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Two-dimensional semiconductor platforms for superconductor hybrid nanostructures
Third-party funded project |
Project title |
Two-dimensional semiconductor platforms for superconductor hybrid nanostructures |
Principal Investigator(s) |
Baumgartner, Andreas
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Project Members |
Correa Sampaio, Ian
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Organisation / Research unit |
Departement Physik / Experimentalphysik Nanoelektronik (Schönenberger) |
Project start |
01.05.2019 |
Probable end |
30.04.2023 |
Status |
Completed |
Abstract |
We aim to develop a new material platform for nanoelectronic devices, with a strong focus on superconducting hybrid systems based on two-dimensional (2D) semiconducting layered materials (2D-SC) with a strong intrinsic spin-orbit interaction (SOI). We will establish standard surface bulk and 1D side-contacts in encapsulated 2D-SCs and perform “standard” experiments in this new type of structures, for example the measurement of a Josephson current, weak (anti-) localization and the quantum Hall effect. These experiments will form the basis for first Majorana bound state devices in a new type of geometry, and develop first topgate-defined nanostructures, with the aim to fabricate gate-tunable quantum dots and Cooper pair splitters. This project will pave the way towards deterministic double nanowire devices expected to host Parafermions, a generalization of Majorana bound states and many other more exotic superconductor-semiconductor hybrid structures. |
Keywords |
Majorana bound states; Quantum physics; Nanoelectronics; Superconductor; 2D Materials; Semiconductor; Topological states; Van der Waals materials; Quantum confinement; Josephson effect; Low dimensions; Spin-orbit interaction; TMDC |
Financed by |
Swiss National Science Foundation (SNSF)
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23/04/2024
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