations and introduce an 
approach to resolve them, the revised periodic boundary conditions. I 
illustrate related distortion simulations by bent carbon nanotubes, 
spherically distorted graphene, and twisted graphene nanoribbons -- the 
last one possibly opening an unprecedented route for carbon nanotube 
synthesis.






Best regards,

Kari Eskola and Ilari Maasilta

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