Otros

 

Otros

Vortex Pattern Stabilization in Thin Films Resulting from Shear Thickening of Active Suspensions
- The need for structuring on micrometer scales is abundant, for example, in view of phononic applications. We here outline a novel approach based on the phenomenon of active turbulence on the...
Salt?Assisted Vapor–Liquid–Solid Growth of 1D van der Waals Materials
19/03/2024 - The method of salt?assisted vapor–liquid–solid (VLS) growth is introduced to synthesize 1D nanostructures of trichalcogenide van der Waals (vdW) materials, exemplified by niobium trisulfide...
Process Investigation on Robust Electrospinning of Non-Aligned and Aligned Polyvinylidene Fluoride Nanofiber Mats for Flexible Piezoelectric Sensors
14/03/2024 - Polyvinylidene fluoride (PVDF) nanofiber mats have played a significant role in wearable electronic devices that have been in great demand in recent decades. Although manifold PVDFbased freely...
Spatial Photo?Patterning of Nematic Liquid Crystal Pretilt and its Application in Fabricating Flat Gradient?Index Lenses
07/03/2024 - This study introduces a method for 3D control of liquid crystal mesogens' orientation. A two?step photo?exposure process sets both in?plane and out?of?plane orientation, enabling smooth orientational...
Long-Period Grating with Asymmetrical Modulation for Curvature Sensing
25/02/2024 - We propose and demonstrate a curvature sensor based on long-period fiber grating (LPFG) with asymmetric index modulation. The LPFG is fabricated in single-mode fiber with femtosecond laser...
Study on the preparation of porous polyethylene glycol terephthalate film and the influencing factors of etching rate
21/02/2024 - The optimal etching conditions and the etching rate for preparing cylindrical pores on PET films.Porous polyethylene glycol terephthalate (PET) film is a kind of mesopore structure template with pore...
Facile construction of polypyrrole microencapsulated ??Fe2O3 for simultaneously enhancing the flame retardancy and smoke toxicity suppression of intumescent flame?retardant epoxy resins
17/02/2024 - Fracture behavior of toughened polymethacrylate/polyurethane.AbstractAmorphous polymer/crystalline polymer blends can be prepared via the simultaneous polymerization of polymethacrylate/polyurethane...
Novel olive stone biochar particle network for piezoresistive strain sensing in natural fiber?reinforced composites
08/02/2024 - Built?in piezoresistive sensors based on an electrically conductive particle network are investigated to monitor the deformation/strain of natural fiber?reinforced composites (NFRCs). As a low?cost...
Study on the Size Dependence of the Shell-Breaking Response of Micro/Nano Al Particles at High Temperature
26/01/2024 - The reactivity of Al nanoparticles is significantly higher than that of micron Al particles, and the thermal reaction properties exhibit notable distinctions. Following the previous studies on micron...
Engineered Nanocomposite Coatings: From Water-Soluble Polymer to Advanced Hydrophobic Performances
25/01/2024 - In this work, a water-soluble (hydrophilic) polymer was used to form a hydrophobic coating on silicon substrates (Si) in a two-step process comprising (i) the transformation of the polymer into an...
Durability of photocatalytic ZnO-based surface coatings and preservation of their antibacterial effect after simulated wear
19/01/2024 - AbstractThis study focused on antibacterial durability testing of surface coatings based on acrylic matrix-embedded UVA-activated ZnO. Such coatings on stainless steel were treated by dry rubbing,...
Deposition of NiAl/Al3Ni2(CrB2) Coatings from Ni, Al and CrB2 Powders Using Mechanical Synthesis in Planetary Ball Mill
19/01/2024 - Interest in composite thick coatings with an intermetallic matrix stimulates the development of new deposition techniques like the co-milling of pre-alloyed NiAl powder with platelet-shaped...
Morphological adaptation of expanded vermiculite in polylactic acid and polypropylene matrices for superior thermoplastic composites
11/01/2024 - Platelet to fiber transition and associated property changes of expanded vermiculite in polar PLA and non?polar PP matricesThe morphological transformation of expanded vermiculite (VC) during...
Dynamical Control of Topology in Polar Skyrmions via Twisted Light
- Twisted light carries a nonzero orbital angular momentum, that can be transferred from light to electrons and particles ranging from nanometers to micrometers. Up to now, the interplay between...
Disclosing the fatigue deformation mechanisms of different types of poly (ethylene terephthalate) industrial fibers on the base of the multiscale structural evolutions
19/12/2023 - The original material is cut out of a knife edge, Notch?closed under the action of shape memory, and finally self?healing is achieved under the action of DA bond and hydrogen...
Water absorption of biomass fillers to impact the degradation of poly(butyleneadipate?co?terephthalate) composites
14/12/2023 - High water absorption of the biomass fillers extremely enhances the degradation of PBAT matrix in composite.In this work, two kinds of biomass fillers including reed and wheat straw with similar...
2D Helium Atom Diffraction from a Microscopic Spot
- Researchers have developed an atom-diffraction imaging method with micrometer spatial resolution, which may allow new applications in material characterization.
A Study of the Relationship between Polymer Solution Entanglement and Electrospun PCL Fiber Mechanics
28/11/2023 - Electrospun fibers range in size from nanometers to micrometers and have a multitude of potential applications that depend upon their morphology and mechanics. In this paper, we investigate the...
Undulations of Smectic A Layers in Achiral Liquid Crystals Manifested as Stripe Textures
- Self-assembly of organic molecules represents a fascinating playground to create various liquid crystalline nanostructures. In this Letter, we study layer undulations on micrometer scale in smectic A...
Oxidation of Zinc Microparticles by Microwave Plasma to Form Effective Solar-Sensitive Photocatalysts
10/11/2023 - The presented work studies the processes of synthesis of ZnO microstructures using atmospheric-pressure microwave nitrogen plasma and investigates their photocatalytic activity in the processes of...
From Micro to Nano: Grinding Natural Magnetite Ore for Microalgae Harvesting
05/06/2023 - Microalgae represent a promising feedstock for sustainable biomass and energy. The low cell concentration after cultivation, however, limits the current application fields. Magnetic microalgae...