31 Result(s)
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Article
Fabrication of FeSiBPCNbCu nanocrystalline soft magnetic powders with high saturation magnetization and low core loss
In this work, with the aim of develo** nanocrystalline powder cores (NPCs) with high saturation magnetization (Ms) and excellent magnetic performances, the structure, crystallization behavior and soft magnetic ...
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Experimental observation of current-driven antiskyrmion sliding in stripe domains
Magnetic skyrmions are promising as next-generation information units. Their antiparticle—the antiskyrmion—has also been discovered in chiral magnets. Here we experimentally demonstrate antiskyrmion sliding in...
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Open AccessSpontaneous Small Biskyrmions in a Centrosymmetric Rare-Earth Kagome Ferrimagnet
Magnetic skyrmions with nontrivial topologies have great potential to serve as memory cells in novel spintronic devices. Small skyrmions were theoretically and experimentally confirmed to be generated under th...
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Article
Medium-range imperfect order determining the slow β-relaxation in metallic glasses
Secondary (slow β) relaxation and structural heterogeneity are crucial in several critical unresolved issues in metallic glasses (MGs). However, their intrinsic correlations and composition dependence are not ...
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Open AccessDimensional control of interface coupling-induced ferromagnetism in CaRuO3/SrCuO2 superlattices
Due to the strong interactions from multiple degrees of freedom at the interfaces, electron-correlated oxide heterostructures have provided a promising platform for creating exotic quantum states. Understandin...
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Article
Giant low-field magnetocaloric effect of (Er,Y)Cr2Si2 compounds at ultra-low temperatures
Low-temperature and low-field magnetocaloric materials with high magnetocaloric effect (MCE) performance have important prospects in applications such as gas liquefaction. A series of polycrystalline Er1−xYxCr2Si
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Preparation and Kinetics of Thermal Analysis of Inorganic–Organic Composite Modified Carboxymethyl Starch and Its Applicability as Flocculant for Oily Wastewater Treatment
A novel inorganic–organic flocculant (CMS-g-PDMC/PAC) was synthesized by introducing quaternary ammonium and polyaluminum chloride (PAC) onto the backbone of carboxymethyl starch (CMS). The optimal preparation...
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Open AccessColossal barocaloric effect achieved by exploiting the amorphous high entropy of solidified polyethylene glycol
The barocaloric effect (BCE) has emerged as an intense research topic in regard to efficient and clean solid-state refrigeration. Materials with solid-liquid phase transitions (SL-PTs) usually show huge meltin...
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Article
Microstructure and Corrosion Resistance of a Novel AlNiLa Lightweight Medium Entropy Amorphous Alloy Composites
A new type of lightweight AlNiLa medium entropy amorphous alloy composite ribbons (labled as MEAAC ribbons) were prepared by vacuum arc melting technology and high-speed single roller melt-spinning method. The...
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Non-noble metal-based amorphous high-entropy oxides as efficient and reliable electrocatalysts for oxygen evolution reaction
Exploring high-performance and cost-effective electrocatalysts that are applicable in oxygen evolution reaction (OER) is crucial for water splitting and energy storage. In this work, a facile and scalable chem...
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Analysis of the extrusion pressure of a cylindrical extruder for extruding highly viscous fluids
Extrusion pressure is crucial for the security and performance of a cylindrical extruder during the extrusion process. In this study, a validated CFD model was adopted to evaluate the relationship between the ...
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Article
Effect of phase transformation strain on the quasi-linear elastic deformation behavior for Nb/Ni50.3Ti49.7 composite
The effect of the evolution of phase transformation strain on the quasi-linear elastic deformation behavior for Nb/Ni50.3Ti49.7 composite was investigated on the basis of the theoretical analysis of martensitic t...
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Article
Open AccessReversible colossal barocaloric effect dominated by disordering of organic chains in (CH3–(CH2)n−1–NH3)2MnCl4 single crystals
Solid-state refrigeration based on the caloric effect is viewed as a promising efficient and clean refrigeration technology. Barocaloric materials were developed rapidly but have since encountered a general ob...
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Hydrophilic SPE/MPTES-PAN electrospun membrane prepared via click chemistry for high efficiency oil–water separation
There are various methods to introduce functional groups into the membrane surface to get oil–water separation performance, but most of them involve complicated reaction conditions and processes. Inspired by c...
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Article
Strengthened caloric effect in MnCoSi under combined applications of magnetic field and hydrostatic pressure
The caloric effects under combined applications of magnetic field and hydrostatic pressure to a MnCoSi meta-magnet were investigated. Under a magnetic field change of 0–5 T, the maximum magnetic entropy change...
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Article
Computational fluid dynamic analysis of mass transfer and hydrodynamics in a planetary centrifugal bioreactor
Planetary centrifugal bioreactors are promising candidates for cell culture platforms since there is no pollution caused by stirring blades. In this work, the fluid structure in a planetary centrifugal bioreac...
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Numerical investigation of the mixing process in a Twin Cam Mixer: Influence of triangular cam height-base ratio and eccentricity
The twin cam mixer (TCM), as a general-purpose mixer, shares many attributes in common with 3D industrial mixers, like the internal mixer. We investigated the mixing process in a 2D TCM with two identical isos...
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Article
Exploration of nontrivial topological domain structures in the equilibrium state of magnetic nanodisks
Topological magnetic domains exhibit many fascinating features and great potential in information storage and spintronics owing to their unique spin textures. In order to investigate the topological properties...
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Ultrasonic-assisted plastic flow in a Zr-based metallic glass
Ultrasonic vibration can be used for the micro-molding of metallic glasses (MGs) due to stress-softening and fast surface-diffusion effects. However, the structural rearrangement under ultrasonic vibration and...
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Article
Preparation of multicolored carbon quantum dots using HNO3/HClO4 oxidation of graphitized carbon
The microstructure of carbon quantum dots (CQDs) has a great influence on their fluorescence properties. Here, different microstructures of CQDs were synthesized by the selective oxidation of graphitized activ...
