Preprints
Helical trilayer graphene: a moiré platform for strongly-interacting topological bands
Li-Qiao Xia*, Sergio C de la Barrera*, Aviram Uri*, Aaron Sharpe, Yves H Kwan, Ziyan Zhu, Kenji Watanabe, Takashi Taniguchi, David Goldhaber-Gordon, Liang Fu, Trithep Devakul, Pablo Jarillo-Herrero, arXiv:2310.12204 (2023) |
Selected Publications
Magic-angle helical trilayer graphene
Trithep Devakul, Patrick J Ledwith, Li-Qiao Xia, Aviram Uri, Sergio C de la Barrera, Pablo Jarillo-Herrero, Liang Fu, Science Advances 9 , eadi6063 (2023) |
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Superconductivity and strong interactions in a tunable moiré quasicrystal
Aviram Uri*, Sergio C de la Barrera*, Mallika T Randeria*, Daniel Rodan-Legrain*, Trithep Devakul, Philip J D Crowley, Nisarga Paul, Kenji Watanabe, Takashi Taniguchi, Ron Lifshitz, Liang Fu, Raymond C Ashoori, Pablo Jarillo-Herrero, Nature 620 , 762 (2023) Featured in [ Chemistry World ], [ phys.org ], [ MIT News ], [ UofT News ], [ SciTechDaily ] |
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Cascade of isospin phase transitions in Bernal-stacked bilayer graphene at zero magnetic field
Sergio C de la Barrera, Samuel Aronson, Zhiren Zheng, Kenji Watanabe, Takashi Taniguchi, Qiong Ma, Pablo Jarillo-Herrero, Raymond Ashoori, Nature Physics 18 , 771 (2022) Featured in [ Journal Club for Condensed Matter Physics ] |
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Direct measurement of ferroelectric polarization in a tunable semimetal
Sergio C de la Barrera*, Qingrui Cao*, Yang Gao*, Yuan Gao, Vineetha S Bheemarasetty, Jiaqiang Yan, David G Mandrus, Wenguang Zhu, Di Xiao, Benjamin M Hunt, Nature Communications 12 , 5298 (2021) |
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Highly tunable junctions and non-local Josephson effect in magic-angle graphene tunnelling devices
Daniel Rodan-Legrain*, Yuan Cao*, Jeong Min Park*, Sergio C. de la Barrera, Mallika T. Randeria, Kenji Watanabe, Takashi Taniguchi, Pablo Jarillo-Herrero, Nature Nanotechnology 16 , 769 (2021) Featured in [ News & Views ], [ phys.org ] |
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Superconducting contact and quantum interference between two-dimensional van der Waals and three-dimensional conventional superconductors
Michael R Sinko, Sergio C de la Barrera, Olivia Lanes, Kenji Watanabe, Takashi Taniguchi, Susheng Tan, David Pekker, Michael Hatridge, Benjamin M Hunt, Phys. Rev. Materials 5 , 14001 (2021) Featured in [ Editors' Suggestion ] |
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Unconventional ferroelectricity in moiré heterostructures
Zhiren Zheng*, Qiong Ma*, Zhen Bi, Sergio de la Barrera, Ming-Hao Liu, Nannan Mao, Yang Zhang, Natasha Kiper, Kenji Watanabe, Takashi Taniguchi, Jing Kong, William A Tisdale, Ray Ashoori, Nuh Gedik, Liang Fu, Su-Yang Xu, Pablo Jarillo-Herrero, Nature 588 , 71 (2020) Featured in [ Journal Club for Condensed Matter Physics ] |
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Proximity-induced superconducting gap in the quantum spin Hall edge state of monolayer WTe
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Felix Lüpke*, Dacen Waters*, Sergio C. de la Barrera, Michael Widom, David G. Mandrus, Jiaqiang Yan, Randall M. Feenstra, Benjamin M. Hunt, Nature Physics 16 , 526 (2020) |
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Tuning Ising superconductivity with layer and spin-orbit coupling in two-dimensional transition-metal dichalcogenides
Sergio C. de la Barrera, Michael R. Sinko, Devashish P. Gopalan, Nikhil Sivadas, Kyle L. Seyler, Kenji Watanabe, Takashi Taniguchi, Adam W. Tsen, Xiaodong Xu, Di Xiao, Benjamin M. Hunt, Nature Communications 9 , 1427 (2018) |
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Thickness characterization of atomically thin WSe
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on epitaxial graphene by low-energy electron reflectivity oscillations
Sergio C. de la Barrera, Yu-Chuan Lin, Sarah M. Eichfeld, Joshua A. Robinson, Qin Gao, Michael Widom, Randall M. Feenstra, Journal of Vacuum Science & Technology B 34 , 04J106 (2016) Featured in [ Editor's Pick ] |
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Theory of resonant tunneling in bilayer-graphene/hexagonal-boron-nitride heterostructures
Sergio C. de la Barrera, Randall M. Feenstra, Applied Physics Letters 106 , 093115 (2015) |
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Theory of graphene-insulator-graphene tunnel junctions
Sergio C. de la Barrera, Qin Gao, Randall M. Feenstra, Journal of Vacuum Science & Technology 32 , 04E101 (2014) |