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Friday, July 24, 2020 | History

4 edition of Computer investigation of the stability and structure of Si and SiO2 nanoparticles found in the catalog.

Computer investigation of the stability and structure of Si and SiO2 nanoparticles

Alexander Y. Galashev

Computer investigation of the stability and structure of Si and SiO2 nanoparticles

by Alexander Y. Galashev

  • 347 Want to read
  • 11 Currently reading

Published by Nova Science Publishers in Hauppauge, N.Y .
Written in English

    Subjects:
  • Silicon,
  • Nanoparticles,
  • Computer simulation,
  • Analysis,
  • Data processing

  • Edition Notes

    Includes bibliographical references and index.

    Statementauthors, A.Y. Galashev, V.A. Polukhin
    ContributionsPolukhin, V. A. (Valeriĭ Anatolʹevich)
    Classifications
    LC ClassificationsTA418.9.N35 G35 2011
    The Physical Object
    Paginationp. cm.
    ID Numbers
    Open LibraryOL24839005M
    ISBN 109781613243183
    LC Control Number2011010114

      Si oxide powder is reduced by highly repetitive pulse laser ablation in liquid, and Si nanoparticles are produced efficiently with a low cost in a short time. A Si nanopaste with highly doped Si nanoparticles was sintered by using a hot plate. We succeeded in fabricating a sintered Si nano-polycrystalline for the first time. The structure and components of the fabricated sintered Si nano. Eucalyptus pulp cellulose fibers were modified by the sol-gel process for SiO 2 superficial deposition and used as reinforcement of thermoplastic starch (TPS). Cassava starch, glycerol, and water were added at the proportion of 60/26/14, respectively. For composites, 5% and 10% (by weight) of modified and unmodified pulp fibers were added before extrusion.

    Silicon Dioxide (SiO2) Nanopowder/Nanoparticles are widely used in color rubbers, batteries, adhesives, fiber, ceramics, due to their good abrasion resistance, good electrical insulation, and high thermal stability. The core and surface structures of nanoparticles have been studied in si-O = 4 and Z O-Si = 2, i.e. the main structural elemen t of the network [], and in the investigation of the structure changes in cristobalite and silica glass at high temperatures [18]. These potentials repro-.

      Carbon-coated silica nanoparticles anchored on multi-walled carbon nanotubes ([email protected]/MWNT composite) were synthesized via a simple and facile sol-gel method followed by heat treatment. Scanning and transmission electron microscopy (SEM and TEM) studies confirmed densely anchoring the carbon-coated SiO2 nanoparticles onto a flexible MWNT conductive network, which . Silicon Oxide Nanopowder / Sio2 Nanoparticles, Find Complete Details about Silicon Oxide Nanopowder / Sio2 Nanoparticles,Silicon Oxide Nanopowder / Sio2 Nanoparticles,Silicon Oxide Used For Optical Coating,Sio2 Sand from Oxide Supplier or Manufacturer-INTELLIGENT MATERIALS PRIVATE LIMITED.


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Computer investigation of the stability and structure of Si and SiO2 nanoparticles by Alexander Y. Galashev Download PDF EPUB FB2

: Computer Investigation of the Stability and Structure of Si and Sio2 Nanoparticles (Nanotechnology Science and Technology) (): Alexander Y. computer investigation of the stability and structure of si and sio2 nanoparticles; computer investigation of the stability and structure of si and sio2 nanoparticles; library of congress cataloging-in-publication data; contents; preface; abbreviations; chapter 1: introduction; chapter 2: molecular dynamics calculations; Fast development of nanotechnologies requires a search of new methods of studying the structure and stability of nanomaterials with detailed investigation of their structural units.

This book discusses molecular dynamics simulation of noncrystalline silicon and silicon dioxide clusters with the size of 60 up to atoms. Anatoly Kovalev, Dmitry Wainstein, David Tetelbaum, Alexey Mikhailov, The peculiarities of electronic structure of Si nanocrystals formed in SiO2 and Al2O3 matrix with and without P doping, Surface and Interface Analysis, /sia, 38, 4, (), ().Cited by: Schupper, S., Friedman, S.L., Marcus, M.A., Adler, D.L., Xie, Y.K., Ross, F.M., Harris, T.D., Brown, W.L., Chabal, Y.J., Brus, L.E., and Citrin, P.H., Dimensions of Luminescent Oxidized and Porous Silicon Structures, Phys.

Rev. Lett.,vol. 72, no. 16, pp. –Author: A. Galashev. Computer investigation of the stability and structure of Si and SiO2 nanoparticles The electronic structure of Si was considered for investigations and it was found that pristine IQD were more. We report an experimental investigation by electron paramagnetic resonance (EPR) spectroscopy on the properties of the E′γ centers induced by β-ray irradiation in nanoparticles of amorphous SiO2 (fumed silica) with mean diameters from 7 up to 40 nm.

We found that the E′γ centers are induced in all the fumed silica types in the dose range 4– kGy. Silicon dioxide is the main component of beach sand and is commonly known as quartz in its pure crystalline form.

For industrial purposes the amorphous (non-crystalline form) silicon dioxide or silica is of greater importance. Amorphous silica can be found in a range of. The stability of the folded i-motif structure is a good strategy to inhibit the telomerase reaction in cancer cells.

The electrochemical biosensor was prepared by modifying carbon paste electrode with SiO 2 nanoparticles to investigate drugs which can stabilize this structure. Tamoxifen (Tam), an antiestrogen hormonal agent for treatment of. The increase in the use of SiO2 nanoparticles (NPs) is raising concern about their environmental and health effects, thus necessitating the development of novel methods for their straightforward detection and characterization.

Single particle ICP-mass spectrometry (SP-ICP-MS) is able to provide information o JAAS Recent HOT articles. Synthesis and Characterization of SiO2 Nanoparticles by Sol-Gel Process and Its Degradation of Methylene Blue especially silicon dioxide.

The present work deals with the sol-gel synthesis of SiO2 material and Study of XRD of Sio2 Structures °, °, °. Furthermore, due to the wide use of nanoparticles and enzymes in various industries, this study attempts to investigate the interaction between the elastase and SiO 2 nanoparticles and also, due to structure-function relationship, we reported structure alterations of elastase in the presence of SiO 2 nanoparticles.

Materials and methods Because nanoparticles have larger adhesion energy at the air-water interface than the surfactant, they help to prevent a gas diffusion between bubbles that leads to foam film rupture.

In this study, the detail investigation on the behavior of mixed-surfactant foam stabilized by silica nanoparticles (SiO 2. In this study, a structure of large-area orderly-arranged [email protected] core–shell nanoparticles decorated with Au nanoparticles was fabricated for surface-enhanced Raman spectroscopy (SERS).

This hybrid structure features light confinement in the Si shells and a. Due to its dominant role in silicon devices technologies [1, 2] the SiO 2 /Si interface has been intensively studied in the last five ability to form a chemically stable protective layer of silicon dioxide (SiO 2) at the surface of silicon is one of the main reasons that make silicon the most widely used semiconductor silicon oxide layer is a high quality electrically.

nanofluid exhibited good stability. Similarly, Fazeli et al [8] dispersed SiO 2 nanoparticles in distilled waterusing an ultrasonic bath for at least 90 min and found that silica nanofluids stayed stable for 72 hours. M.A.

Ahmed et al [9] developed numerical and experimental investigations on the heat transfer enhancement in corrugated channels. nanoparticles were produced by the ALA method, using a third-harmonic ( nm) Q-Switch Nd:YAG laser irradiation and a Silicon target in an aqueous solution of AgNO.

x M. ALA is a simple methodfor the fast (2 to 3 min), scalable synthesis of inert colloidal metal- silica nanoparticles in stable colloids.

The method is based. Silicon dioxide (SiO 2) Nanoparticles has a three-dimensional network structure and a large specific surface area.

They show great activity and can form a mesh structure when the paint dries, it increases the strength and finish of the coating and improves the suspended pigment of. Size regulation and prediction of the SiO2 nanoparticles prepared via Stöber process.

Journal of Dispersion Science and Technology: Vol. 38, No. 1, pp. Preparation of SiO 2 nanoparticles by silicon and their dispersion stability. Preparation of SiO. nanoparticles by silicon and their dispersion stability. [ ] Journal of Wuhan University of Technology-Mater.

Sci. Ed. Nano Lubricant: The nanoparticles of SiO2 having the average particle size nm were mixed in the lubricant SAE The mixing of nanoparticles was done on weight ratio basis. The amount of nanoparticles to be mixed in the lubricant starts from % by weight upto 1% by weight in the successive increment of %.In this study, a thorough investigation on the influence of silicon dioxide (SiO2) nanoparticles, alpha olefin sulfonate (AOS) and sodium dodecyl sulfate (SDS), on foam stability and apparent.

Silicon dioxide (SiO2) nanoparticles (NPs) and titanium dioxide (TiO2) NPs are the most widely used inorganic nanomaterials. Although the individual toxicities of SiO2 and TiO2 NPs have been extensively studied, the combined toxicity of these NPs is much less understood.

In this study, we observed unexpected and drastic activation of the caspase-1 inflammasome and production of IL-1β .