alexa Theoretical Investigations On Carbonyl Sulfide (COS) And C60: Is C60 A Perfect Faraday Cage? A Possible Nano Storage Device
ISSN: 2157-7439

Journal of Nanomedicine & Nanotechnology
Open Access

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4th International Conference on Nanotek & Expo
December 01-03, 2014 DoubleTree by Hilton Hotel San Francisco Airport, USA

Oliver Potzel
Accepted Abstracts: J Nanomed Nanotechnol
DOI: 10.4172/2157-7439.S1.019
In order to operate a binary storage unit some basic requirements have to be satisfied. The unit needs to have two distinct, steady states that are erasable, programmable, detectable and insensitive against environmental influences. We therefore theoretically investigated fullerene complexes, which incorporate polar molecules. The complexes were orientated as monolayers on different metal surfaces (Au, Al, Ag). In preliminary calculations the binding energies and structural properties of CO and C60 were calculated using the VASP code. The results showed that the orientation of CO towards the surface has no influence on the energies i.e., the molecule rotates freely inside the cage as known from literature for isolated CO and C60. In the following the carbon monoxide was replaced by the larger carbonylsulfide (OCS). The calculations then showed different energies with the oxygen atom or the sulfur atom facing towards the surface. These two states are separated by a rotation barrier of about 0.05 eV. Simulated STM-images showed that both states are detectable and distinguishable from outside the cage. The process of programming the storage device contains an alignment of the OCS molecules. A conceivable procedure of a successful orientation of the polar molecules inside the fulleren is the application of external electric fields. We therefore currently examine the shielding of the C60 molecule in terms of the properties of a perfect Faraday cage.
Oliver Potzel has completed his PhD at the age of 39 years from the University of Ulm and Postdoctoral studies from the Institute of Theoretical Chemistry.
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