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1.
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9 p, 2.5 MB |
Hard superconducting gap in germanium
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Tosato, Alberto (Delft University of Technology) ;
Levajac, Vukan (Delft University of Technology) ;
Wang, Ji-Yin (Delft University of Technology) ;
Boor, Casper J. (Delft University of Technology) ;
Borsoi, Francesco (Delft University of Technology) ;
Botifoll, Marc (Institut Català de Nanociència i Nanotecnologia) ;
Borja, Carla (Institut Català de Nanociència i Nanotecnologia) ;
Martí-Sánchez, Sara (Institut Català de Nanociència i Nanotecnologia) ;
Arbiol i Cobos, Jordi (Institut Català de Nanociència i Nanotecnologia) ;
Sammak, Amir (QuTech and Netherlands Organisation for Applied Scientific Research) ;
Veldhorst, Menno (Delft University of Technology) ;
Scappucci, Giordano (Delft University of Technology)
The co-integration of spin, superconducting, and topological systems is emerging as an exciting pathway for scalable and high-fidelity quantum information technology. High-mobility planar germanium is a front-runner semiconductor for building quantum processors with spin-qubits, but progress with hybrid superconductor-semiconductor devices is hindered by the difficulty in obtaining a superconducting hard gap, that is, a gap free of subgap states. [...]
2023 -  10.1038/s43246-023-00351-w
Communications Materials, Vol. 4 (April 2023) , art. 23
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2.
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8 p, 3.7 MB |
Flexible and Binder-Free Iron Phosphide Electrodes Using a Three-Dimensional Support for High Hydrogen Productivity
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Díez-García, María Isabel (Institut de Recerca en Energia de Catalunya) ;
García Blanco, Andrés Alberto (Instituto de Física Aplicada) ;
Murcia López, Sebastián (Institut de Recerca en Energia de Catalunya) ;
Botifoll, Marc (Institut Català de Nanociència i Nanotecnologia) ;
Arbiol i Cobos, Jordi (Institut Català de Nanociència i Nanotecnologia) ;
Qamar, Mohammad (King Fahd University of Petroleum and Minerals) ;
Morante, Joan Ramon (Institut de Recerca en Energia de Catalunya)
In this work, an inexpensive and reliable microstructured electrode for the hydrogen evolution reaction (HER) is developed. This cathode is made of Earth-abundant elements consisting of iron phosphide as an electrocatalyst and carbon felt (CF) as a flexible conductive scaffold. [...]
2023 - 10.1002/celc.202201152
ChemElectroChem, Vol. 10, Issue 17 (September 2023) , art. e202201152
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3.
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9 p, 1.1 MB |
Reducing charge noise in quantum dots by using thin silicon quantum wells
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Paquelet Wuetz, Brian (Delft University of Technology) ;
Degli Esposti, Davide (Delft University of Technology) ;
Zwerver, Anne-Marije J. (Delft University of Technology) ;
Amitonov, Sergey V. (QuTech and Netherlands Organisation for Applied Scientific Research) ;
Botifoll, Marc (Institut Català de Nanociència i Nanotecnologia) ;
Arbiol i Cobos, Jordi (Institut Català de Nanociència i Nanotecnologia) ;
Vandersypen, Lieven M. K. (Delft University of Technology) ;
Russ, Maximilian (Delft University of Technology) ;
Scappucci, Giordano (Delft University of Technology)
Charge noise in the host semiconductor degrades the performance of spin-qubits and poses an obstacle to control large quantum processors. However, it is challenging to engineer the heterogeneous material stack of gate-defined quantum dots to improve charge noise systematically. [...]
2023 - 10.1038/s41467-023-36951-w
Nature communications, Vol. 14 (March 2023) , art. 1385
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4.
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1 p, 265.8 KB |
Author Correction : Reducing charge noise in quantum dots by using thin silicon quantum wells
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Paquelet Wuetz, Brian (Delft University of Technology) ;
Degli Esposti, Davide (Delft University of Technology) ;
Zwerver, Anne-Marije J. (Delft University of Technology) ;
Amitonov, Sergey V. (QuTech and Netherlands Organisation for Applied Scientific Research) ;
Botifoll, Marc (Institut Català de Nanociència i Nanotecnologia) ;
Arbiol i Cobos, Jordi (QuTech and Netherlands Organisation for Applied Scientific Research) ;
Sammak, Amir (QuTech and Netherlands Organisation for Applied Scientific Research) ;
Vandersypen, Lieven M. K. (Delft University of Technology) ;
Russ, Maximilian (Delft University of Technology) ;
Scappucci, Giordano (Delft University of Technology)
The original version of this Article omitted fromthe author list the author Amir Sammakwho is from the 'QuTech and Netherlands Organisation for Applied Scientific Research (TNO), Delft, The Netherlands'. [...]
2023 - 10.1038/s41467-023-37548-z
Nature communications, Vol. 14 (April 2023) , art. 1921
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5.
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32 p, 3.8 MB |
NbSe2 meets C2N : a 2D-2D heterostructure catalysts as multifunctional polysulfide mediator in ultra-long-life lithium-sulfur batteries
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Yang, Dawei (Institut de Recerca en Energia de Catalunya) ;
Liang, Zhifu (Institut Català de Nanociència i Nanotecnologia) ;
Zhang, Chaoqi (Universitat de Barcelona. Departament d'Enginyeria Electrònica i Biomèdica) ;
Jacas Biendicho, Jordi (Institut de Recerca en Energia de Catalunya) ;
Botifoll, Marc (Institut Català de Nanociència i Nanotecnologia) ;
Spadaro, Maria Chiara (Institut Català de Nanociència i Nanotecnologia) ;
Chen, Qiulin (Xiamen University) ;
Li, Mengyao (Institut de Recerca en Energia de Catalunya) ;
Ramon, Alberto (Universitat de Barcelona. Departament d'Enginyeria Electrònica i Biomèdica) ;
Moghaddam, Ahmad Ostovari (South Ural State University) ;
Llorca, Jordi (Universitat Politècnica de Catalunya. Departament d'Enginyeria Química) ;
Wang, Jiaao (Oden Institute for Computational Engineering and Sciences) ;
Morante, Joan Ramon (Institut de Recerca en Energia de Catalunya) ;
Arbiol i Cobos, Jordi (Institut Català de Nanociència i Nanotecnologia) ;
Chou, Shulei (University of Wollongong) ;
Cabot, Andreu (Institució Catalana de Recerca i Estudis Avançats)
The shuttle effect and sluggish conversion kinetics of lithium polysulfides (LiPS) hamper the practical application of lithium-sulfur batteries (LSBs). Toward overcoming these limitations, herein an in situ grown CN@NbSe heterostructure is presented with remarkable specific surface area, as a Li-S catalyst and LiPS absorber. [...]
2021 - 10.1002/aenm.202101250
Advanced Energy Materials, Vol. 11, issue 36 (Sep. 2021) , art. 2101250
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6.
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51 p, 6.4 MB |
Machine learning in electron microscopy for advanced nanocharacterization : current developments, available tools and future outlook
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Botifoll, Marc (Institut Català de Nanociència i Nanotecnologia) ;
Pinto-Huguet, Ivan (Institut Català de Nanociència i Nanotecnologia) ;
Arbiol i Cobos, Jordi (Institut Català de Nanociència i Nanotecnologia)
In the last few years, electron microscopy has experienced a new methodological paradigm aimed to fix the bottlenecks and overcome the challenges of its analytical workflow. Machine learning and artificial intelligence are answering this call providing powerful resources towards automation, exploration, and development. [...]
2022 - 10.1039/d2nh00377e
Nanoscale horizons, Vol. 7, issue 12 (Dec. 2022) , p. 1427-1477
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7.
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12 p, 7.5 MB |
Enhancement of proximity-induced superconductivity in a planar Ge hole gas
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Aggarwal, Kushagra (Institute of Science and Technology Austria) ;
Hofmann, Andrea (Institute of Science and Technology Austria) ;
Jirovec, D (Institute of Science and Technology Austria) ;
Prieto, Ivan (Institute of Science and Technology Austria) ;
Sammak, Amir (QuTech and Netherlands Organisation for Applied Scientific Research) ;
Botifoll, Marc (Institut Català de Nanociència i Nanotecnologia) ;
Martí-Sánchez, Sara (Institut Català de Nanociència i Nanotecnologia) ;
Veldhorst, Menno (QuTech and Kavli Institute of Nanoscience) ;
Arbiol i Cobos, Jordi (Institut Català de Nanociència i Nanotecnologia) ;
Scappucci, Giordano (QuTech and Kavli Institute of Nanoscience) ;
Danon, Jeroen (Norwegian University of Science and Technology. Department of Physics) ;
Katsaros, Georgios (Institute of Science and Technology Austria)
Hole gases in planar germanium can have high mobilities in combination with strong spin-orbit interaction and electrically tunable g factors, and are therefore emerging as a promising platform for creating hybrid superconductor-semiconductor devices. [...]
2021 - 10.1103/PhysRevResearch.3.L022005
Physical Review Research, Vol. 3, issue 2 (April-June 2021) , art. L022005
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8.
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10 p, 3.2 MB |
Sub-nanometer mapping of strain-induced band structure variations in planar nanowire core-shell heterostructures
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Martí-Sánchez, Sara (Institut Català de Nanociència i Nanotecnologia) ;
Botifoll, Marc (Institut Català de Nanociència i Nanotecnologia) ;
Oksenberg, Eitan (Weizmann Institute of Science (Israel). Department of Molecular Chemistry and Materials Science) ;
Koch, Christian (Institut Català de Nanociència i Nanotecnologia) ;
Borja, Carla (Institut Català de Nanociència i Nanotecnologia) ;
Spadaro, Maria Chiara (Institut Català de Nanociència i Nanotecnologia) ;
Di Giulio, Valerio (Institut de Ciències Fotòniques) ;
Ramasse, Quentin (University of Leeds. School of Chemical and Process Engineering) ;
García de Abajo, F. Javier (Institució Catalana de Recerca i Estudis Avançats) ;
Joselevich, Ernesto (Weizmann Institute of Science (Israel). Department of Molecular Chemistry and Materials Science) ;
Arbiol i Cobos, Jordi (Institut Català de Nanociència i Nanotecnologia)
Strain relaxation mechanisms during epitaxial growth of core-shell nanostructures play a key role in determining their morphologies, crystal structure and properties. To unveil those mechanisms, we perform atomic-scale aberration-corrected scanning transmission electron microscopy studies on planar core-shell ZnSe@ZnTe nanowires on α-AlO substrates. [...]
2022 - 10.1038/s41467-022-31778-3
Nature communications, Vol. 13 (2022) , art. 4089
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9.
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45 p, 1.3 MB |
Ballistic InSb Nanowires and Networks via Metal-Sown Selective Area Growth
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Aseev, Pavel (Microsoft Quantum Lab Delft) ;
Wang, Guanzhong (Delft University of Technology) ;
Binci, Luca (Delft University of Technology) ;
Singh, Amrita (Delft University of Technology) ;
Martí-Sánchez, Sara (Institut Català de Nanociència i Nanotecnologia) ;
Botifoll, Marc (Institut Català de Nanociència i Nanotecnologia) ;
Stek, Lieuwe J. (Delft University of Technology) ;
Bordin, Alberto (Delft University of Technology) ;
Watson, John D. (Microsoft Quantum Lab Delft) ;
Boekhout, Frenk (QuTech and Netherlands Organization for Applied Scientific Research) ;
Abel, Daniel (Microsoft Quantum Lab Delft) ;
Gamble, John (Microsoft Quantum) ;
Van Hoogdalem, Kevin (Microsoft Quantum Lab Delft) ;
Arbiol i Cobos, Jordi (Institut Català de Nanociència i Nanotecnologia) ;
Kouwenhoven, Leo P. (Delft University of Technology) ;
De Lange, Gijs (Microsoft Quantum Lab Delft) ;
Caroff, Philippe (Microsoft Quantum Lab Delft)
Selective area growth is a promising technique to realize semiconductor-superconductor hybrid nanowire networks, potentially hosting topologically protected Majorana-based qubits. In some cases, however, such as the molecular beam epitaxy of InSb on InP or GaAs substrates, nucleation and selective growth conditions do not necessarily overlap. [...]
2019 - 10.1021/acs.nanolett.9b04265
Nano letters, Vol. 19, Issue 12 (December 2019) , p. 9102-9111
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