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2024

Quantitative determination of twist angle and strain in Van der Waals moiré superlattices
Steven J. Tran, Jan-Lucas Uslu, Mihir Pendharkar, Joe Finney, Aaron L. Sharpe, Marisa Hocking, Nathan J. Bittner, Kenji Watanabe, Takashi Taniguchi, Marc A. Kastner, Andrew J. Mannix, David Goldhaber-Gordon
arXiv:2406.08681
PDF     arXiv    

Deterministic fabrication of graphene hexagonal boron nitride moiré superlattices
Rupini V. Kamat*, Aaron L. Sharpe*, Mihir Pendharkar, Jenny Hu, Steven J. Tran, Gregory Zaborski Jr., Marisa Hocking, Joe Finney, Kenji Watanabe, Takashi Taniguchi, Marc A. Kastner, Andrew J. Mannix, Tony Heinz, David Goldhaber-Gordon
arXiv:2405.18588
PDF     arXiv    

Automated Tabletop Exfoliation and Identification of Monolayer Graphene Flakes
Elijah Courtney, Mihir Pendharkar, Nathan J. Bittner, Aaron L. Sharpe, David Goldhaber-Gordon
arXiv:2403.12901
PDF     arXiv    

Torsional Force Microscopy of Van der Waals Moirés and Atomic Lattices
Mihir Pendharkar, Steven J. Tran, Gregory Zaborski Jr., Joe Finney, Aaron L. Sharpe, Rupini V. Kamat, Sandesh S. Kalantre, Marisa Hocking, Nathan J. Bittner, Kenji Watanabe, Takashi Taniguchi, Bede Pittenger, Christina J. Newcomb, Marc A. Kastner, Andrew J. Mannix, David Goldhaber-Gordon
PNAS 121, e2314083121 (2024)
PDF     arXiv     PNAS    

2023

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, and Pablo Jarillo-Herrero
arXiv:2310.12204
PDF     arXiv    

Magnetic field stabilized Wigner crystal states in a graphene moiré superlattice
Guorui Chen, Ya-Hui Zhang, Aaron L. Sharpe, Zuocheng Zhang, Shaoxin Wang, Lili Jiang, Bosai Lyu, Hongyuan Li, Kenji Watanabe, Takashi Taniguchi, Zhiwen Shi, David Goldhaber-Gordon, Yuanbo Zhang, Feng Wang
Nano Lett. 23, 7023-7028 (2023)
PDF     arXiv     Nano Lett.    

Unusual magnetotransport in twisted bilayer graphene from strain-induced open Fermi surfaces
Xiaoyu Wang, Joe Finney, Aaron L. Sharpe, Linsey K. Rodenbach, Connie L. Hsueh, Kenji Watanabe, Takashi Taniguchi, Marc A. Kastner, Oskar Vafek, and David Goldhaber-Gordon
PNAS 120, e2307151120 (2023)
PDF     arXiv     PNAS    

2022

Stacks on stacks on stacks
Aaron L. Sharpe
Nature Materials 21, 842-843 (2022)
PDF     Nat. Mater.    

Directional ballistic transport in the two-dimensional metal PdCoO2
Maja D. Bachmann*, Aaron L. Sharpe*, Graham Baker, Arthur W. Barnard, Carsten Putzke, Thomas Scaffidi, Nabhanila Nandi, Philippa H. McGuinness, Elina Zhakina, Michal Moravec, Seunghyun Khim, Markus König, David Goldhaber-Gordon, Douglas A. Bonn, Andrew P. Mackenzie, and Philip J. W. Moll
Nature Physics 18, 819-824 (2022)
PDF     arXiv     Nat. Phys.    

Unusual magnetotransport in twisted bilayer graphene
Joe Finney, Aaron L. Sharpe, Eli J. Fox, Connie L. Hsueh, Daniel E. Parker, Matthew Yankowitz, Shaowen Chen, Kenji Watanabe, Takashi Taniguchi, Cory R. Dean, Ashvin Vishwanath, Marc A. Kastner, and David Goldhaber-Gordon
PNAS 119, e2118482119 (2022)
PDF     Data     arXiv     PNAS    

Tunable ferromagnetism at non-integer filling of a moiré superlattice
Guorui Chen*, Aaron L. Sharpe*, Eli J. Fox*, Shaoxin Wang, Bosai Lyu, Lili Jiang, Hongyuan Li, Kenji Watanabe, Takashi Taniguchi, Michael F. Crommie, Marc A. Kastner, Zhiwen Shi, David Goldhaber-Gordon, Yuanbo Zhang, and Feng Wang
Nano Lett. 22, 238-245 (2022)
PDF     arXiv     Nano Lett.    

2021

Evidence of orbital ferromagnetism in twisted bilayer graphene aligned to hexagonal boron nitride
Aaron L. Sharpe, Eli J. Fox, Arthur W. Barnard, Joe Finney, Kenji Watanabe, Takashi Taniguchi, Marc A. Kastner, and David Goldhaber-Gordon
Nano Lett. 21, 4299-4304 (2021)
PDF     Git     Data     arXiv     Nano Lett.    

2020

Correlations in moiré heterostructures
Thesis, Stanford University (2020)
PDF     Stanford

Tunable correlated Chern insulator and ferromagnetism in a moiré superlattice
Guorui Chen, Aaron L. Sharpe, Eli J. Fox, Ya-Hui Zhang, Shaoxin Wang, Lili Jiang, Bosai Lyu, Hongyuan Li, Kenji Watanabe, Takashi Taniguchi, Zhiwen Shi, T. Senthil, David Goldhaber-Gordon, Yuanbo Zhang, and Feng Wang
Nature 579, 56-61 (2020)
PDF     arXiv     Nature

2019

Super-geometric electron focusing on the hexagonal Fermi surface of PdCoO2
Maja D. Bachmann*, Aaron L. Sharpe*, Arthur W. Barnard, Carsten Putzke, Markus König, Seunghyun Khim, David Goldhaber-Gordon, Andrew P. Mackenzie, and Philip J. W. Moll
Nature Communications 10, 5081 (2019)
PDF     Supplement     arXiv     Nat. Comms.

Emergent ferromagnetism near three-quarters filling in twisted bilayer graphene
Aaron L. Sharpe*, Eli J. Fox*, Arthur W. Barnard, Joe Finney, Kenji Watanabe, Takashi Taniguchi, Marc A. Kastner, and David Goldhaber-Gordon
Science 365, 605-608 (2019)
PDF     Supplement     Git     Data     arXiv     Science

Signatures of tunable superconductivity in a trilayer graphene moiré superlattice
Guorui Chen*, Aaron L. Sharpe*, Patrick Gallagher, Ilan T. Rosen, Eli J. Fox, Lili Jiang, Bosai Lyu, Hongyuan Li, Kenji Watanabe, Takashi Taniguchi, Jeil Jung, Zhiwen Shi, David Goldhaber-Gordon, Yuanbo Zhang, and Feng Wang
Nature 572, 215-219 (2019)
PDF     arXiv     Nature

2017

Absorptive pinhole collimators for ballistic Dirac fermions in graphene
Arthur W. Barnard, Alex Hughes, Aaron L. Sharpe, Kenji Watanabe, Takashi Taniguchi, and David Goldhaber-Gordon
Nature Communications 8, 15418 (2017)
PDF     Supplement     arXiv     Nat. Comms.

2012

Geometry of the Vapor Layer Under a Leidenfrost Drop
Justin C. Burton, Aaron L. Sharpe, Roeland C. A. van der Veen, Andrés Franco, and Sidney R. Nagel
Phys. Rev. Lett. 109, 074301 (2012)
PDF     arXiv     PRL