Results 11 to 20 of about 72,047 (222)

Localization-enhanced moiré exciton in twisted transition metal dichalcogenide heterotrilayer superlattices [PDF]

Light: Science & Applications, 2023
The stacking of twisted two-dimensional (2D) layered materials has led to the creation of moiré superlattices, which have become a new platform for the study of quantum optics.
Haihong Zheng, Biao Wu, Shaofei Li, Junnan Ding, Jun He, Zongwen Liu, Chang-Tian Wang, Jian-Tao Wang, Anlian Pan, Yanping Liu   +9 more
doaj   +2 more sources

High-quality-factor viscoelastic nanomechanical resonators from moiré superlattices. [PDF]

Nat Commun
The moiré superlattice, created by stacking van der Waals layered materials with rotational misalignments, exhibits a multitude of emergent correlated phenomena ranging from superconductivity to Mott insulating states.
Zeng QY, Su GX, Song AS, Mei XY, Xu ZY, Ying Y, Zhang ZZ, Song XX, Deng GW, Moser J, Ma TB, Tan PH, Zhang X.   +12 more
europepmc   +2 more sources

Tunable exciton valley-pseudospin orders in moiré superlattices. [PDF]

Nat Commun
Excitons in two-dimensional (2D) semiconductors have offered an attractive platform for optoelectronic and valleytronic devices. Further realizations of correlated phases of excitons promise device concepts not possible in the single particle picture ...
Xiong R, Brantly SL, Su K, Nie JH, Zhang Z, Banerjee R, Ruddick H, Watanabe K, Taniguchi T, Tongay SA, Xu C, Jin C.   +11 more
europepmc   +3 more sources

Cryogenic nano-imaging of second-order moiré superlattices [PDF]

Nature Materials, 2023
Second-order superlattices form when moiré superlattices with similar periodicities interfere with each other, leading to larger superlattice periodicities.
Niels C. H. Hesp, Sergi Batlle-Porro, Roshan Krishna Kumar, Hitesh Agarwal, David Barcons Ruiz, Stella T. Schindler, Kenji Watanabe, Takashi Taniguchi, Petr Stepanov, Frank H. L. Koppens   +9 more
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Intralayer Phonons in Multilayer Graphene Moiré Superlattices [PDF]

Research, 2022
Moiré pattern in twisted multilayers (tMLs) induces many emergent phenomena by subtle variation of atomic registry to modulate quasiparticles and their interactions, such as superconductivity, moiré excitons, and moiré phonons.
Miao-Ling Lin, Min Feng, Jiang-Bin Wu, Fei-Rong Ran, Tao Chen, Wei-Xia Luo, Heng Wu, Wen-Peng Han, Xin Zhang, Xue-Lu Liu, Yang Xu, Hai Li, Yu-Fang Wang, Ping-Heng Tan   +13 more
doaj   +2 more sources

In situ nanoscale imaging of moiré superlattices in twisted van der Waals heterostructures [PDF]

Nature Communications, 2020
Direct visualization of moiré superlattices in van der Waals heterostructures is a needed diagnostic tool for the study of periodicity-induced electronic and optical phenomena.
Yue Luo, Rebecca Engelke, Marios Mattheakis, Michele Tamagnone, Stephen Carr, Kenji Watanabe, Takashi Taniguchi, Efthimios Kaxiras, Philip Kim, William L. Wilson   +9 more
doaj   +2 more sources

Superconductivity and topological quantum states in two-dimensional moiré superlattices

Quantum Frontiers
Moiré superlattices have emerged as an excellent platform for investigating a plethora of exotic quantum states in condensed matter physics. Recent advancements have unveiled abundant discoveries in two-dimensional moiré superlattices.
Chuanqi Zheng, Xiaoxue Liu
doaj   +2 more sources

Anomalously enhanced diffusivity of moiré excitons via manipulating the interplay with correlated electrons [PDF]

Nature Communications
Semiconducting transition metal dichalcogenide (TMDC) moiré superlattices provide an unprecedented platform for manipulating excitons. The in-situ control of moiré excitons could enable novel excitonic devices but remains challenging.
Li Yan, Lei Ma, Yuze Meng, Chengxin Xiao, Bo Chen, Qiran Wu, Jingyuan Cui, Qingrui Cao, Rounak Banerjee, Takashi Taniguchi, Kenji Watanabe, Seth Ariel Tongay, Benjamin Hunt, Yong-Tao Cui, Wang Yao, Su-Fei Shi   +15 more
doaj   +2 more sources

Chemically Tailored Semiconductor Moiré Superlattices of Janus Heterobilayers

Small Structures
Janus monolayers of transition metal dichalcogenides (TMDCs) are promising building blocks for moiré superlattices because of their built‐in electric field and clean fabrication process.
Wenjin Zhang, Zheng Liu, Hiroshi Nakajo, Soma Aoki, Haonan Wang, Yanlin Wang, Yanlin Gao, Mina Maruyama, Takuto Kawakami, Yasuyuki Makino, Masahiko Kaneda, Tongmin Chen, Kohei Aso, Tomoya Ogawa, Takahiko Endo, Yusuke Nakanishi, Kenji Watanabe, Takashi Taniguchi, Yoshifumi Oshima, Yukiko Yamada‐Takamura, Mikito Koshino, Susumu Okada, Kazunari Matsuda, Toshiaki Kato, Yasumitsu Miyata   +24 more
doaj   +2 more sources

Quantum Anomalous Hall Crystal at Fractional Filling of Moiré Superlattices [PDF]

Physical Review Letters
We predict the emergence of a state of matter with intertwined ferromagnetism, charge order, and topology in fractionally filled moiré superlattice bands. Remarkably, these quantum anomalous Hall crystals exhibit a quantized integer Hall conductance that
D. N. Sheng, Aidan P. Reddy, Ahmed Abouelkomsan, Emil J. Bergholtz, Liang Fu   +4 more
openalex   +3 more sources