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Articles by Dongyang Yang
2D theoretically twistable material database
Editor’s summary Structured Abstract Abstract Supplementary Materials References and Notes Information & Authors Metrics & Citations Check Access References Figures Tables Media Share This article has 0 eLetter . Editor’s summary The field of two-dimensional (2D) materials has experienced explosive growth over the past two decades, roughly in parallel with similarly exciting developments in the field of topological materials.
Correlated insulating states in slow Dirac fermions on a honeycomb moiré superlattice
Abstract Strong Coulomb repulsion is predicted to open a many-body charge gap at graphene’s Dirac point, transforming the semimetal into a Mott insulator. However, this correlated insulating phase remains elusive in pristine graphene, where the large Fermi velocity dominates interactions. To overcome this limitation, we realize a honeycomb moiré superlattice in twisted MoSe2 homobilayers, where a graphene-like band structure forms with a Fermi velocity reduced by nearly two orders of magnitude.
Nanosecond Ferroelectric Switching of Intralayer Excitons in Bilayer $3\mathrm{R}\text{\ensuremath{-}}{\mathrm{MoS}}_{2}$ through Coulomb Engineering
Reconfigurable photonic devices are central to developing next-generation technologies such as neuromorphic computing and optical communication. However, creating devices that switch quickly, use little energy, and retain their new state without continuous power has remained a major challenge.
Resolving polarization switching pathways of sliding ferroelectricity in trilayer 3R-MoS2 - Nature Nanotechnology
Abstract Sliding ferroelectricity, an emerging type of hysteretic behaviour with strong potential for memory-related applications, involves dynamically switching the polarization associated with the stacking arrangement in two-dimensional van der Waals materials. Because different stacking configurations can share a degenerate net polarization, it has remained a challenge to resolve the intermediate stacking configuration and the polarization switching pathway in multi-interface devices.
Impact of Road Gradient on Fuel Consumption of Light-Duty Diesel Vehicles
1. Introduction Approximately 26% of China’s territory is located above 1000 m in altitude, and there are over 15 million motor vehicles in high-altitude areas [1]. Nearly two-thirds of China’s land area is mountainous, with Yunnan Province in particular having 84% of its territory covered by mountains, forming a unique plateau and mountainous geographical conditions. The roads in the plateau and mountainous areas feature significant altitude differences and notable changes in road gradients.
Estimation of Mediation Effect on Zero-Inflated Microbiome Mediators
This is an early access version, the complete PDF, HTML, and XML versions will be available soon. Open AccessFeature PaperArticle by 1 and 1,2,* 1 Division of Biostatistics, Dalla Lana School of Public Health, University of Toronto, Toronto, ON M5T 3M7, Canada 2 Department of Biostatistics, Princess Margaret Cancer Centre, Toronto, ON M5G 2C1, Canada * Author to whom correspondence should be addressed.
Shear Strain-Induced Two-Dimensional Slip Avalanches in Rhombohedral MoS2
Slip avalanches are ubiquitous phenomena occurring in three-dimensional materials under shear strain, and their study contributes immensely to our understanding of plastic deformation, fragmentation, and earthquakes. So far, little is known about the role of shear strain in two-dimensional (2D) materials. Here we show some evidence of 2D slip avalanches in exfoliated rhombohedral MoS2, triggered by shear strain near the threshold level.
Optically Probing the Asymmetric Interlayer Coupling in Rhombohedral-Stacked ${\mathrm{MoS}}_{2}$ Bilayer
Abstract The interlayer coupling is emerging as a new parameter for tuning the physical properties of two-dimensional (2D) van der Waals materials. When two identical semiconductor monolayers are stacked with a twist angle, the periodic interlayer coupling modulation due to the moiré superlattice may endow exotic physical phenomena, such as moiré excitons and correlated electronic phases.
Understanding shallow soil moisture variation in the data-scarce area and its relationship with climate change by GLDAS data
Loading metrics Open Access Peer-reviewed Research Article Jingping Zuo, Jianhua Xu , Weihong Li, Dongyang Yang Jingping Zuo, Jianhua Xu, Weihong Li, Dongyang Yang Published: May 22, 2019 https://doi.org/10.1371/journal.pone.0217020 Figures Abstract Quantitatively evaluating the spatiotemporal variation of soil moisture (SM) and its causes can help us to understand regional eco-hydrological processes.
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