Understanding unconventional superconductivity in twisted flatlands

Project Information

SuperTwist

Grant agreement ID: 852927

DOI

10.3030/852927

Project closed

EC signature date 4 December 2019

Start date 1 March 2020

End date 28 February 2026

Funded under

• EXCELLENT SCIENCE - European Research Council (ERC)

Total cost

€ 1 780 728,00

EU contribution

€ 1 780 728,00

Coordinated by

LUDWIG-MAXIMILIANS-UNIVERSITAET MUENCHEN
Germany

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Links to deliverables and publications from FP7 projects, as well as links to some specific result types such as dataset and software, are dynamically retrieved from OpenAIRE .

Deliverables

Open Research Data Pilot (1)

Data Management Plan

Publications

Peer reviewed articles (23)

Superconducting junctions with flat bands

Author(s): P. Virtanen, R. P. S. Penttilä, P. Törmä, A. Díez-Carlón, D. K. Efetov, T. T. Heikkilä
Published in: Physical Review B, Issue 112, 2025, ISSN 2469-9950
Publisher: American Physical Society (APS)
DOI: 10.1103/7f1y-kjyl

Moiré materials based on M-point twisting

Author(s): Dumitru Călugăru, Yi Jiang, Haoyu Hu, Hanqi Pi, Jiabin Yu, Maia G. Vergniory, Jie Shan, Claudia Felser, Leslie M. Schoop, Dmitri K. Efetov, Kin Fai Mak, B. Andrei Bernevig
Published in: Nature, Issue 643, 2025, Page(s) 376-381, ISSN 0028-0836
Publisher: Nature Publishing Group
DOI: 10.1038/s41586-025-09187-5

Symmetry-broken Josephson junctions and superconducting diodes in magic-angle twisted bilayer graphene

Author(s): J. Díez-Mérida, A. Díez-Carlón, S. Y. Yang, Y.-M. Xie, X.-J. Gao, J. Senior, K. Watanabe, T. Taniguchi, X. Lu, A. P. Higginbotham, K. T. Law, Dmitri K. Efetov
Published in: Nature Communications, Issue 14, 2023, ISSN 2041-1723
Publisher: Nature Publishing Group
DOI: 10.1038/s41467-023-38005-7

Infrared photoresistance as a sensitive probe of electronic transport in twisted bilayer graphene

Author(s): S Hubmann, G Di Battista, I A Dmitriev, K Watanabe, T Taniguchi, D K Efetov, S D Ganichev
Published in: 2D Materials, Issue 10, 2022, Page(s) 015005, ISSN 2053-1583
Publisher: IOP Publishing
DOI: 10.1088/2053-1583/ac9b70

Quantum critical behaviour in magic-angle twisted bilayer graphene

Author(s): Jaoui, Alexandre; Das, Ipsita; Di Battista, Giorgio; Diez-Merida, Jaime; Lu, Xiaobo; Watanabe, Kenji; Taniguchi, Takashi; Ishizuka, Hiroaki; Levitov, Leonid; Efetov, Dmitri K.
Published in: Nature Physics, Issue 18, 2021, Page(s) 633, ISSN 1745-2481
Publisher: Nature Publishing Group
DOI: 10.1038/s41567-022-01556-5

Probing the Flat-Band Limit of the Superconducting Proximity Effect in Twisted Bilayer Graphene Josephson Junctions

Author(s): A. Díez-Carlón, J. Díez-Mérida, P. Rout, D. Sedov, P. Virtanen, S. Banerjee, R. P. S. Penttilä, P. Altpeter, K. Watanabe, T. Taniguchi, S.-Y. Yang, K. T. Law, T. T. Heikkilä, P. Törmä, M. S. Scheurer, D. K. Efetov
Published in: Physical Review X, Issue 15, 2025, ISSN 2160-3308
Publisher: American Physical Society
DOI: 10.1103/ccb4-tqxq

Twisted bilayer graphene. IV. Exact insulator ground states and phase diagram

Author(s): Biao Lian, Zhi-Da Song, Nicolas Regnault, Dmitri K. Efetov, Ali Yazdani, B. Andrei Bernevig
Published in: Physical Review B, Issue 103/20, 2021, ISSN 2469-9950
Publisher: APS
DOI: 10.1103/physrevb.103.205414

Revealing Electron–Electron Interactions in Graphene at Room Temperature with a Quantum Twisting Microscope

Author(s): M. Lee, I. Das, J. Herzog-Arbeitman, J. Papp, J. Li, M. Daschner, Z. Zhou, M. Bhatt, M. Currle, J. Yu, Y. Jiang, M. Becherer, R. Mittermeier, P. Altpeter, C. Obermayer, H. Lorenz, G. Chavez, B. T. Le, J. Williams, K. Watanabe, T. Taniguchi, B. A. Bernevig, D. K. Efetov
Published in: Nano Letters, Issue 26, 2026, Page(s) 4046-4052, ISSN 1530-6984
Publisher: American Chemical Society
DOI: 10.1021/acs.nanolett.5c05015

Untying the insulating and superconducting orders in magic-angle graphene

Author(s): Petr Stepanov, Ipsita Das, Xiaobo Lu, Ali Fahimniya, Kenji Watanabe, Takashi Taniguchi, Frank H. L. Koppens, Johannes Lischner, Leonid Levitov, Dmitri K. Efetov
Published in: Nature, Issue 583/7816, 2020, Page(s) 375-378, ISSN 0028-0836
Publisher: Nature Publishing Group
DOI: 10.1038/s41586-020-2459-6

Ultrasensitive Calorimetric Measurements of the Electronic Heat Capacity of Graphene

Author(s): Mohammed Ali Aamir, John N. Moore, Xiaobo Lu, Paul Seifert, Dirk Englund, Kin Chung Fong, Dmitri K. Efetov
Published in: Nano Letters, Issue 21, 2023, Page(s) 5330-5337, ISSN 1530-6984
Publisher: American Chemical Society
DOI: 10.1021/acs.nanolett.1c01553

Dirac spectroscopy of strongly correlated phases in twisted trilayer graphene

Author(s): Cheng Shen, Patrick J. Ledwith, Kenji Watanabe, Takashi Taniguchi, Eslam Khalaf, Ashvin Vishwanath & Dmitri K. Efetov
Published in: Nature Materials, Issue 22, 2023, Page(s) 316–321, ISSN 1476-1122
Publisher: Nature Publishing Group
DOI: 10.1038/s41563-022-01428-6

Infrared single-photon detection with superconducting magic-angle twisted bilayer graphene

Author(s): Giorgio Di Battista, Kin Chung Fong, Andrés Díez-Carlón, Kenji Watanabe, Takashi Taniguchi, Dmitri K. Efetov
Published in: Science Advances, Issue 10, 2024, ISSN 2375-2548
Publisher: American Association for the Advancement of Science (AAAS)
DOI: 10.1126/sciadv.adp3725

Symmetry-broken Chern insulators and Rashba-like Landau-level crossings in magic-angle bilayer graphene

Author(s): Ipsita Das, Xiaobo Lu, Jonah Herzog-Arbeitman, Zhi-Da Song, Kenji Watanabe, Takashi Taniguchi, B. Andrei Bernevig, Dmitri K. Efetov
Published in: Nature Physics, Issue 17/6, 2021, Page(s) 710-714, ISSN 1745-2473
Publisher: Nature Publishing Group
DOI: 10.1038/s41567-021-01186-3

High-yield fabrication of bubble-free magic-angle twisted bilayer graphene devices with high twist-angle homogeneity

Author(s): Jaime Díez-Mérida, Ipsita Das, Giorgio Di Battista, Andrés Díez-Carlón, Martin Lee, Lunjie Zeng, Kenji Watanabe, Takashi Taniguchi, Eva Olsson, Dmitri K. Efetov
Published in: Newton, Issue 1, 2025, Page(s) 100007, ISSN 2950-6360
Publisher: Elsevier BV
DOI: 10.1016/j.newton.2024.100007

Nonlinear intensity dependence of photogalvanics and photoconductance induced by terahertz laser radiation in twisted bilayer graphene close to magic angle

Author(s): Hubmann, S.; Soul, P.; Di Battista, G.; Hild, M.; Watanabe, K.; Taniguchi, T.; Efetov, D. K.; Ganichev, S. D.
Published in: PHYSICAL REVIEW MATERIALS, Issue 6, 2022, Page(s) 24003, ISSN 2475-9953
Publisher: APS
DOI: 10.1103/physrevmaterials.6.024003

Revealing the Thermal Properties of Superconducting Magic-Angle Twisted Bilayer Graphene

Author(s): Giorgio Di Battista, Paul Seifert, Kenji Watanabe, Takashi Taniguchi, Kin Chung Fong, Alessandro Principi, and Dmitri K. Efetov*
Published in: Nano Letters, Issue 22, 2022, Page(s) 6465–6470, ISSN 1530-6984
Publisher: American Chemical Society
DOI: 10.1021/acs.nanolett.1c04512

Observation of Reentrant Correlated Insulators and Interaction-Driven Fermi-Surface Reconstructions at One Magnetic Flux Quantum per Moire? Unit Cell in Magic-Angle Twisted Bilayer Graphene

Author(s): Das, Ipsita; Shen, Cheng; Jaoui, Alexandre; Herzog-Arbeitman, Jonah; Chew, Aaron; Cho, Chang-Woo; Watanabe, Kenji; Taniguchi, Takashi; Piot, Benjamin A.; Bernevig, B. Andrei; Efetov, Dmitri K.
Published in: Physical Review Letters, Issue 128, 2022, Page(s) 217701, ISSN 1079-7114
Publisher: APS
DOI: 10.1103/physrevlett.128.217701

The 2D materials roadmap

Author(s): Wencai Ren, Peter Bøggild, Joan Redwing, Kostya S Novoselov, Luzhao Sun, Yue Qi, Kaicheng Jia, Zhongfan Liu, Oliver Burton, Jack Alexander-Webber, Stephan Hofmann, Yang Cao, Yu Long, Quan-Hong Yang, Dan Li, Soo Ho Choi, Ki Kang Kim, Young Hee Lee, Mian Li, Qing Huang, Yury Gogotsi, Nicholas Clark, Amy Carl, Roman Gorbachev, Thomas Olsen, Johanna Rosen, Kristian Sommer Thygesen, Dmitri K Efetov, B
Published in: 2D Materials, Issue 13, 2026, Page(s) 021501, ISSN 2053-1583
Publisher: IOP Publishing
DOI: 10.1088/2053-1583/ae2b82

Flat band Josephson junctions with quantum metric

Author(s): Zhong C. F. Li, Yuxuan Deng, Shuai A. Chen, Dmitri K. Efetov, K. T. Law
Published in: Physical Review Research, Issue 7, 2025, ISSN 2643-1564
Publisher: American Physical Society (APS)
DOI: 10.1103/physrevresearch.7.023273

Chern mosaic and Berry-curvature magnetism in magic-angle graphene

Author(s): Sameer Grover, Matan Bocarsly, Aviram Uri, Petr Stepanov, Giorgio Di Battista, Indranil Roy, Jiewen Xiao, Alexander Y. Meltzer, Yuri Myasoedov, Keshav Pareek, Kenji Watanabe, Takashi Taniguchi, Binghai Yan, Ady Stern, Erez Berg, Dmitri K. Efetov & Eli Zeldov
Published in: Nature Physics, Issue 18, 2022, Page(s) 885–892, ISSN 1745-2473
Publisher: Nature Publishing Group
DOI: 10.1038/s41567-022-01635-7

Interplay between light and heavy electron bands in magic-angle twisted bilayer graphene

Author(s): Rafael Luque Merino, Dumitru Călugăru, Haoyu Hu, Jaime Díez-Mérida, Andrés Díez-Carlón, Takashi Taniguchi, Kenji Watanabe, Paul Seifert, B. Andrei Bernevig, Dmitri K. Efetov
Published in: Nature Physics, Issue 21, 2025, Page(s) 1078-1084, ISSN 1745-2473
Publisher: Nature Publishing Group
DOI: 10.1038/s41567-025-02912-x

Reentrant correlated insulators in twisted bilayer graphene at 25T (2π flux)

Author(s): J. Herzog-Arbeitman, A. Chew, D. K. Efetov and B. A. Bernevig
Published in: Physical Review Letters, Issue 129, 2022, Page(s) 076401, ISSN 0031-9007
Publisher: American Physical Society
DOI: 10.1103/physrevlett.129.076401

Competing Zero-Field Chern Insulators in Superconducting Twisted Bilayer Graphene

Author(s): Stepanov, Petr; Xie, Ming; Taniguchi, Takashi; Watanabe, Kenji; Lu, Xiaobo; MacDonald, Allan H.; Bernevig, B. Andrei; Efetov, Dmitri K.
Published in: PHYSICAL REVIEW LETTERS, Issue 127, 2021, Page(s) 197701, ISSN 1079-7114
Publisher: APS
DOI: 10.1103/physrevlett.127.197701