Publications at IST

recent publications

2020

A singlet triplet hole spin qubit in planar Ge

Daniel Jirovec, Andrea Hofmann, Andrea Ballabio, Philipp M. Mutter, Giulio Tavani, Marc Botifoll, Alessandro Crippa, Josip Kukucka, Oliver Sagi, Frederico Martins, Jaime Saez-Mollejo, Ivan Prieto, Maksim Borovkov, Jordi Arbiol, Daniel Chrastina, Giovanni Isella, Georgios Katsaros

https://arxiv.org/abs/2011.13755

Enhancement of Proximity Induced Superconductivity in Planar Germanium

Kushagra Aggarwal, Andrea Hofmann, Daniel Jirovec, Ivan Prieto, Amir Sammak, Marc Botifoll, Sara Marti-Sanchez, Menno Veldhorst, Jordi Arbiol, Giordano Scappucci, Georgios Katsaros

https://arxiv.org/abs/2012.00322

Non-topological zero bias peaks in full-shell nanowires induced by flux tunable Andreev states

Marco Valentini, Fernando Penaranda, Andrea Hofmann, Matthias Brauns, Robert Hauschild, Peter Krogstrup, Pablo San-Jose, Elsa Prada, Ramon Aguado, Georgios Katsaros

arXiv:2008.02348

Zero field splitting of heavy-hole states in quantum dots

Georgios Katsaros, Josip Kukučka, Lada Vukušić, Hannes Watzinger, Fei Gao, Ting Wang, Yuan Yao, Jian-Jun Zhang, Karsten Held

Nano Lett., 20, 5201-5206 (2020)

https://doi.org/10.1021/acs.nanolett.0c01466

The germanium quantum information route

Giordano Scappucci, Christoph Kloeffel, Floris A. Zwanenburg, Daniel Loss, Maksym Myronov, Jian-Jun Zhang, Silvano De Franceschi, Georgios Katsaros, Menno Veldhorst

Nature Reviews Materials (accepted)

https://arxiv.org/pdf/2004.08133.pdf

Site‐Controlled Uniform Ge/Si Hut Wires with Electrically Tunable Spin–Orbit Coupling

Fei Gao, Jian-Huan Wang, Hannes Watzinger, Hao Hu, Marko J. Rančić, Jie-Yin Zhang, Ting Wang, Yuan Yao, Gui-Lei Wang, Josip Kukučka, Lada Vukušić, Christoph Kloeffel, Daniel Loss, Feng Liu, Georgios Katsaros, Jian-Jun Zhang

Adv. Mater. 32, 1906523 (2020)

https://doi.org/10.1002/adma.201906523

2019

Assessing the potential of Ge/SiGe quantum dots as hosts for singlet-triplet qubits

Andrea Hofmann, Daniel Jirovec, Maxim Borovkov, Ivan Prieto, Andrea Ballabio, Jacopo Frigerio, Daniel Chrastina, Giovanni Isella, Georgios Katsaros

preprint: https://arxiv.org/pdf/1910.05841.pdf

2018

Single-shot readout of hole spins in Ge

Lada Vukušić, Josip Kukučka, Hannes Watzinger, Friedrich Schäffler, Georgios Katsaros

Nano Lett., 18, 7141–7145 (2018)

https://pubs.acs.org/doi/abs/10.1021/acs.nanolett.8b03217

A germanium hole spin qubit

Hannes Watzinger, Josip Kukučka, Lada Vukušić, Fei Gao, Ting Wang, Friedrich Schäffler, Jian-Jun Zhang, Georgios Katsaros

Nature Com. 9, 3902 (2018)

https://www.nature.com/articles/s41467-018-06418-4

2017

Fast hole tunneling times in Germanium hut wires probed by single-shot reflectometry

Lada Vukušić, Josip Kukučka, Hannes Watzinger, Georgios Katsaros

Nano Lett. 17, 5706–5710 (2017)

http://pubs.acs.org/doi/abs/10.1021/acs.nanolett.7b02627

2016

Heavy hole states in Germanium hut wires

Hannes Watzinger, Christoph Kloeffel, Lada Vukušić, Marta D. Rossell, Violetta Sessi, Josip Kukučka, Raimund Kirchschlager, Elisabeth Lausecker, Alisha Truhlar, Martin Glaser, Armando Rastelli, Andreas Fuhrer, Daniel Loss, Georgios Katsaros

Nano Lett. 16, 6879–6885 (2016)

http://pubs.acs.org/doi/abs/10.1021/acs.nanolett.6b02715