Fyzikální ústav Akademie věd ČR

Semináře a workshopy oddělení 26

Seminář / Úterý, 28.02.2017 10:00 - 11:00

Many of the outstanding discoveries in the history of physics were closely tied to fundamental linguistic innovations, which made them possible. The aim of the present paper is an analysis of the main linguistic innovations contained in the works of Galileo, Descartes and Newton.

 

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Seminář / Úterý, 14.03.2017 10:00 - 11:00

First principles calculations have been implemented to study the ground state and electron transport properties of nanoscale materials and to evaluate its performance in electronic devices (magnetic tunneling junctions, field effect transistors and gas sensors). The ground state properties are studied within density functional theory using the SIESTA code, whereas the transport properties are investigated using the non-equilibrium Green’s functions formalism implemented in the SMEAGOL code.

 

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Seminář / Úterý, 28.03.2017 10:00 - 11:00

Ten years ago, ground-breaking experimental studies of graphene – a monolayer of carbon with honeycomb structure – were reported. Charge carriers in graphene are described by the Weyl-Hamiltonian for massless particles, resulting in interesting properties such as an unusual quantum Hall effect or Klein tunneling which sparked the interest of scientists around the world. They are characterized by a high mobility, which makes graphene interesting for electronic applications such as high frequency transistors and frequency mixers. 

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Seminář / Čtvrtek, 06.04.2017 15:00 - 16:00

The Nobel Prize for Chemistry 2016 is shared by Jean-Pierre Sauvage, J. Fraser Stoddard and Ben Feringa for the development of molecular machines. The three researchers designed molecules with subunits that moved relative to each other in a controlled manner, and therefore founded a new field in chemistry. Some of their molecules can, for example under influence of light, even fulfill work. The three laid the foundation for nanoscopic motors, like molecular escalators, molecular muscles and nanocars. 

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