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Tuning of effective band gaps at insulator surfaces by adsorbed molecules is of fundamental interest but also technologically relevant for contact charging induced by adsorbed molecules like hydroxybenzoic acids. Our studies by density functional theory of ...
Isostructural clusters exhibit contrasting magnetic properties when the no. of electrons differs. Surprisingly, the same is true even for isoelectronic cages (e.g. Oh B6H62- is diatropic, whereas Oh Si62- is paratropic) or for those with different substitu ...
With the increasing cognition of the importance of organic molecules, they are widely applied in printing, biological and pharmacological fields, because of their special capabilities of harvesting solar light, scavenging free radicals, and chelating metal ...
Theoretical simulations are particularly well suited to investigate, at a molecular level, direct and indirect effects of ionising radiations in DNA, as in the particular case of irradiation by swift heavy ions such as those used in hadron therapy. In the ...
In this work we apply in a systematic way our multi-determinantal model to calculate the fine structure of the whole atomic multiplet manifold. The key feature of this approach is the explicit treatment of near-degeneracy correlation using ad hoc configura ...
The early stages of the Coulomb explosion of a doubly ionized water molecule immersed in liquid water are investigated with time-dependent density functional theory molecular dynamics (TD-DFT MD) simulations. Our aim is to verify that the double ionization ...
The first quant. evidence for the viability of three-dimensional arom. clusters involving d-orbitals in pseudo-octahedral coinage metal cages M6Lie2 (M = Cu, Tag, Au) as well as in tetrahedral coinage metal cages M'4Li4 (M' = Cu, Ag) was obtained computati ...
An extensive redistribution of spin density in TBrPP-Co molecules adsorbed on a Cu(111) surface is investigated by monitoring Kondo resonances at different locations on single molecules. Remarkably, the width of the Kondo resonance is found to be much larg ...
The present invention exploits the impact ionization induced by drain voltage increase and the onset of a bipolar parasitic in an Omega-gate field effect metal oxide insulator transistor (called PI-MOS), in order to obtain a memory effect and abrupt curren ...
In plane wave based electronic structure calcns. the interaction of core and valence electrons is usually represented by at. effective core potentials. They are constructed in such a way that the shape of the at. valence orbitals outside a certain core rad ...
