Basic information

  • Current position: Max Planck Research Group Leader (W2), Low-Dimensional Electronics, MPI for Solid State Research, Stuttgart, Germany
  • Contact Information
    • Office: +49 711 689-1775
    • E-mail: j.barrier@fkf.mpg.de
    • Mailing address:
         Max-Planck-Institut für Festkörperforschung
         Heisenbergstraße 1
         70569 Stuttgart, Germany

Latest blog posts

Recent publications

  1. J. Barrier, R. Krishna Kumar, and F. H. L. Koppens, Moiré Nano-Optoelectronics, 2D Materials 13, 021501 (2026). [DOI]
  2. M. M. Al Ezzi, N. Xin, Y. Shi, S. Xu, J. Barrier, A. Berdyugin, S. Bhattacharjee, A. Knothe, K. Watanabe, T. Taniguchi, V. Fal’ko, G. Vignale, A. K. Geim, S. Adam, K. S. Novoselov, and M. Kim, Continuous Correlated States and Dual-Flatness in a Moiré Heterostructure, (2025). [arXiv:2604.13958]
  3. J. Barrier, L. Peng, S. Xu, V. I. Fal’ko, K. Watanabe, T. Tanigushi, A. K. Geim, S. Adam, and A. I. Berdyugin, Coulomb Screening of Superconductivity in Magic-Angle Twisted Bilayer Graphene, (2025). [arXiv:2412.01577] [DOI]
  4. A. Azimi, J. Barrier, A. Barreda, T. Bauer, F. Bouzari, A. Brokkelkamp, F. Buatier De Mongeot, T. Parsons, P. Christianen, S. Conesa-Boj, A. G. Curto, S. Das, B. Dias, I. Epstein, Z. Fedorova, F. J. García De Abajo, I. Goykhman, L. Greten, J. Grönqvist, L. Guarneri, Y. Guo, T. Hoekstra, X. Hu, B. Laudert, J. Lynch, S. Meyer, B. Munkhbat, D. Neshev, M. Ogienko, S. Papadopoulos, A. Parappurath, J. Sangers, P. Soubelet, C. Soukaras, G. Soavi, I. Staude, Z. Sun, K.-J. Tielrooij, M. G. Uddin, A. Ustinov, J. Van De Groep, J. Van Wezel, N. Vermeulen, H. Wang, Y. Wang, S. Xiao, B. You, and X. Zambrana-Puyalto, Photonics in Flatland: Challenges and Opportunities for Nanophotonics with 2D Semiconductors, Npj Nanophotonics 2, 44 (2025). [arXiv:2507.00336] [DOI]

Affiliation & Funding

Disclaimer: All views and opinions expressed on this blog are solely my own. They do not necessarily reflect those of any past or present employers, funding agencies, colleagues or organisations I have or had been affiliated with.