Publications

Preprints, currently under review
  1. J. Barrier, R. E. Beal, A. Gold-Parker, J. A. Vigil, E. Wolf, L. Waquier, N. J. Weadock, Z. Zhang, L. T. Schelhas, A. F. Nogueira, M. D. McGehee, and M. F. Toney, Heterogeneity in Cs1-yFayPb(I1-xBrx)3 Perovskite Films, Preprint Available upon Request (2021).
    @unpublished{barrier2021,
      author = {Barrier, Julien and Beal, Rachel E and Gold-Parker, Aryeh and Vigil, Julian A and Wolf, Eli and Waquier, Louis and Weadock, Nicholas J and Zhang, Zihan and Schelhas, Laura T and Nogueira, Ana Flávia and McGehee, Michael D and Toney, Michael F},
      title = {Heterogeneity in Cs1-yFayPb(I1-xBrx)3 Perovskite Films},
      year = {2021},
      journal = {preprint available upon request}
    }
    
Peer-reviewed papers
  1. S. Xu, M. M. Al Ezzi, N. Balakrishnan, A. Garcia-Ruiz, B. Tsim, C. Mullan, J. Barrier, N. Xin, B. A. Piot, T. Taniguchi, K. Watanabe, A. Carvalho, A. Mishchenko, A. K. Geim, V. I. Fal’ko, S. Adam, A. H. Castro Neto, K. S. Novoselov, and Y. Shi, Tuneable Van Hove Singularities and Correlated States in Twisted Monolayer-Bilayer Graphene, Nature Physics (2021). [arXiv:2004.15040] [DOI]
    @article{xunatphys2021,
      author = {Xu, Shuigang and Al Ezzi, Mohammed M. and Balakrishnan, Nilanthy and Garcia-Ruiz, Aitor and Tsim, Bonnie and Mullan, Ciaran and Barrier, Julien and Xin, Na and Piot, Benjamin A. and Taniguchi, Takashi and Watanabe, Kenji and Carvalho, Alexandra and Mishchenko, Artem and Geim, Andre K. and Fal'ko, Vladimir I. and Adam, Shaffique and Castro Neto, Antonio Helio and Novoselov, Kostya S. and Shi, Yanmeng},
      title = {Tuneable van Hove Singularities and Correlated States in Twisted Monolayer-Bilayer Graphene},
      journal = {Nature Physics},
      year = {2021},
      arxiv = {2004.15040},
      doi = {10.1038/s41567-021-01172-9}
    }
    
  2. J. Barrier, P. Kumaravadivel, R. Krishna-Kumar, L. A. Ponomarenko, N. Xin, M. Holwill, C. Mullan, M. Kim, R. V. Gorbachev, M. D. Thompson, J. R. Prance, T. Taniguchi, K. Watanabe, I. V. Grigorieva, K. S. Novoselov, A. Mishchenko, V. I. Fal’ko, A. I. Berdyugin, and A. K. Geim, Long-Range Ballistic Transport of Brown-Zak Fermions in Graphene Superlattices, Nature Communications 11, 5756 (2020). [arXiv:2006.15040] [DOI] [PDF] [SI]
    @article{barriernatcomms2020,
      title = {Long-range ballistic transport of Brown-Zak fermions in graphene superlattices},
      author = {Barrier, Julien and Kumaravadivel, Piranavan and Krishna-Kumar, Roshan and Ponomarenko, Leonid A. and Xin, Na and Holwill, Matthew and Mullan, Ciaran and Kim, Minsoo and Gorbachev, Roman V. and Thompson, Michael D. and Prance, Jonathan R. and Taniguchi, Takashi and Watanabe, Kenji and Grigorieva, Irina V. and Novoselov, Kostya S. and Mishchenko, Artem and Fal'ko, Vladimir I. and Berdyugin, Alexey I. and Geim, Andre K.},
      journal = {Nature communications},
      volume = {11},
      pages = {5756},
      year = {2020},
      publisher = {Nature Publishing Group},
      doi = {10.1038/s41467-020-19604-0},
      arxiv = {2006.15040}
    }
    
  3. Y. Shi, S. Xu, Y. Yang, S. Slizovskiy, S. V. Morozov, S.-K. Son, S. Ozdemir, C. Mullan, J. Barrier, J. Yin, A. I. Berdyugin, B. A. Piot, T. Taniguchi, K. Watanabe, V. I. Fal’ko, K. S. Novoselov, A. K. G. Geim, and A. Mishchenko, Electronic Phase Separation in Multilayer Rhombohedral Graphite, Nature 584, 210 (2020). [arXiv:1911.04565] [DOI]
    @article{shinature2020,
      title = {Electronic phase separation in multilayer rhombohedral graphite},
      author = {Shi, Yanmeng and Xu, Shuigang and Yang, Yaping and Slizovskiy, Sergey and Morozov, Sergei V. and Son, Seok-Kyun and Ozdemir, Servet and Mullan, Ciaran and Barrier, Julien and Yin, Jun and Berdyugin, Alexei I. and Piot, Benjamin A. and Taniguchi, Takashi and Watanabe, Kenji and Fal'ko, Vladimir I. and Novoselov, Kostya S. and Geim, Andre K. Geim and Mishchenko, Artem},
      journal = {Nature},
      volume = {584},
      pages = {210--214},
      year = {2020},
      publisher = {Nature Publishing Group},
      doi = {10.1038/s41586-020-2568-2},
      arxiv = {1911.04565}
    }
    
  4. R. E. Beal, N. Z. Hagström, J. Barrier, A. Gold-Parker, R. Prasanna, K. A. Bush, D. Passarello, L. T. Schelhas, K. Brüning, C. J. Tassone, H.-G. Steinrück, M. D. McGehee, M. F. Toney, and A. F. Nogueira, Structural Origins of Light-Induced Phase Segregation In Organic-Inorganic Halide Perovskite Photovoltaic Materials, Matter 2, 207 (2020). [DOI]
    @article{bealmatter2020,
      title = {Structural origins of light-induced phase segregation in
          organic-inorganic halide perovskite photovoltaic materials},
      author = {Beal, Rachel E. and Hagström, Nanna Zhou and Barrier, Julien and Gold-Parker, Aryeh and Prasanna, Rohit and Bush, Kevin A. and Passarello, Donata and Schelhas, Laura T. and Brüning, Karsten and Tassone, Christopher J. and Steinrück, Hans-Georg and McGehee, Michael D. and Toney, Michael F. and Nogueira, Ana Flávia},
      journal = {Matter},
      volume = {2},
      issue = {1},
      pages = {207-219},
      year = {2020},
      doi = {10.1016/j.matt.2019.11.001}
    }
    
Peer-reviewed conference abstracts
  1. J. Barrier, A. I. Berdyugin, P. Kumaravadivel, V. I. Fal’ko, and A. K. Geim, Long-Range Ballistic Transport of Brown-Zak Fermions in Graphene Superlattices, in Bulletin of the American Physical Society (APS March, Online, 2021). [url]
  2. J. Barrier, A. I. Berdyugin, P. Kumaravadivel, V. I. Fal’ko, and A. K. Geim, Ballistic Transport in the Magnetic Bloch States of Graphene Superlattices, in Graphene Conference (Grenoble, France, 2020). Best Talk Prize. [url]
  3. J. Barrier, A. I. Berdyugin, P. Kumaravadivel, T. Taniguchi, K. Watanabe, V. I. Fal’ko, and A. K. Geim, Direct Observation of Brown-Zak Mini-Bands in Graphene Superlattices, in Graphene Week, Graphene Flagship (Helsinki, Finland, 2019).
  4. M. F. Toney, R. E. Beal, J. Barrier, H.-G. Steinrück, M. D. McGehee, and A. F. Nogueira, Structural and Mechanistic Origins of Light-Induced Phase Segregation in Organic- Inorganic Halide Perovskite Photovoltaic Materials, in RSC MC 14 (Birmingham, UK, 2019).
  5. J. Barrier, A. Gold-Parker, E. Wolf, R. E. Beal, M. D. McGehee, and M. F. Toney, Tetragonal to Cubic Phase Transition In FA1-xCsxPb(I1-yBry)3: Temperature Dependance and Impact on Band Gap, in MRS Fall (Boston, MA, USA, 2018). [url]