Deliverables Documents, reports (6) 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 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 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. 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. Websites, patent fillings, videos etc. (1) 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. Open Research Data Pilot (1) Data management plan (DMP) Complete the project data management plan and make it available to all project partners. Publications Peer reviewed articles (12) Enhancement of Superconductivity by Amorphizing Molybdenum Silicide Films Using a Focused Ion Beam Author(s): Emma Mykkänen, Arijit Bera, Janne S. Lehtinen, Alberto Ronzani, Katja Kohopää, Teresa Hönigl-Decrinis, Rais Shaikhaidarov, Sebastian E. de Graaf, Joonas Govenius, Mika Prunnila Published in: Nanomaterials, Issue 10/5, 2020, Page(s) 950, ISSN 2079-4991 Publisher: MDPI DOI: 10.3390/nano10050950 Superconducting ‘twin’ qubit Author(s): I. V. Antonov, R. S. Shaikhaidarov, V. N. Antonov, O. V. Astafiev Published in: Physical Review B, Issue 102/11, 2020, Page(s) 115422, ISSN 2469-9950 Publisher: APS DOI: 10.1103/physrevb.102.115422 Dual Fraunhofer interference and charge fluctuations in long quantum phase slip wires Author(s): S. E. de Graaf Published in: Physical Review B, Issue 102/14, 2020, Page(s) 144509, ISSN 2469-9950 Publisher: APS DOI: 10.1103/physrevb.102.144509 Kondo effect and spin-orbit coupling in graphene quantum dots. Author(s): 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 Published in: Nature Communications, Issue 12, 2021, Page(s) 6004, ISSN 2041-1723 Publisher: Nature Publishing Group DOI: 10.3929/ethz-b-000521794 Driving a low critical current Josephson junction array with a mode-locked laser Author(s): 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 Published in: Applied Physics Letters, Issue 119, 2021, Page(s) 032601, ISSN 1077-3118 Publisher: American Physical Society DOI: 10.1063/5.0060804 Superconducting phase transition in inhomogeneous chains of superconducting islands Author(s): Eduard Ilin, Irina Burkova, Xiangyu Song, Michael Pak, Dmitri S. Golubev, Alexey Bezryadin Published in: Physical Review B, Issue 102/13, 2020, Page(s) 134502, ISSN 2469-9950 Publisher: APS DOI: 10.1103/physrevb.102.134502 Fabry–Pérot cavities and quantum dot formation at gate-defined interfaces in twisted double bilayer graphene Author(s): 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 Published in: 2D Materials, Issue 9, 2021, Page(s) 014003, ISSN 2053-1583 Publisher: IOP DOI: 10.1088/2053-1583/ac33c2 Tailoring the Band Structure of Twisted Double Bilayer Graphene with Pressure. Author(s): Bálint Szentpéteri; Peter Rickhaus; Folkert K. de Vries; Albin Márffy; Bálint Fülöp; Endre Tóvári; Kenji Watanabe; Takashi Taniguchi; Andor Kormányos; Szabolcs Csonka; Péter Makk Published in: Nano Letters, Issue 21, 2021, Page(s) 8777, ISSN 1530-6992 Publisher: American Chemical Society DOI: 10.3929/ethz-b-000516208 Wafer-level uniformity of atomic-layer-deposited niobium nitride thin films for quantum devices Author(s): 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 Published in: Journal of vacuum science and technology A, Issue 39, 2021, Page(s) 052401, ISSN 1520-8559 Publisher: American Institute of Physics DOI: 10.1116/6.0001126 Scattering between Minivalleys in Twisted Double Bilayer Graphene Author(s): 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 Published in: Physical Review Letters, Issue 128, 2021, Page(s) 057702, ISSN 1079-7114 Publisher: American Physical Society DOI: 10.1103/physrevlett.128.057702 Supercurrent and Phase Slips in a Ballistic Carbon Nanotube Bundle Embedded into a van der Waals Heterostructure Author(s): Christian Bäuml; Lorenz Bauriedl; Magdalena Marganska; Milena Grifoni; Christoph Strunk; Nicola Paradiso Published in: Nano Letters, Issue 21, 2021, Page(s) 8627, ISSN 1530-6992 Publisher: American Chemical Society DOI: 10.1021/acs.nanolett.1c02565 Gate-defined Josephson junctions in magic-angle twisted bilayer graphene Author(s): Folkert K. de Vries; Elías Portolés; Giulia Zheng; Takashi Taniguchi; Kenji Watanabe; Thomas Ihn; Klaus Ensslin; Peter Rickhaus Published in: Nature Nanotechnology, Issue 16, 2021, Page(s) 760, ISSN 1748-3387 Publisher: Nature Publishing Group DOI: 10.1038/s41565-021-00896-2 Searching for OpenAIRE data... There was an error trying to search data from OpenAIRE No results available