Bulletin of the American Physical Society
2024 APS March Meeting
Monday–Friday, March 4–8, 2024; Minneapolis & Virtual
Session T09: Heavy Fermions and Flat Bands in Twisted Graphene Bilayers
11:30 AM–1:54 PM,
Thursday, March 7, 2024
Room: L100J
Sponsoring
Unit:
DCMP
Chair: angiolo huaman gutierrez, University of Arkansas
Abstract: T09.00011 : Novel assembly process for reducing twist disorder in graphene moiré heterostrutures*
1:30 PM–1:42 PM
Presenter:
Chaitrali Duse
(Stanford University)
Authors:
Chaitrali Duse
(Stanford University)
Aaron L Sharpe
(Sandia National Laboratories)
Joe Finney
(Stanford University)
Kenji Watanabe
(National Institute for Materials Science)
Takashi Taniguchi
(National Institute for Materials Science)
Marc Kastner
(Stanford University)
David Goldhaber-Gordon
(Stanford University)
Spatial inhomogeneities in twist angle and deviations from target twist angle presumably arise during the assembly of graphene heterostructures. Here, we present a novel strategy for assembling TBG that may help reduce twist angle variations by structurally supporting graphene during stacking, to ameliorate effects of graphene’s floppiness.
*This work is supported by the Department of Energy, Office of Science, Basic Energy Sciences, Materials Sciences and Engineering Division, under Contract DE-AC02-76SF00515. Infrastructure was funded in part by the Gordon and Betty Moore Foundation through Grant No. GBMF3429. Part of this work was performed at the Stanford Nano Shared Facilities (SNSF), supported by the National Science Foundation under award ECCS-2026822. C.D. acknowledges financial support from the Shoucheng Zhang Graduate Fellowship through the Office of the Vice Provost for Graduate Education (VPGE), Stanford University.
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