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761
Thermal conductivity performance for ternary hybrid nanomaterial subject to entropy generation
Published 2022-11-01“…Here titanium dioxide (TiO2) ferric oxide, (Fe2O3) and silicon dioxide (SiO2) are used as nanoparticles. Mixture of water (H2O) and ethylene glycol (C2H6O2) are used as base fluid. …”
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762
Natural convective heat transfer in a square enclosure utilizing magnetic nanoparticles
Published 2019-09-01“…In numerical simulations, four types of nanoparticles such as magnetite (Fe3O4), cobalt ferrite (CoFe2O4), Mn-Zn ferrite (Mn-ZnFe2O4), and silicon dioxide (SiO2), and three types of base fluids such as water (H2O), engine oil (EO) and kerosene (Ke) have been considered. …”
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763
An Optical 1×4 Power Splitter Based on Silicon–Nitride MMI Using Strip Waveguide Structures
Published 2023-07-01“…The main functionality of the proposed design is to use Si<sub>3</sub>N<sub>4</sub> for dealing with the back reflection (BR) effect that usually happens in silicon (Si) MMI devices due to the self-imaging effect and the higher index contrast between Si and silicon dioxide (SiO<sub>2</sub>). The optimal device parameters were determined through numerical optimizations using the beam propagation method (BPM) and finite difference time domain (FDTD). …”
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764
Nano silylation modification of diamond powder surface and its oxidation resistance
Published 2022-08-01“…When the gel film is heated to a certain temperature, the silicon dioxide in it can change from amorphous phase to crystalline phase. …”
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765
Study of Structural and Optical Properties of Electrodeposited Silicon Films on Graphite Substrates
Published 2022-01-01“…Silicon (Si) films were deposited on low-cost graphite substrates by the electrochemical reduction of silicon dioxide nanoparticles (nano-SiO<sub>2</sub>) in calcium chloride (CaCl<sub>2</sub>), melted at 855 °C. …”
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766
Ultra-low-loss on-chip zero-index materials
Published 2021-01-01“…The approach of Tian Dong and coworkers from China and the US is to embed an array of silicon pillars (about 180 nm in radius and 1100 nm high) into a matrix of silicon dioxide to create a Dirac-cone photonic-crystal slab. …”
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767
State Switching of Terahertz Reflection and Orbital Angular Momentum in Phase Change Metasurfaces
Published 2022-01-01“…They consist of vanadium dioxide blocks, silicon dioxide spacer, and gold film. By changing the size of vanadium dioxide block, vanadium dioxide in the metallic state forms a gradient metasurface. …”
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768
Enhancements on Flame Resistance by Inorganic Silicate-Based Intumescent Coating Materials
Published 2021-11-01“…After high-temperature flame testing, a densely complex protective layer of carbon-char created on top of the robust silicon dioxide networks offers notable flame resistance. …”
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769
Nanostructure of Porous Si and Anodic SiO<sub>2</sub> Surface Passivation for Improved Efficiency Porous Si Solar Cells
Published 2021-02-01“…The photovoltaic effect in the anodic formation of silicon dioxide (SiO<sub>2</sub>) on porous silicon (PS) surfaces was investigated toward developing a potential passivation technique to achieve high efficiency nanostructured Si solar cells. …”
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770
Fluorine-Free, Highly Durable Waterproof and Breathable Fibrous Membrane with Self-Clean Performance
Published 2023-01-01“…According to the bionics of lotus leaves, a coarse structure was built onto the surface of the SBS fiber using dip-coating of silicon dioxide nanoparticles (SiO<sub>2</sub> NPs). Polydopamine, an efficient interfacial adhesive, was introduced between the SBS fiber and SiO<sub>2</sub> NPs. …”
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771
Endoscope Capsules: The Present Situation and Future Outlooks
Published 2023-11-01“…These optical filters are based on the principle of Fabry-Perot and were made of thin films of titanium dioxide (TiO<sub>2</sub>) and silicon dioxide (SiO<sub>2</sub>). Moreover, strategies and solutions for the adaptation of ECs for PDT are also discussed.…”
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772
Review of the Preparation and Application of Porous Materials for Typical Coal-Based Solid Waste
Published 2023-08-01“…Coal-based solid wastes, such as coal gangue and fly ash, are rich in valuable components, such as rare earth elements (REY), silicon dioxide, alkali metal oxides, and transition metal oxides, which can be used to synthesize various functional Si-based porous materials. …”
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773
The isothermal Boltzmann–Gibbs entropy reduction affects survival of the fruit fly Drosophila melanogaster
Published 2023-08-01“…This system is based on quantum bound entanglement of phonons and the phenomenon of phonon resonance (interference of phonon modes) in condensed matter (Silicon dioxide (SiO2) and single crystals of Silicon (Si0), Aluminum (Al0) plates (“chips”), glass, and water). …”
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774
Perinatal exposure to foodborne inorganic nanoparticles: A role in the susceptibility to food allergy?
Published 2022-12-01“…Among these factors, recent studies have emphasized the chronic dietary exposure of the mother to foodborne inorganic nanoparticles (NP) such as nano-sized silicon dioxide (SiO2), titanium dioxide (TiO2) or silver (Ag). …”
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775
Facile and Low-Cost Fabrication of SiO<sub>2</sub>-Covered Au Nanoislands for Combined Plasmonic Enhanced Fluorescence Microscopy and SERS
Published 2023-10-01“…The method is based on direct thermal evaporation of Au on glass substrates to form nanoislands, with thicknesses between 2 and 15 nm, which are subsequently covered by a thin layer of silicon dioxide. We have used HR-SEM and AFM to characterize the nanoislands, and their optical transmission reveals strong plasmon resonances in the visible. …”
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776
Rice Husk Ash as Pore Former and Reinforcement on the Porosity, Microstructure, and Tensile Strength of Aluminum MMC Fabricated via the Powder Metallurgy Method
Published 2022-08-01“…The handling of rice husk ash (RHA) has been raising environmental concerns, which led to the consideration of incorporating RHA in aluminum metal matrix composite fabrication. Due to the high silicon dioxide content of RHA, it can assist in enhancing both the properties and functionality of pure aluminum. …”
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777
Comparison of cytotoxicity effects induced by four different types of nanoparticles in human corneal and conjunctival epithelial cells
Published 2022-01-01“…In this paper, we aimed to investigate the toxicity effects of chemical components of PM on the ocular surface, focusing on the effects of four different types of nanoparticles (NPs) in human corneal epithelial cells (HCECs) and human conjunctival epithelial cells (HCjECs), which include titanium dioxide (TiO2), carbon black (CB), zinc dioxide (ZnO), and silicon dioxide (SiO2). We found that the in vitro cytotoxic effects of CB, ZnO, and SiO2 NPs are dependent on particle properties and cell type as well as the exposure concentration and time. …”
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778
Graphene Metamaterial Embedded within Bundt Optenna for Ultra-Broadband Infrared Enhanced Absorption
Published 2022-06-01“…The metamaterial itself has seven concentric cylindrical graphene layers separated by silicon dioxide thin films, thus each layer contributes to the overall absorption. …”
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779
Numerical investigation of nanofluids comprising different metal oxide nanoparticles for cooling concentration photovoltaic thermal CPVT
Published 2022-10-01“…When compared to water in a CPVT collector, water-SiO2 nanofluid provides the maximum heat transfer improvement of 12.5%. The silicon dioxide nanoparticles have high thermal conductivity, with the water-SiO2 nanofluid exhibiting the greatest heat transfer increase, followed by water-Al2O3, water-ZnO, water-CuO, and water. …”
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780
Assessment of the possibility of using leucoxene-quartz concentrate as raw material for production of aluminium and magnesium titanates
Published 2023-12-01“…Two main phases were identified in the products: 30 % aluminium/magnesium titanate and 40 % silicon dioxide. In products of pyrometallurgical processing in the presence of aluminium, phases of pseudobrookite (3.5 %) and titanite (0.5 %) were also found. …”
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