Results 81 to 90 of about 26,219 (160)

Förster valley-orbit coupling and topological lattice of hybrid moiré excitons

Communications Physics
Hybrid excitons in moiré superlattices of two-dimensional (2D) semiconductors inherit the electric dipole, strong moiré trapping, and stacking optical selection rules from its interlayer part, whereas the intralayer part is intended for enhancing optical
Huiyuan Zheng, Ci Li, Hongyi Yu, Wang Yao   +3 more
doaj   +1 more source

Origin of the moiré superlattice scale lateral force modulation of graphene on a transition metal substrate

, 2018
The moiré superlattice scale lateral force modulation of graphene on a transition metal substrate originates from the joint effects of the graphene–substrate interfacial interaction and the tip–graphene interaction.
Yuan Ma, Lijie Qiao, Yanjing Su, Tianbao Ma, Xinchun Chen, Yu Yan, Lei Gao   +6 more
core   +1 more source

Moiré superlattice on the surface of a topological insulator

, 2021
Twisting van der Waals heterostructures to induce correlated many body states provides a novel tuning mechanism in solid state physics. In this work, we theoretically investigate the fate of the surface Dirac cone of a three-dimensional topological ...
Fang, Shiang, Wilson, Justin H., Cano, Jennifer, Pixley, J. H.   +3 more
core   +1 more source

High-temperature Brown-Zak oscillations in graphene/hBN moiré field effect transistor fabricated using molecular beam epitaxy

Communications Materials
Graphene placed on hexagonal boron nitride (hBN) has received significant interest due to its excellent electrical performance and physics phenomena, such as superlattice Dirac points.
Oleg Makarovsky, Richard J. A. Hill, Tin S. Cheng, Alex Summerfield, Takeshi Taniguchi, Kenji Watanabe, Christopher J. Mellor, Amalia Patanè, Laurence Eaves, Sergei V. Novikov, Peter H. Beton   +10 more
doaj   +1 more source

Engineering miniband topology via band folding in moiré superlattice materials

The emergence of topologically nontrivial flat bands in moiré materials provides an opportunity to explore the interplay between topological physics and correlation effects, leading to the recent experimental realization of interacting topological phases,
Yang, Kaijie, Liu, Chao-Xing, Schindler, Frank, Liu, Yunzhe   +3 more
core   +1 more source

Moiré Superlattice‐Based Artificial Synaptic Function in a Nonvolatile Memory Capacitor

Moiré superlattices are formed when two‐dimensional layered materials are stacked under certain degrees of lattice mismatch or twist angles. Here, helical multiferroic SnO single crystals are fabricated through doping process, the twist phenomenon ...
Haoqun Zeng, Kewei Zhang, Yu Tong, Hongpeng Zhang, Jianyu Ling, Xi Chen, Mingzhe Zhang   +6 more
core   +1 more source

Real-space observation of a time-reversal invariant topological state in twisted bilayer InSe

Nature Communications
The moiré superlattice formed by van der Waals (vdW) stacking of two-dimensional (2D) monolayers with a twist angle can give rise to a variety of novel correlated physical phenomena.
Dacheng Tian, Shengdan Tao, Yu Wang, Peng Cheng, Yiqi Zhang, Kehui Wu, Zeying Zhang, Shengyuan A. Yang, Baojie Feng, Yunhao Lu, Lan Chen   +10 more
doaj   +1 more source

Topological minibands and interaction driven quantum anomalous Hall state in topological insulator based moiré heterostructures

Nature Communications
The presence of topological flat minibands in moiré materials provides an opportunity to explore the interplay between topology and correlation. In this work, we study moiré minibands in topological insulator films with two hybridized surface states ...
Kaijie Yang, Zian Xu, Yanjie Feng, Frank Schindler, Yuanfeng Xu, Zhen Bi, B. Andrei Bernevig, Peizhe Tang, Chao-Xing Liu   +8 more
doaj   +1 more source

Quadrupolar excitons and hybridized interlayer Mott insulator in a trilayer moiré superlattice. [PDF]

Nat Commun, 2023
Lian Z, Chen D, Ma L, Meng Y, Su Y, Yan L, Huang X, Wu Q, Chen X, Blei M, Taniguchi T, Watanabe K, Tongay S, Zhang C, Cui YT, Shi SF.   +15 more
europepmc   +1 more source

Second-order conductivity probes a cascade of singularities in a moiré superlattice

arXiv:2507.05969v1Systems lacking inversion symmetry inherently demonstrate a nonlinear electrical response (NLER) to an applied electric bias, emerging through extrinsic mechanisms.
Taniguchi, Takashi, Casanova, Félix, Gobbi, Marco, Tu, Bao Q., Taniguchi, Takash, Watanabe, Kenji, Ahmed, Tanweer, Hueso, Luis E.   +7 more
core   +1 more source