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CORDIS - Risultati della ricerca dell’UE
CORDIS

Toward new era of quantum electrical measurements through phase slips

Risultati finali

Measurement of coherent QPS in a QPS qubit

Report on the measurements of coherent QPS in a qubittype device made from at least one of the different materials explored in the project A report will be uploaded to the project repository

Report on ALD-grown superconducting thin film & nanowire fabrication technologies

A report with description of fabrication processes will be uploaded to the project data repository. The report will include recipes for fabrication of thin ALD-grown films and nanowires made from them, including the use of FIB for fine-tuning the nanowire properties.

Report on optimal circuit for CQPS current standard

A report summarising results of simulations of the CQPS circuit will be uploaded to the project data repository. The report will show results of simulations. It will describe the optimized circuit and the optimised parameters of the circuit elements.

Report on fundamental properties relevant for CQPS in disordered SCs

A report and relevant data will be uploaded to project data repository The report will cover the work done towards understanding the fundamental properties relevant for CQPS devices in disordered superconductors

Report on the progress of hybrid device fabrication technology

A description about the realized thin film hybrid technology will be given. The reached device properties will be reported and the route towards integrated standards concretised.

Report on 2D material nanostructures for CQPS nanowires

The data acquired on 2D material nanowires and nanowire heterostructures will be reported and illustrated. Special emphasis will be put on the integration with other technologies.

Report on RF engineering for CQPS applications

A report and relevant data will be uploaded to project data repository. The report will cover the experimental and theoretical work undertaken to improve the RF engineering for CQPS devices.

Technology and exploitation roadmap

Prepare a roadmap for the exploitation of project's results both in metrology and other areas, in particular in quantum technologies, where the technology created during the project can be implemented.

Report on the progress of superconducting disordered silicides for CQPS applications

A report and relevant data will be uploaded to project data repository. The report will cover the work done towards implementing CQPS circuit elements from superconducting silicides.

Proof-of-concept current standard

Non-confidential version of D4.2 (Proof-of-concept current standard).

Report on the progress of developing 2D superconductor technologies

We describe the progress on 2D superconducting materials during the project's first year and plan future actions.

Web site, logo and flyer

Design project logotype. Set up project webpage available for the public. Set up the project data repository for secure sharing of project specific documents and data within the consortium. And prepare a 1-page project flyer for the scientific community.

Data management plan (DMP)

Complete the project data management plan and make it available to all project partners.

Pubblicazioni

Counting statistics of single electron transport in bilayer graphene quantum dots

Autori: Rebekka Garreis; Jonas Daniel Gerber; Veronika Stará; Chuyao Tong; Carolin Gold; Marc Röösli; Kenji Watanabe; Takashi Taniguchi; Klaus Ensslin; Thomas Ihn; Annika Kurzmann
Pubblicato in: Physical review research, Numero 5, 2023, Pagina/e 013042, ISSN 2643-1564
Editore: APS
DOI: 10.1103/physrevresearch.5.013042

Enhancement of Superconductivity by Amorphizing Molybdenum Silicide Films Using a Focused Ion Beam

Autori: Emma Mykkänen, Arijit Bera, Janne S. Lehtinen, Alberto Ronzani, Katja Kohopää, Teresa Hönigl-Decrinis, Rais Shaikhaidarov, Sebastian E. de Graaf, Joonas Govenius, Mika Prunnila
Pubblicato in: Nanomaterials, Numero 10/5, 2020, Pagina/e 950, ISSN 2079-4991
Editore: MDPI
DOI: 10.3390/nano10050950

Superconducting ‘twin’ qubit

Autori: I. V. Antonov, R. S. Shaikhaidarov, V. N. Antonov, O. V. Astafiev
Pubblicato in: Physical Review B, Numero 102/11, 2020, Pagina/e 115422, ISSN 2469-9950
Editore: APS
DOI: 10.1103/physrevb.102.115422

Dual Fraunhofer interference and charge fluctuations in long quantum phase slip wires

Autori: S. E. de Graaf
Pubblicato in: Physical Review B, Numero 102/14, 2020, Pagina/e 144509, ISSN 2469-9950
Editore: APS
DOI: 10.1103/physrevb.102.144509

High-mobility transport in isotopically enriched ¹²C and ¹³C exfoliated graphene

Autori: Iwakiri, Shuichi; Miller, Jakob; Lang, Florian; Prettenthaler, Jakob; id_orcid0009-0001-6170-7873; Taniguchi, Takashi; Watanabe, Kenji; Lee, Sung Sik; id_orcid0000-0001-9267-232X; Becker, Pascal; Günther, Detlef; Ihn, Thomas Markus; id_orcid0000-0002-5587-6953; Ensslin, Klaus; id_orcid0000-0001-7007-6949
Pubblicato in: Physical Review Research, 5 (4), Numero 1, 2023, Pagina/e 043212, ISSN 2643-1564
Editore: AIP
DOI: 10.1103/physrevresearch.5.043212

Kondo effect and spin-orbit coupling in graphene quantum dots.

Autori: Annika Kurzmann; Yaakov Kleeorin; Chuyao Tong; Rebekka Garreis; Angelika Knothe; Marius Eich; Christopher Mittag; Carolin Gold; Folkert K. de Vries; Kenji Watanabe; Takashi Taniguchi; Vladimir I. Fal'ko; Yigal Meir; Thomas Ihn; Thomas Ihn; Klaus Ensslin; Klaus Ensslin
Pubblicato in: Nature Communications, Numero 12, 2021, Pagina/e 6004, ISSN 2041-1723
Editore: Nature Publishing Group
DOI: 10.3929/ethz-b-000521794

Driving a low critical current Josephson junction array with a mode-locked laser

Autori: J. Nissilä, T. Fordell, K. Kohopää, E. Mykkänen, P. Immonen, R. N. Jabdaraghi, E. Bardalen, O. Kieler, B. Karlsen, P. A. Øhlckers, R. Behr, A. J. Manninen, J. Govenius, and A. Kemppinen
Pubblicato in: Applied Physics Letters, Numero 119, 2021, Pagina/e 032601, ISSN 1077-3118
Editore: American Physical Society
DOI: 10.1063/5.0060804

Sharpness of the Berezinskii-Kosterlitz-Thouless transition in ultrathin NbN films

Autori: Weitzel, Alexander; Pfaffinger, Lea; Maccari, Ilaria; Kronfeldner, Klaus; Huber, Thomas; Fuchs, Lorenz; Mallord, James; Linzen, Sven; Il'ichev, Evgeni; Paradiso, Nicola; Strunk, Christoph
Pubblicato in: Physical Review Letters, Numero 131, 2023, Pagina/e 186002, ISSN 1079-7114
Editore: AIP
DOI: 10.1103/physrevlett.131.186002

Quantized current steps due to the a.c. coherent quantum phase-slip effect

Autori: Rais S. Shaikhaidarov; Kyung Ho Kim; Jacob W. Dunstan; Ilya V. Antonov; Sven Linzen; Mario Ziegler; Dmitry S. Golubev; Vladimir N. Antonov; Evgeni V. Il’ichev; Oleg V. Astafiev
Pubblicato in: Nature, Numero 608, 2022, Pagina/e 45-49, ISSN 0028-0836
Editore: Nature Publishing Group
DOI: 10.1038/s41586-022-04947-z

Superconducting phase transition in inhomogeneous chains of superconducting islands

Autori: Eduard Ilin, Irina Burkova, Xiangyu Song, Michael Pak, Dmitri S. Golubev, Alexey Bezryadin
Pubblicato in: Physical Review B, Numero 102/13, 2020, Pagina/e 134502, ISSN 2469-9950
Editore: APS
DOI: 10.1103/physrevb.102.134502

Fabry–Pérot cavities and quantum dot formation at gate-defined interfaces in twisted double bilayer graphene

Autori: Elías Portolés; Giulia Zheng; Folkert K. de Vries; Jihang Zhu; Petar Tomić; Takashi Taniguchi; Kenji Watanabe; Allan H. MacDonald; Klaus Ensslin; Thomas Ihn; Peter Rickhaus
Pubblicato in: 2D Materials, Numero 9, 2021, Pagina/e 014003, ISSN 2053-1583
Editore: IOP
DOI: 10.1088/2053-1583/ac33c2

Single-Shot Spin Readout in Graphene Quantum Dots

Autori: Lisa Maria Gächter, Rebekka Garreis, Jonas Daniel Gerber, Max Josef Ruckriegel, Chuyao Tong, Benedikt Kratochwil, Folkert Kornelis de Vries, Annika Kurzmann, Kenji Watanabe, Takashi Taniguchi, Thomas Ihn, Klaus Ensslin, and Wister Wei Huang
Pubblicato in: PRX Quantum, Numero 3, 2022, Pagina/e 020343, ISSN 2691-3399
Editore: APS
DOI: 10.1103/prxquantum.3.020343

Interference, diffraction, and diode effects in superconducting array based on bismuth antimony telluride topological insulator

Autori: Xiangyu Song; Soorya Suresh Babu; Yang Bai; Dmitry S. Golubev; Irina Burkova; Alexander Romanov; Eduard Ilin; James N. Eckstein; Alexey Bezryadin
Pubblicato in: Communications physics, Numero 6, 2023, Pagina/e 177, ISSN 2399-3650
Editore: Nature
DOI: 10.1038/s42005-023-01288-9

Capacitive coupling of coherent quantum phase slip qubits to a resonator

Autori: Teresa Hönigl-Decrinis, Ilya Antonov, Rais Shaikhaidarov, Kyung Ho Kim, Vladimir N Antonov and Oleg V Astafiev
Pubblicato in: New Journal of Physics, Numero 25, 2023, Pagina/e 113020, ISSN 1367-2630
Editore: Institute of Physics Publishing
DOI: 10.1088/1367-2630/ad042e

Supercurrent diode effect and magnetochiral anisotropy in few-layer NbSe2

Autori: Bauriedl, Lorenz; Bäuml, Christian; Fuchs, Lorenz; Baumgartner, Christian; Paulik, Nicolas; Bauer, Jonas M.; Lin, Kai-Qiang; Lupton, John M.; Taniguchi, Takashi; Watanabe, Kenji; Strunk, Christoph; Paradiso, Nicola
Pubblicato in: Nature Communications, Numero 13, 2022, Pagina/e 4266, ISSN 2041-1723
Editore: Nature Publishing Group
DOI: 10.1038/s41467-022-31954-5

Tailoring the Band Structure of Twisted Double Bilayer Graphene with Pressure.

Autori: Bálint Szentpéteri; Peter Rickhaus; Folkert K. de Vries; Albin Márffy; Bálint Fülöp; Endre Tóvári; Kenji Watanabe; Takashi Taniguchi; Andor Kormányos; Szabolcs Csonka; Péter Makk
Pubblicato in: Nano Letters, Numero 21, 2021, Pagina/e 8777, ISSN 1530-6992
Editore: American Chemical Society
DOI: 10.3929/ethz-b-000516208

Wafer-level uniformity of atomic-layer-deposited niobium nitride thin films for quantum devices

Autori: Emanuel Knehr; Emanuel Knehr; Mario Ziegler; Sven Linzen; Konstantin Ilin; Patrick Schanz; Jonathan Plentz; Marco Diegel; Heidemarie Schmidt; Heidemarie Schmidt; Evgeni Il'ichev; Michael Siegel
Pubblicato in: Journal of vacuum science and technology A, Numero 39, 2021, Pagina/e 052401, ISSN 1520-8559
Editore: American Institute of Physics
DOI: 10.1116/6.0001126

Supporting quantum technologies with an ultralow-loss silicon photonics platform

Autori: Matteo Cherchi; Arijit Bera; Antti Kemppinen; Jaani Nissilä; Kirsi Tappura; Marco Caputo; Lauri Lehtimäki; Janne Lehtinen; Joonas Govenius; Tomi Hassinen; Mika Prunnila; Timo Aalto
Pubblicato in: Advanced Photonics Nexus, Numero 2, 2023, Pagina/e 024002, ISSN 2791-1519
Editore: SPIE and Chinese Laser Press
DOI: 10.1117/1.apn.2.2.024002

A tunable monolithic SQUID in twisted bilayer graphene

Autori: Elías Portolés; Shuichi Iwakiri; Giulia Zheng; Peter Rickhaus; Takashi Taniguchi; Kenji Watanabe; Thomas Ihn; Klaus Ensslin; Folkert K. de Vries
Pubblicato in: Nature Nanotechnology, Numero 17, 2022, Pagina/e 1159-1164, ISSN 1748-3387
Editore: Nature Publishing Group
DOI: 10.1038/s41565-022-01222-0

Scattering between Minivalleys in Twisted Double Bilayer Graphene

Autori: Petar Tomić; Peter Rickhaus; Aitor Garcia-Ruiz; Giulia Zheng; Elías Portolés; Vladimir Fal’ko; Kenji Watanabe; Takashi Taniguchi; Klaus Ensslin; Thomas Ihn; Folkert K. de Vries
Pubblicato in: Physical Review Letters, Numero 128, 2021, Pagina/e 057702, ISSN 1079-7114
Editore: American Physical Society
DOI: 10.1103/physrevlett.128.057702

Superconducting NbN-Al hybrid technology for quantum devices

Autori: E. Mutsenik; S. Linzen; E. Il’ichev ; M. Schmelz ; M. Ziegler ; V. Ripka; B. Steinbach; G. Oelsner ; U. Hübner ; R. Stolz
Pubblicato in: Low temperature Physics, Numero 49, 2023, Pagina/e 92, ISSN 1090-6517
Editore: AIP
DOI: 10.1063/10.0016481

Supercurrent and Phase Slips in a Ballistic Carbon Nanotube Bundle Embedded into a van der Waals Heterostructure

Autori: Christian Bäuml; Lorenz Bauriedl; Magdalena Marganska; Milena Grifoni; Christoph Strunk; Nicola Paradiso
Pubblicato in: Nano Letters, Numero 21, 2021, Pagina/e 8627, ISSN 1530-6992
Editore: American Chemical Society
DOI: 10.1021/acs.nanolett.1c02565

Gate-defined Josephson junctions in magic-angle twisted bilayer graphene

Autori: Folkert K. de Vries; Elías Portolés; Giulia Zheng; Takashi Taniguchi; Kenji Watanabe; Thomas Ihn; Klaus Ensslin; Peter Rickhaus
Pubblicato in: Nature Nanotechnology, Numero 16, 2021, Pagina/e 760, ISSN 1748-3387
Editore: Nature Publishing Group
DOI: 10.1038/s41565-021-00896-2

Gate-Defined Electron Interferometer in Bilayer Graphene

Autori: Shuichi Iwakiri; Folkert K. de Vries; Elías Portolés; Giulia Zheng; Takashi Taniguchi; Kenji Watanabe; Thomas Ihn; Klaus Ensslin
Pubblicato in: Nano Letters, Numero 22, 2022, Pagina/e 6292-6297, ISSN 1530-6992
Editore: ACS
DOI: 10.1021/acs.nanolett.2c01874

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