David H Cobden
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Explore the profile of David H Cobden including associated specialties, affiliations and a list of published articles.
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34
Citations
1441
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Recent Articles
1.
Graham A, Park H, Nguyen P, Nunn J, Kandyba V, Cattelan M, et al.
Nano Lett
. 2024 Apr;
24(17):5117-5124.
PMID: 38629940
Stacking monolayer semiconductors creates moiré patterns, leading to correlated and topological electronic phenomena, but measurements of the electronic structure underpinning these phenomena are scarce. Here, we investigate the properties of...
2.
He M, Cai J, Zhang Y, Liu Y, Li Y, Taniguchi T, et al.
Nano Lett
. 2023 Nov;
23(23):11066-11072.
PMID: 37983529
Twisted double bilayer graphene (tDBG) has emerged as a rich platform for studying strongly correlated and topological states, as its flat bands can be continuously tuned by both a perpendicular...
3.
Zhang S, Liu Y, Sun Z, Chen X, Li B, Moore S, et al.
Nat Commun
. 2023 Oct;
14(1):6200.
PMID: 37794007
Ferroelectricity, a spontaneous and reversible electric polarization, is found in certain classes of van der Waals (vdW) materials. The discovery of ferroelectricity in twisted vdW layers provides new opportunities to...
4.
Wu S, Fei Z, Sun Z, Yi Y, Xia W, Yan D, et al.
ACS Nano
. 2023 Sep;
17(19):18905-18913.
PMID: 37767802
Topological properties in quantum materials are often governed by symmetry and tuned by crystal structure and external fields, and hence, symmetry-sensitive nonlinear optical measurements in a magnetic field are a...
5.
Tseng C, Song T, Jiang Q, Lin Z, Wang C, Suh J, et al.
Nano Lett
. 2022 Oct;
22(21):8495-8501.
PMID: 36279401
The extreme versatility of van der Waals materials originates from their ability to exhibit new electronic properties when assembled in close proximity to dissimilar crystals. For example, although graphene is...
6.
Ovchinnikov D, Cai J, Lin Z, Fei Z, Liu Z, Cui Y, et al.
Nat Commun
. 2022 Oct;
13(1):5967.
PMID: 36216927
A Chern insulator is a two-dimensional material that hosts chiral edge states produced by the combination of topology with time reversal symmetry breaking. Such edge states are perfect one-dimensional conductors,...
7.
Nguyen P, Teutsch N, Wilson N, Kahn J, Xia X, Graham A, et al.
Nano Lett
. 2021 Dec;
21(24):10532-10537.
PMID: 34851122
In electronic and optoelectronic devices made from van der Waals heterostructures, electric fields can induce substantial band structure changes which are crucial to device operation but cannot usually be directly...
8.
Li Y, Wang X, Tang D, Wang X, Watanabe K, Taniguchi T, et al.
Adv Mater
. 2021 Oct;
33(51):e2105879.
PMID: 34632646
Moiré superlattices of 2D materials with a small twist angle are thought to exhibit appreciable flexoelectric effect, though unambiguous confirmation of their flexoelectricity is challenging due to artifacts associated with...
9.
Jing R, Shao Y, Fei Z, Lo C, Vitalone R, Ruta F, et al.
Nat Commun
. 2021 Sep;
12(1):5594.
PMID: 34552072
Tungsten ditelluride (WTe) is an atomically layered transition metal dichalcogenide whose physical properties change systematically from monolayer to bilayer and few-layer versions. In this report, we use apertureless scattering-type near-field...
10.
Zhao W, Fei Z, Song T, Choi H, Palomaki T, Sun B, et al.
Nat Mater
. 2020 Mar;
19(5):503-507.
PMID: 32152559
The integration of diverse electronic phenomena, such as magnetism and nontrivial topology, into a single system is normally studied either by seeking materials that contain both ingredients, or by layered...