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View article: Heterostructure control enabling outstanding strength-crack tolerance synergy in a dilute Mg-Al-Mn-Zn-Ce-Nd alloy
Heterostructure control enabling outstanding strength-crack tolerance synergy in a dilute Mg-Al-Mn-Zn-Ce-Nd alloy Open
There exists a severe strength-crack tolerance trade-off in dilute magnesium (Mg) alloys. Herein, a heterogeneous Mg-0.6Al-0.6Mn-0.5Zn-0.2Ce-0.2Nd (A200-10) alloy with a high density of dislocations was obtained through low-temperature ext…
View article: Numerical study of terahertz radiation from N-polar AlGaN/GaN HEMT under asymmetric boundaries
Numerical study of terahertz radiation from N-polar AlGaN/GaN HEMT under asymmetric boundaries Open
In this paper, we have studied the electrical excitation of plasma-wave in N-polar AlGaN/GaN high electron mobility transistors (HEMT) under asymmetric boundaries leads to terahertz emission. Numerical calculations are conducted through th…
View article: Ultrabroadband Directional Tunable Thermal Emission Control Based on Vanadium Dioxide Photonic Structures
Ultrabroadband Directional Tunable Thermal Emission Control Based on Vanadium Dioxide Photonic Structures Open
The manipulation of thermal radiation amplitude or direction over a broadband spectrum is a fundamental capability, demonstrating significant potential in thermal management and infrared information encryption. However, existing approaches…
View article: Qwen2.5-1M Technical Report
Qwen2.5-1M Technical Report Open
We introduce Qwen2.5-1M, a series of models that extend the context length to 1 million tokens. Compared to the previous 128K version, the Qwen2.5-1M series have significantly enhanced long-context capabilities through long-context pre-tra…
View article: Analysis and Manufacturing of GaN Trench‐Gate MOSFETs with Thick Bottom Dielectric
Analysis and Manufacturing of GaN Trench‐Gate MOSFETs with Thick Bottom Dielectric Open
Herein, A high‐performance GaN vertical trench‐gate metal‐oxide‐semiconductor field‐effect transistor (MOSFET (UMOSFET)) with polyimide (PI) as the thick‐bottom dielectric (TBD) is numerically studied and experimentally demonstrated. It is…
View article: Intermolecular Forces‐Oriented Growth of MOF‐on‐MOF Heterostructures
Intermolecular Forces‐Oriented Growth of MOF‐on‐MOF Heterostructures Open
Well‐controlled conjugation of distinct metal‐organic frameworks (MOFs) with dissimilar components and structures into a multi‐component MOF system is important for the design of myriad materials with structural complexity, integrated prop…
View article: Qwen2.5-Math Technical Report: Toward Mathematical Expert Model via Self-Improvement
Qwen2.5-Math Technical Report: Toward Mathematical Expert Model via Self-Improvement Open
In this report, we present a series of math-specific large language models: Qwen2.5-Math and Qwen2.5-Math-Instruct-1.5B/7B/72B. The core innovation of the Qwen2.5 series lies in integrating the philosophy of self-improvement throughout the…
View article: Supramolecular catalyst with [FeCl4] unit boosting photoelectrochemical seawater splitting via water nucleophilic attack pathway
Supramolecular catalyst with [FeCl4] unit boosting photoelectrochemical seawater splitting via water nucleophilic attack pathway Open
Propelled by the structure of water oxidation co-catalysts in natural photosynthesis, molecular co-catalysts have long been believed to possess the developable potential in artificial photosynthesis. However, the interfacial complexity bet…
View article: High-Performance N-Polar GaN/AlGaN Metal–Insulator–Semiconductor High-Electron-Mobility Transistors with Low Surface Roughness Enabled by Chemical–Mechanical-Polishing-Incorporated Layer Transfer Technology
High-Performance N-Polar GaN/AlGaN Metal–Insulator–Semiconductor High-Electron-Mobility Transistors with Low Surface Roughness Enabled by Chemical–Mechanical-Polishing-Incorporated Layer Transfer Technology Open
This article presents the utilization of the chemical–mechanical polishing (CMP) method to fabricate high-performance N-polar GaN/AlGaN metal–insulator–semiconductor high-electron-mobility transistors (MIS-HEMTs) through layer transfer tec…
View article: CCDC 2290322: Experimental Crystal Structure Determination
CCDC 2290322: Experimental Crystal Structure Determination Open
An entry from the Cambridge Structural Database, the world’s repository for small molecule crystal structures. The entry contains experimental data from a crystal diffraction study. The deposited dataset for this entry is freely available …
View article: Effective suppression of interface states in recessed-gate MIS-HEMTs by TMAH wet etching
Effective suppression of interface states in recessed-gate MIS-HEMTs by TMAH wet etching Open
The effect of tetramethylammonium hydroxide (TMAH) treatment prior to gate dielectric deposition on the performance of recessed-gate AlGaN/GaN metal-insulator-semiconductor high electron mobility transistors (MIS-HEMTs) was investigated. T…
View article: Metal Ion‐controlled Growth of Different Metal‐Organic Framework Micro/nanostructures for Enhanced Supercapacitor Performance
Metal Ion‐controlled Growth of Different Metal‐Organic Framework Micro/nanostructures for Enhanced Supercapacitor Performance Open
We report a metal ion‐modulated effective strategy to achieve different metal‐organic framework (MOF) micro/nanostructures using different metal precursors like CoCl 2 ⋅ 6H 2 O, CoCl 2 ⋅ 6H 2 O and NiCl 2 ⋅ 6H 2 O, and NiCl 2 ⋅ 6H 2 O with…
View article: The stability of MOFs in aqueous solutions—research progress and prospects
The stability of MOFs in aqueous solutions—research progress and prospects Open
Metal-organic frameworks (MOFs) are favored in the fields of adsorption, separation, catalysis, electrochemistry, and magnetism due to their advantages of large specific surface area, high porosity, controllable pore size adjustment, and d…
View article: Metal–organic framework-based materials for photocatalytic overall water splitting: Status and prospects
Metal–organic framework-based materials for photocatalytic overall water splitting: Status and prospects Open
With the exhaustion of conventional fossil fuels, the exploration of green and sustainable energy will become an important topic of social development. Hydrogen is considered a clean and effective energy source, and its combustion produces…
View article: Highly Reliable Temperature Sensor Based on p-GaN/AlGaN/GaN Hybrid Anode Diode with Wide Operation Temperature from 73 K to 573 K
Highly Reliable Temperature Sensor Based on p-GaN/AlGaN/GaN Hybrid Anode Diode with Wide Operation Temperature from 73 K to 573 K Open
A high-performance temperature sensor based on a p-GaN/AlGaN/GaN hybrid anode diode (HPT-HAD) fabricated by hydrogen plasma treatment is demonstrated. The sensor exhibits accurate and stable temperature responses from 73 to 573 K. The forw…
View article: CCDC 2177962: Experimental Crystal Structure Determination
CCDC 2177962: Experimental Crystal Structure Determination Open
An entry from the Cambridge Structural Database, the world’s repository for small molecule crystal structures. The entry contains experimental data from a crystal diffraction study. The deposited dataset for this entry is freely available …
View article: Palladium-Catalyzed One-Step Synthesis of Stereodefined Difunctionalized Glycals
Palladium-Catalyzed One-Step Synthesis of Stereodefined Difunctionalized Glycals Open
Open AccessCCS ChemistryRESEARCH ARTICLE11 May 2022Palladium-Catalyzed One-Step Synthesis of Stereodefined Difunctionalized Glycals Xiao-Ping Gong†, Yuke Li†, Hong-Chao Liu, Zhe Zhang, Zhi-Jie Niu, Ya-Nan Ding, Yang An, Xi Chen, Yan-Chong …
View article: Craniofacial Morphology of Orthodontic Patients with and without Temporomandibular Disorders: A Cross-Sectional Study
Craniofacial Morphology of Orthodontic Patients with and without Temporomandibular Disorders: A Cross-Sectional Study Open
Purpose. We aimed to explore the relationship between temporomandibular disorders (TMDs) and craniofacial morphology in orthodontic patients. Methods. Altogether, 262 orthodontic patients were included and divided into two groups according…
View article: Microstructures and tensile properties of Mg-2Zn-0.8Sr-0.2Ca alloy extruded at relatively slow speed and low temperature
Microstructures and tensile properties of Mg-2Zn-0.8Sr-0.2Ca alloy extruded at relatively slow speed and low temperature Open
In this work, a new Mg-2Zn-0.8Sr-0.2Ca alloy with low content of alloying elements was subjected to extrusion at relatively low-temperatures (240 and 200?C) and slow-speed (1.0 mm/s and 0.1 mm/s). The average size and volume fraction of re…
View article: Intelligent Molecular Identification for High Performance Organosulfide Capture Using Active Machine Learning Algorithm
Intelligent Molecular Identification for High Performance Organosulfide Capture Using Active Machine Learning Algorithm Open
Machine learning and computer-aided approaches significantly accelerate molecular design and discovery in scientific and industrial fields increasingly relying on data science for efficiency. The typical method used is supervised learning …
View article: Single-Cell Sequencing Reveals the Transcriptome and TCR Characteristics of pTregs and in vitro Expanded iTregs
Single-Cell Sequencing Reveals the Transcriptome and TCR Characteristics of pTregs and in vitro Expanded iTregs Open
Regulatory T cells (Tregs) play a critical role in the maintenance of immune tolerance and tumor evasion. However, the relative low proportion of these cells in peripheral blood and tissues has hindered many studies. We sought to establish…
View article: Vessel Size Imaging is Associated with IDH Mutation and Patient Survival in Diffuse Lower-Grade Glioma
Vessel Size Imaging is Associated with IDH Mutation and Patient Survival in Diffuse Lower-Grade Glioma Open
Houyi Kang,1,2,* Peng Chen,1,2,* Hong Guo,1,2 Letian Zhang,1,2 Yong Tan,1,2 Hualiang Xiao,3 Ao Yang,4 Jingqin Fang,1,2 Weiguo Zhang1,2 1Department of Radiology, Daping Hospital, Army Medical University, Chongqing 400042, People’s…
View article: Improved tensile properties of low-temperature and low-speed extruded Mg–χAl–(4.8 −χ)Ca–0.6Mn alloys
Improved tensile properties of low-temperature and low-speed extruded Mg–χAl–(4.8 −χ)Ca–0.6Mn alloys Open
In this work, the microstructure and mechanical properties of Mg–Al–Ca–Mn alloys with different Ca/Al ratios (0.2, 0.6 and 1.0) have been investigated. The results showed that with the increase of the Ca/Al ratios, the grain sizes of the a…