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Related papers: Moir\'e-induced Vibrational Coupling in Double Wal…

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Moir\'e superlattices formed in van der Waals bilayers have enabled the creation and manipulation of new quantum states, as is exemplified by the discovery of superconducting and correlated insulating states in twisted bilayer graphene near…

Moir\'e phonons describe collective vibrations of a moir\'e superlattice produced by long-wavelength relative displacements of the constituent layers. Despite coming from the backfolding of the acoustic phonons of the individual layers,…

Mesoscale and Nanoscale Physics · Physics 2026-01-13 Alejandro Ramos-Alonso , Hector Ochoa

Enhancing light-matter interactions with photonic structures is critical in classical and quantum nanophotonics. Recently, Moir\'e twisted bilayer optical materials have been proposed as a promising means towards a tunable and controllable…

Moir\'{e} superlattices in transition metal dichalcogenides (TMDs) heterobilayers exhibit various correlated insulating states driven by long-range Coulomb interactions, and these states crucially alter exciton resonances, particularly at…

Materials Science · Physics 2025-11-04 Junghwan Kim , Dinh Van Tuan , Hanan Dery

Layered two-dimensional materials exhibit rich transport and optical phenomena in twisted or lattice-incommensurate heterostructures with spatial variations of interlayer hybridization arising from moir\'e interference effects. Here, we…

The capabilities of the mechanical resonator-based nanosensors in detecting ultra-small mass or force shifts have driven a continuing exploration of the palette of nanomaterials for such application purpose. Based on large-scale molecular…

Materials Science · Physics 2015-06-25 Haifei Zhan , Guiyong Zhang , Baocheng Zhang , John M. Bell , Yuantong Gu

Moir\'e materials, with superlattice periodicity many times the atomic length scale, have enabled the studies of strong electronic correlations and band topology with unprecedented tunability. However, nonvolatile control of the moir\'e…

Mesoscale and Nanoscale Physics · Physics 2022-09-15 Kaifei Kang , Wenjin Zhao , Yihang Zeng , Kenji Watanabe , Takashi Taniguchi , Jie Shan , Kin Fai Mak

Twisted bilayers of two-dimensional (2D) materials are proving a fertile ground for investigating strongly correlated electron phases. This is because the moir\'e pattern introduced by the relative twist between layers introduces…

Materials Science · Physics 2021-10-13 Hao Tang , Stephen Carr , Efthimios Kaxiras

When two-dimensional atomic crystals are brought into close proximity to form a van der Waals heterostructure, neighbouring crystals can start influencing each others electronic properties. Of particular interest is the situation when the…

Moir\'e systems provide a rich platform for studies of strong correlation physics. Recent experiments on hetero-bilayer transition metal dichalcogenide (TMD) Moir\'e systems are exciting in that they manifest a relatively simple model…

Strongly Correlated Electrons · Physics 2023-04-04 Yiqing Zhou , D. N. Sheng , Eun-Ah Kim

Charge separated interlayer excitons in transition metal dichalcogenide (TMDC) heterobilayers are being explored for moir\'e exciton lattices and exciton condensates. The presence of permanent dipole moments and the poorly screened Coulomb…

Mesoscale and Nanoscale Physics · Physics 2021-03-17 Jue Wang , Qianhui Shi , En-Min Shih , Lin Zhou , Wenjing Wu , Yusong Bai , Daniel A. Rhodes , Katayun Barmak , James Hone , Cory R. Dean , X. -Y. Zhu

We propose that excitons in moir\'e transition metal dichalcogenide bilayers offer a promising platform for investigating collective radiative properties. While some of these optical properties resemble those of cold atom arrays, moir\'e…

Mesoscale and Nanoscale Physics · Physics 2025-10-21 Tsung-Sheng Huang , Yu-Xin Wang , Yan-Qi Wang , Darrick Chang , Mohammad Hafezi , Andrey Grankin

Moir\'e materials offer a versatile platform for engineering excitons with unprecedented control, promising next-generation optoelectronic applications. While continuum models are widely used to study moir\'e excitons due to their…

Materials Science · Physics 2025-10-08 Indrajit Maity , Johannes Lischner , Arash A. Mostofi , Ángel Rubio

We investigate the effect of curvature on the energy and stability of domain wall configurations in curved cylindrical nanotubes and nanowires. We use micromagnetic simulations to calculate the phase diagram for the transverse wall (TW) and…

Mesoscale and Nanoscale Physics · Physics 2021-06-22 L. Skoric , C. Donnelly , C. Abert , A. Hierro-Rodriguez , D. Suess , A. Fernández-Pacheco

Motivated by recent experiments, we investigate the electron-vibron coupling in suspended carbon nanotube quantum dots, starting with the electron-phonon coupling of the underlying graphene layer. We show that the coupling strength depends…

Mesoscale and Nanoscale Physics · Physics 2015-05-13 Eros Mariani , Felix von Oppen

We present a comprehensive study of the chiral-index assignment of carbon nanotubes in aqueous suspensions by resonant Raman scattering of the radial breathing mode. We determine the energies of the first optical transition in metallic…

Materials Science · Physics 2007-05-23 J. Maultzsch , H. Telg , S. Reich , C. Thomsen

Strong coupling of excitonic resonances with a cavity gives rise to exciton-polaritons which possess a modified energy landscape compared to the uncoupled emitter. However, due to the femtosecond lifetime of the so-called bright polariton…

Mesoscale and Nanoscale Physics · Physics 2022-05-19 Jan M. Lüttgens , Zhuoran Kuang , Nicolas F. Zorn , Tiago Buckup , Jana Zaumseil

Moir\'e patterns are a central motif in van der Waals heterostructures arising from the superposition of two-dimensional (2D) incommensurate lattices. These patterns reveal a wealth of correlated effects, influencing electronic, magnetic,…

The electronic and transport property of a radially deformed double-walled carbon nanotube (DWNT) intramolecular junction (IMJ) has been studied by the tight-binding (TB) model combined with the first-principle calculations. The geometrical…

Materials Science · Physics 2009-11-13 Xiaoping Yang , Jinming Dong

In superlattices of twisted semiconductor monolayers, tunable moir\'e potentials emerge, trapping excitons into periodic arrays. In particular, spatially separated interlayer excitons are subject to a deep potential landscape and they…

Mesoscale and Nanoscale Physics · Physics 2023-06-02 Samuel Brem , Ermin Malic