Category: Nanotech
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Carbon nanotubes and the sustainability puzzle
Nov 27, 2023 (Nanowerk News) An international team of researchers receives over $4M to advance understanding of carbon nanotube synthesis and its potential for producing industrial materials more sustainably. The foundation’s $1.9M Kavli Exploration Award in Nanoscience for Sustainability sparked an additional $2.2M from Carbon Hub to pursue this important research. The collaboration is led…
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From skyrmions to hopfions
Nov 27, 2023 (Nanowerk News) Exotic magnetic structures such as skyrmions are also known as topological particles. Because they can be easily moved within a crystal, they are envisioned as promising information carriers of the future. Scientists from Jülich, China and Sweden have now created and observed for the first time a stable hopfion in…
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New study shows how heat can be used in computing
Nov 27, 2023 (Nanowerk News) Physicists at Martin Luther University Halle-Wittenberg (MLU) and Central South University in China have demonstrated that, combining specific materials, heat in technical devices can be used in computing. Their discovery is based on extensive calculations and simulations. The new approach demonstrates how heat signals can be steered and amplified for…
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Ultrasensitive multifunctional electronic skin mimics spider skin to enable resilient robotics
Nov 27, 2023 (Nanowerk Spotlight) Developing electronic sensor skins that can mimic the remarkable sensory capabilities of natural skin has proven extremely challenging. Past electronic skin attempts focused mainly on human-centered wearables, lacking the hardy resilience for applications in emerging fields like robotics and bio-integrated devices where exposure to extreme environments is inevitable. Significant barriers…
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Using Josephson junctions to control the flow of a supercurrent
Nov 27, 2023 (Nanowerk News) RIKEN physicists have created a superconducting diode—a device that allows a supercurrent to flow in one direction but not the other (Nature Physics, “Scanning electron microscopy image of the device, which uses two Josephson junctions to control the supercurrent flowing through one to the other”). While not the first time…
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Bio-synthesized ZnO nanoparticles and sunlight-driven photocatalysis for environmentally-friendly and sustainable route of synthetic petroleum refinery wastewater treatment
Characterization of the synthesized NPs UV visible absorption The UV–vis absorption spectra of ZnO materials are depicted in Fig. 2(a). Both samples exhibited UV–vis absorption spectra, with a wide intense absorption from about 350 nm, which may be linked to the intrinsic absorption of the BG of ZnO NPs caused by electron (e−) transfer out from…
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Synthesis and electrochemical properties of nanocubes Mn2SnS3 for high-performance supercapacitors
Fabrication and structural characterization of Mn2SnS3/NF electrode The synthesis process of Mn2SnS3/NF electrode is shown in Fig. 1. The process involved synthesizing Mn2SnS3 nanostructures with two distinct morphologies, using different precursors and temperature conditions. Once the successful synthesis of the desired morphologies was confirmed, the study investigated the effect of these morphologies on the electrochemical performance…
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All-2D electronics for AI processing
M3D integration is an efficient way to connect chips without wafers5, but requires the removal of device layers from a substrate. The device layers based on conventional rigid 3D semiconductors are innately brittle and susceptible to high internal stress levels, making them prone to mechanical failure during the substrate removal and integration processes. Amid these…
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Design and fabrication of a magnetic nanobiocomposite based on flaxseed mucilage hydrogel and silk fibroin for biomedical and in-vitro hyperthermia applications
Materials Aside from silkworm cocoons, all of the chemical reagents and chemical solvents including ethylenediaminetetraacetic acid (anhydrous, ≥ 99.0%), tris (hydroxymethyl) aminomethane (≥ 99.8%), anhydrous sodium carbonate (powder, 99.99%), lithium bromide (anhydrous, ≥ 99.0%), ammonia (≥ 99.98%), iron (III) chloride hexahydrate (reagent grade, ≥ 98%), and iron (II) chloride tetrahydrate (reagent grade, 98%) were purchased from Sigma-Aldrich company. In addition to this, the…
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Fabrication of angstrom-scale two-dimensional channels for mass transport
Eijkel, J. C. T. & van den Berg, A. Nanofluidics: what is it and what can we expect from it? Microfluid. Nanofluidics. 1, 249–267 (2005). Article CAS Google Scholar Bocquet, L. & Charlaix, E. Nanofluidics, from bulk to interfaces. Chem. Soc. Rev. 39, 1073–1095 (2010). Article CAS PubMed Google Scholar Convery, N. & Gadegaard, N.…