Události

When the size of electric conductors is confined to several angstroms, quantum effects can be used to gain novel electron transport properties. We have shown that thanks to quantum effects, spin-polarized currents can be generated at the single-molecule scale without magnetic components or magnetic fields. Specifically, we detect spin-polarized currents in paramagnetic molecular junctions based on silver electrodes bridged by a vanadocene molecule. Remarkably, in some cases the obtained spin currents approach the limit of ideal ballistic spin transport. Detailed comparison between conductance...

Abstract: Progress in microfabrication has allowed fabrication of highly tuneable semiconductor-superconductor heterostructures yielding new platforms to both create and manipulate subgap states. Such bound states, isolated in energy by the superconducting gap, are important building blocks for many schemes of quantum computation. In this talk I will present how bound states arise in Quantum Dot-Superconductor systems, how we can model them and what we can learn from transport measurements. Finally, I will address the complexity in experiments with double quantum dots and the physics it...

Obhajoba disertační práce doc. Mgr. Alexandra Malijevského, Ph.D., "Geometry induced phase transitions at patterned surfaces“ se koná 13. prosince 2019 ve 14:00 hodin před komisí Fyzika kondenzovaných systémů v zasedací síni Fyzikálního ústavu AV ČR, Cukrovarnická 10/112, 162 00 Praha 6.

Teze disertace

Oponenti:
prof. RNDr. Roman Kotecký, DrSc. - Matematicko-fyzikální fakulta UK Praha
MSc. Anna Maciolek, DSc. - Institute of Physical...