High-Dielectric 2D Bismuth Oxides with Large Bandgaps: The Role of 6s Lone Pair Hybridization.

Large-bandgap and high-dielectric 2D dielectrics are crucial for transistor performance because they maximize gate-to-channel capacitive coupling, yet such high-quality materials remain scarce. This study employed first-principles calculations to predict 18 distinct 2D bismuth oxides (BiOs). It is demonstrated that the 6s lone pairs in 2D BiOs form benign positive feedback between the bandgap and dielectric constant.

Deep Learning for Staging Periodontitis Using Panoramic Radiographs.

Objectives: Utilizing a deep learning approach is an emerging trend to improve the efficiency of periodontitis diagnosis and classification. This study aimed to use an object detection model to automatically annotate the anatomic structure and subsequently classify the stages of radiographic bone loss (RBL).

Materials And Methods: In all, 558 panoramic radiographs were cropped to 7359 pieces of individual teeth.

The Negative Role of Proton Insertion on the Lifetime of Vanadium-Based Aqueous Zinc Batteries.

Vanadium oxides are attracted cathodes for aqueous zinc batteries owing to their high capacity. However, the limited cyclability of vanadium-based oxide cathodes, especially at low current densities, impedes their practical application. Here, it is revealed that proton insertion is responsible for the limited lifetime of vanadium oxides.

Overcoming Challenges in Plant Biomechanics: Methodological Innovations and Technological Integration.

Plant biomechanics, an emerging interdisciplinary field, plays an irreplaceable role in revealing the structure-function relationships in plant life processes. This field integrates classical mechanical theories with modern biological methods, providing novel perspectives for plant phenotype research and offering significant theoretical guidance for crop breeding, cultivation management, and ecological protection. This review comprehensively examines existing research from three dimensions: research perspectives, methodologies, and content.

Breaking Aggregation State to Achieve Low-Temperature Fast Charging of Lithium Metal Batteries.

Insufficient ionic conductivity and elevated desolvation energy barrier of electrolytes limit the lithium metal batteries (LMBs) low-temperature applications. Weakly solvating electrolytes (WSEs), with limited lithium salt dissociation capability, are prone to desolvate and drive anion-rich aggregates (AGGs). However, significant AGGs result in increased viscosity and low ionic mobility, contributing to battery failure at low temperatures (≤ -20 oC).