Quantum e-leaps flyer can be downloaded here.

Preprints

• C. Tong, A. Kurzmann, R. Garreis, K. Watanabe, T. Taniguchi, T. Ihn and K. Ensslin, Pauli blockade catalogue in bilayer graphene double quantum dots, https://arxiv.org/abs/2305.03479
• R. Garreis, C. Tong, J. Terle, M. J. Ruckriegel, J. D. Gerber, L. M. Gächter, K. Watanabe, T. Taniguchi, T. Ihn, K. Ensslin and W. W. Huang, Long-lived valley states in bilayer graphene quantum dots, https://arxiv.org/abs/2304.00980
• K. Kohopää, A. Ronzani, R. N. Jabdaraghi, A. Bera, M. Ribeiro, D. Hazra, E. Mykkänen, J. Senior, M. Prunnila, J. Govenius, J. S. Lehtinen and A. Kemppinen, Wafer-scale method for amorphizing superconducting thin films, https://arxiv.org/abs/2303.11202
• F. de Vries, S. Slizovskiy, P. Tomić, R. K. Kumar, A. Garcia-Ruiz, G. Zheng, E. Portolés, L. A. Ponomarenko, A. K. Geim, K. Watanabe, T. Taniguchi, V. Fal’ko, K. Ensslin, T. Ihn and P. Rickhaus, Kagomé quantum oscillations in graphene superlattices, https://arxiv.org/abs/2303.06403

Publications

1. S. Iwakiri, J. Miller, F. Lang, J. Prettenthaler, T. Taniguchi, K. Watanabe, S. Sik Lee, P. Becker, D. Günther, T. Ihn and K. Ensslin, High mobility transport in isotopically-enriched 12C and 13C exfoliated graphene, Phys. Rev. Research 5, 043212 (2023). https://arxiv.org/abs/2308.08175 DOI: https://doi.org/10.1103/PhysRevResearch.5.043212
2. A. Weitzel, L. Pfaffinger, K. Kronfeldner, T. Huber, L. Fuchs, S. Linzen, E. Il’ichev, N. Paradiso and C. Strunk, Sharpness of the Berezinskii-Kosterlitz-Thouless transition in ultrathin NbN films, Phys. Rev. Lett. 131, 186002 (2003) DOI: https://doi.org/10.1103/PhysRevLett.131.186002, https://arxiv.org/abs/2303.10639 
3. T. Hoenigl-Decrinis, I. Antonov, R. Shaikhaidarov, K. H. Kim, V. Antonov and O. Astafiev, Capacitive Coupling of Coherent Quantum Phase Slip Qubits to a Resonator, New Journal of Physics (2023), https://doi.org/10.1088/1367-2630/ad042e
4. R. Garreis, J. D. Gerber, V. Stará, C. Tong, C. Gold, M. Röösli, K. Watanabe, T. Taniguchi, K. Ensslin, T. Ihn, and A. Kurzmann, Counting statistics of single electron transport in bilayer graphene quantum dots, Phys. Rev. Research 5, 013042 (2023) https://doi.org/10.1103/PhysRevResearch.5.013042
5. M. Cherchi, A. Bera, A. Kemppinen, J. Nissilä, K. Tappura, M. Caputo, L. Lehtimäki, J. Lehtinen, J. Govenius, T. Hassinen, M. Prunnila and T. Aalto, Supporting quantum technologies with an ultralow-loss silicon photonics platform, Advanced Photonics Nexus 2, 024002 (2023). https://doi.org/10.1117/1.APN.2.2.024002
6. X. Song, S. S. Babu, Y. Bai, D. S. Golubev, I. Burkova, A. Romanov, E. Ilin, J. N. Eckstein, and A. Bezryadin, Interference, diffraction, and diode effects in superconducting array based on bismuth antimony telluride topological insulator, Communications Physics 6, 177 (2023) https://doi.org/10.1038/s42005-023-01288-9
7. E. Mutsenik, S. Linzen, E. Il’ichev, M. Schmelz, M. Ziegler, V. Ripka, B. Steinbach, G. Oelsner, U. Hübner, and R. Stolz, Superconducting NbN-Al hybrid technology for quantum devices, Low Temperature Physics 49, 92-95 (2023). https://doi.org/10.1063/10.0016481
8. E. Portolés, S. Iwakiri, G. Zheng, P. Rickhaus, T. Taniguchi, K. Watanabe, T. Ihn, K. Ensslin, and F. K. de Vries, A Tunable Monolithic SQUID in Twisted Bilayer Graphene, Nature Nanotechnology 17, 1159–1164 (2022) DOI: 10.1038/s41565-022-01222-0,  arXiv preprint 2201.13276
9. Shaikhaidarov, R.S., Kim, K.H., Dunstan, J.W. et al. Quantized current steps due to the a.c. coherent quantum phase-slip effect. Nature 608, 45–49 (2022). https://doi.org/10.1038/s41586-022-04947-z
10. S. Iwakiri, F. K. de Vries, E. Portolés, G. Zheng, T. Taniguchi, K. Watanabe, T. Ihn, and K. Ensslin, Gate-Defined Electron Interferometer in Bilayer Graphene, Nano Letters 22, 6292–6297 (2022), https://doi.org/10.1021/acs.nanolett.2c01874
11. L. Bauriedl, C. Bäuml, L. Fuchs, C. Baumgartner, N. Paulik, J. M. Bauer, K.-Q. Lin, J. M. Lupton, T. Taniguchi, K. Watanabe, C.Strunk, and N. Paradiso, Supercurrent diode effect and magnetochiral anisotropy in few-layer NbSe2 nanowires, Nature Communications 13,  4266 (2022). DOI: 10.1038/s41467-022-31954-5,  arXiv preprint 2110.15752
12. L. M. Gächter, R. Garreis, C. Tong, M. J. Ruckriegel, B. Kratochwil, F. K. de Vries, A. Kurzmann, K. Watanabe, T. Taniguchi, T. Ihn, K. Ensslin, W. W. Huang, Single-shot readout in graphene quantum dots, PRX Quantum 3, 020343 (2022). DOI:10.1103/PRXQuantum.3.020343, arXiv preprint 2112.12091
13. Tomić, P. Rickhaus, A. Garcia-Ruiz, G. Zheng, E. Portolés, V. Fal’ko, K. Watanabe, T. Taniguchi, K. Ensslin, T. Ihn, F. K. de Vries, Scattering between minivalleys in a moiré material, Phys. Rev. Lett. 128, 057702 (2021). DOI: https://doi.org/10.1103/PhysRevLett.128.057702
14. E. Portolés, G. Zheng, F. K. de Vries, J. Zhu, P. Tomić, T. Taniguchi, K. Watanabe, A. H. MacDonald, K. Ensslin, T. Ihn and P. Rickhaus, Fabry–Pérot cavities and quantum dot formation at gate-defined interfaces in twisted double bilayer graphene, 2D Materials 9, 014003 (2022).  DOI: https://doi.org/10.1088/2053-1583/ac33c2
15. Kurzmann, Y. Kleeorin, C. Tong, R. Garreis, A. Knothe, M. Eich, C. Mittag, C. Gold, F. K. de Vries, K. Watanabe, T. Taniguchi, V. Fal’ko, Y. Meir, T. Ihn & K. Ensslin, Kondo effect and spin–orbit coupling in graphene quantum dots, Nature Communications 12, 6004 (2021) DOI: https://doi.org/10.1038/s41467-021-26149-3
16. Szentpéteri, P. Rickhaus, F. K. de Vries, A. Márffy, B. Fülöp, E. Tóvári, K. Watanabe, T. Taniguchi, A. Kormányos, S. Csonka, and P. Makk, Tailoring the Band Structure of Twisted Double Bilayer Graphene with Pressure, Nano Letters 21, 8777–8784 (2021) DOI: https://doi.org/10.1021/acs.nanolett.1c03066
17. C. Bäuml, L. Bauriedl, M. Marganska, M. Grifoni, C. Strunk, and N. Paradiso, Supercurrent and Phase Slips in a Ballistic Carbon Nanotube Bundle Embedded into a van der Waals Heterostructure, Nano Letters 21, 8627-8633 (2021). DOI: 10.1021/acs.nanolett.1c02565, https://arxiv.org/abs/2010.07755
18. E. Knehr, M. Ziegler, S. Linzen, K. Ilin, P. Schanz, J. Plentz, M. Diegel, H. Schmidt, E. Il’ichev, and M. Siegel, Wafer-level uniformity of atomic-layer-deposited niobium nitride thin films for quantum devices, Journal of Vacuum Science & Technology A 39, 052401 (2021). DOI: https://doi.org/10.1116/6.0001126
19. 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, Driving a low critical current Josephson junction array with a mode-locked laser, Applied Physics Letters 119, 032601 (2021). DOI: https://doi.org/10.1063/5.0060804
20. F. K. de Vries, E. Portolés,  G. Zheng, T. Taniguchi, K. Watanabe, T. Ihn, K. Ensslin, and P. Rickhaus, Gate-defined Josephson junctions in magic-angle twisted bilayer graphene, Nature Nanotechnology (2021). DOI: https://doi.org/10.1038/s41565-021-00896-2
    https://arxiv.org/abs/2011.00011
21. S. E. de Graaf,  Dual Fraunhofer interference and charge fluctuations in long quantum phase slip wires, Phys. Rev. B 102, 144509 (2020).
    DOI: 10.1103/PhysRevB.102.144509
22. E. Ilin, I. Burkova, X. Song, M. Pak, D. S. Golubev, and A. Bezryadin, Superconducting phase transition in inhomogeneous chains of superconducting islands, Phys. Rev. B 102, 134502 (2020).
    DOI: 10.1103/PhysRevB.102.134502
23. I. V. Antonov, R. S. Shaikhaidarov, V. N. Antonov and O. V. Astafiev, Superconducting ‘twin’ qubit, Phys. Rev. B 102, 115422 (2020).
    DOI: 10.1103/PhysRevB.102.115422
24. E. Mykkänen et al., Enhancement of Superconductivity by Amorphizing Molybdenum Silicide Films Using a Focused Ion Beam, Nanomaterials 10, 950 (2020).
    DOI: 10.3390/nano10050950

 

Reports

Project generated reports & deliverables can be found on the H2020 webpage: https://cordis.europa.eu/project/id/862660/results

 

Media

• 2021-05-05: A material keyboard made from graphene [ETH Zurich news]
• 2020-11-19: Science news – Twisted Graphene Could Power New Generation Superconducting Electronics
• 2020-03-02: Press release – Quantum e-leaps launch
• 2020-02-24: Project flyer

 

Other

• S. Slizovskiy et al., “Aharonov-Bohm effect for the network of critical trajectories near Lifshitz transition leads to precursors of Brown-Zak oscillations”, APS March meeting abstract (2022)
• H. Bohuslavskyi et al., “Tunable impedance environment for quantum phase slip experiments”, APS March meeting abstract (2022)
• T. Hoenigl-Decrinis, “Capacitive Coupling of Coherent Quantum Phase Slip Qubits to a Resonator”, APS March meeting abstract (2022)