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Defect Engineering of Disordered Carbon Anodes with Ultra-High Heteroatom Doping Through a Supermolecule-Mediated Strategy for Potassium-Ion Hybrid Capacitors

Lei Zhao, Shirong Sun, Jinxin Lin, Lei Zhong et al. • Nano-Micro Letters (2023)

Highlights The N/S co-doped lignin-derived porous carbon (NSLPCs) with ultra-high heteroatom doping was prepared through a novel supramolecule-mediated pyrolysis strategy. Covalently bonded graphitic carbon/amorphous carbon intermediates in...

DOAJ Open Access (DOAJ) DOI: 10.1007/s40820-022-01006-0

RETRACTED ARTICLE: A brief comparative examination of tangent hyperbolic hybrid nanofluid through a extending surface: numerical Keller–Box scheme

Wasim Jamshed, M. Prakash, S. Suriya Uma Devi, Rabha W. Ibrahim et al. • Scientific Reports (2021)

Abstract A novel hybrid nanofluid was explored in order to find an efficient heat-transmitting fluid to replace standard fluids and revolutionary nanofluids. By using tangent hyperbolic hybrid combination nanoliquid with non-Newtonian ethyl...

DOAJ Open Access (DOAJ) DOI: 10.1038/s41598-021-03392-8

Materials for Total Hip Joint Prostheses: Biaxial Flexural Strength of Two Ceramic Systems

Bojana TABAKOVA, Ivanka KALIMANOVA, Ina YANKOVA, Hristiana NIKOLOVA • The Annals of “Dunarea de Jos” University of Galati. Fascicle IX, Metallurgy and Materials Science (2010)

Total hip joint replacement is one of the most successful orthopaedic surgeries in the last decade. Essential part of total hip joint prostheses is the mobile joint “hemispherical head - hemispherical cup”. Functional properties and durabil...

DOAJ Open Access (DOAJ)

Effect of Heat Input on Microstructure and Hardness Distribution of Laser Welded Si-Al TRIP-Type Steel

Adam Grajcar, Maciej Różański, Sebastian Stano, Aleksander Kowalski et al. • Advances in Materials Science and Engineering (2014)

This study is concerned with issues related to laser welding of Si-Al type TRIP steels with Nb and Ti microadditions. The tests of laser welding of thermomechanically rolled sheet sections were carried out using keyhole welding and a solid-...

DOAJ Open Access (DOAJ) DOI: 10.1155/2014/658947

Twins‐like nanodrugs synchronously transport in blood and coalesce inside tumors for sensitive ultrasound imaging and triggerable penetrative drug delivery

Yujun Cai, Gengjia Chen, Minzhao Lin, Bo Li et al. • Aggregate (2024)

Abstract Nanodrugs capable of aggregating in the tumor microenvironment (TME) have demonstrated great efficiency in improving the therapeutic outcome. Among various approaches, the strategy utilizing electrostatic interaction as a driving f...

DOAJ Open Access (DOAJ) DOI: 10.1002/agt2.476

External Thermal Insulation Composite Systems: Critical Parameters for Surface Hygrothermal Behaviour

Eva Barreira, Vasco P. de Freitas • Advances in Materials Science and Engineering (2014)

External Thermal Insulation Composite Systems (ETICS) are often used in Europe. Despite its thermal advantages, low cost, and ease of application, this system has serious problems of biological growth causing the cladding defacement. Recent...

DOAJ Open Access (DOAJ) DOI: 10.1155/2014/650752

Simulation and experimental verification of the edge effect of composites on the infiltration process of RTM forming

ZHU Hongye, WANG Xiaoxu, LYU Jixiang, HAO Shulei • Xi'an Gongcheng Daxue xuebao (2025)

To study the influence of edge effects on the resin filling flow pattern in the RTM process of composite materials, the finite element software PAM-RTM was used to simulate and analyze the impregnation process of the blade preforms in RTM.B...

DOAJ Open Access (DOAJ) DOI: 10.13338/j.issn.1674-649x.2025.04.002

Effect of Ageing on a Novel Cobalt-Free Precipitation-Hardenable Martensitic Alloy Produced by SLM: Mechanical, Tribological and Corrosion Behaviour

Inés Pérez-Gonzalo, Florentino Alvarez-Antolin, Alejandro González-Pociño, Luis Borja Peral-Martinez • Journal of Manufacturing and Materials Processing (2025)

This study investigates the mechanical, tribological, and electrochemical behaviour of a novel precipitation-hardenable martensitic alloy produced by selective laser melting (SLM). The alloy was specifically engineered with an optimised com...

DOAJ Open Access (DOAJ) DOI: 10.3390/jmmp9080261

Second hyperpolarizability of hexagonal graphene quantum dots: Effects of size and structural defects

Jiasheng Zhou, Haipeng Li, Ziqiang Yang, Zitao Zhang et al. • Carbon Trends (2021)

Graphene quantum dots (GQDs) are nanosized fragments of graphene containing a bandgap caused by edge effects and quantum confinement. These features enable GQDs to have attractive photonics applications. During the preparation of graphene n...

DOAJ Open Access (DOAJ) DOI: 10.1016/j.cartre.2021.100054

Tuning the effective spin-orbit coupling in molecular semiconductors

Sam Schott, Erik R. McNellis, Christian B. Nielsen, Hung-Yang Chen et al. • Nature Communications (2017)

Organic semiconductors with long spin lifetime hold promise for future spintronics devices that can process and store information. Here, Schottet al. perform a systematic study of the strength of spin-orbit coupling and its effect on spin l...

DOAJ Open Access (DOAJ) DOI: 10.1038/ncomms15200

High-temperature Infrared Transmission of Free-standing Diamond Films

HEI Li-fu, YAN Xiong-bo, ZHU Rui-hua, CHEN Liang-xian et al. • Cailiao gongcheng (2017)

The combination of low absorption and extreme mechanical and thermal properties make diamond a compelling choice for some more extreme far infrared (8-12 μm) window applications. The optical properties of CVD diamond at elevated temperature...

DOAJ Open Access (DOAJ) DOI: 10.11868/j.issn.1001-4381.2016.000792

Extraction of nano-crystalline cellulose for development of aerogel: Structural, morphological and antibacterial analysis

Yash Vishnoi, Alok Kumar Trivedi, M.K. Gupta, Harinder Singh et al. • Heliyon (2024)

In the present decades, nanocellulose has been very popular in the field of nanotechnology and is receiving much attention from researchers because of its advantageous physicochemical properties, high aspect ratio, and high specific strengt...

DOAJ Open Access (DOAJ) DOI: 10.1016/j.heliyon.2023.e23846

Silver Nanoparticles Suppress Apple Fire Blight: Antibacterial Activity, Reduced Carbohydrate-Containing EPS Content, and Altered Host Antioxidant Responses

Alexander G. Khina, Maria T. Mukhina, Alexander S. Gordeev, Liliya R. Biktasheva et al. • Plants (2026)

The present study evaluated the phytoprotective activity of silver nanoparticles stabilized with sodium amphopolycarboxyglycinate (AgNPs-APCG) against apple fire blight caused by Erwinia amylovora. A highly colloidally stable AgNPs-APCG dis...

DOAJ Open Access (DOAJ) DOI: 10.3390/plants15203208

Development of a New 24-bit High-Performance Chipless RFID Tag for Accurate Identification in IoT Systems

Kawther Mekki, Omrane Necibi, Noureddine Boulejfen, Samia Larguech et al. • IEEE Access (2023)

Chipless RFID has the potential to bring in a paradigm change in industrial applications, notably in the world of the Internet of Things (IoT). This wireless technology permits distant identification, sensing, and tracking, giving tremendou...

DOAJ Open Access (DOAJ) DOI: 10.1109/ACCESS.2023.3337151