Materials Literature
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A novel approach that employs the plasma phenomenon of inverted fireballs (FBs) was used to deposit chromium containing diamond like carbon (DLC) films on various substrates. The DLC films were obtained with a H2/CH4 feed-gas mixture. Three different types of substrates - graphite, SiC and stainless steel (SS) were co…
We report experimental studies on 2D colloidal crystals of dimers stabilized by vortex-like defects in planar nematic and π/2 twisted nematic cells. The dimers are prepared and self-assembled using a laser tweezer. We study the effect of temperature and electric field on the lattice parameters of the colloidal crystal…
In recent years deformation induced surface hardening was carried out to enhance the component performance of metastable austenitic steels. To be able to induce such a phase transformation from austenite to martensite in the workpiece surface layer, high mechanical loads and low process temperatures are required. Ther…
The operation of a fusion reactor requires diagnostic equipment for the monitoring of temperature, pressure, magnetic fields, radiation energy and fluence, and other operational parameters. Functional materials, in particular ferroelectrics, can play many useful roles in these types of measurement. This review paper d…
In this study, the wear performance of cryogenically treated cold-work tool steel (Vanadis 4 Extra) samples was evaluated in the light of some sliding wear tests. For this purpose, the samples were cryogenically treated for different durations (0, 1, 12, and 24 h) at deep cryogenic temperature (-145 C). A tempering pr…
The deformation and fracture localization characteristics are estimated by the methods of replicas, acoustic emission, metal magnetic memory, ultrasonic attenuation, microhardness, and electrical resistance. The relation between the estimated physical parameters on the one hand and the plastic zone size and the microc…
Collagen is the most abundant extracellular matrix protein in animal tissues, and heat-denatured collagen (gelatin) and its hydrolysate (collagen peptide) are frequently used as food supplements. Clinical trials revealed that supplemental ingestion of 5-10 g collagen peptide daily improved the properties of facial ski…
The new views of 2000 on cathodic hydrogen charging are introduced in the numerical modelling of the downstream hydrogen diffusion, and this Part I deals with artificial laboratory permeation with electrochemical measurements on a Pd coated exit face. The “true” transients and steady state are thus calculated for the…
Carbon nanotubes greatly influence bioaccumulation and translocation of organic chemicals in maize seedlings in both single- and multiple compound systems.
The occupation sites of calcium, lanthanum and cobalt ions in the Ca-La-Co M type ferrite Ca0.5La0.5CoyFe10.4-yOa, where y = 0.20 to 0.35, were analyzed by the neutron diffraction, the extended X-ray absorption fine structure (EXAFS) and the X-ray magnetic circular dichroism (XMCD) in order to understand the relations…
Glass sheets with the mol% composition 22.5MgO·22.5Al2O3·55SiO2 were coated with a thin ZrO2 layer on both sides via sol–gel dip coating. The samples were heated in a two-step process to 850 °C for 1 h and to 1000 °C for another 3 or 20 h. X-ray diffraction (XRD), optical microscopy and scanning electron microscopy (S…
Triangular silver nanoprisms with thicknesses of 3-5 nm and adjustable edge lengths - which can lead to nanoparticles with aspect ratios up to 1 : 50 - are quasi-two-dimensional nanoparticles. Due to high ensemble homogeneities, which are achieved by the application of a microfluid segment based preparation method, th…
A theoretical investigation of the geometry, stability and aromaticity of boron clusters doped by two Sc and Ti atoms was carried out using DFT calculations.
Characterization of carbon adsorbates in solution-processed ZnO thin films exposed to UV light and humidity.
Monitoring the sensing behavior and the reactivity of ESR active VO˙ species in ZnO crystals with specific exposed surfaces and in nanoparticles with uneven shape, different morphology-dependent sensing mechanism have been identified.
This paper presents several models and implementations on measuring the thermoelectric behaviour of an unknown material using Matlab/Simulink. The proposed models are designed using Simulink block libraries and can be linked to data obtained from an actual experimental setup. This model is unique, as it also contains…
Views Icon Views Article contents Figures & tables Video Audio Supplementary Data Peer Review Share Icon Share Twitter Facebook Reddit LinkedIn Tools Icon Tools Reprints and Permissions Cite Icon Cite Search Site Citation Suchita Dhankhar, Gopal Bhalerao, K. Baskar, Shubra Singh; Synthesis and characterization of poly…
Journal of Nano- and Electronic Physics. Scientific journal. ISSN: 2077-6772. Journal abbreviation: J. Nano- Electron. Phys. No page charges. All articles are freely available on-line. Issued 4 times per year. Publisher: Sumy State University. (Sumy, Ukraine)
A green microwave procedure was developed to synthesize highly surface-enhanced Raman scattering (SERS) active silver nanoparticles (AgNPs) with a resonance Rayleigh scattering (RRS) peak at 450 nm, and a new SERS enhancement mechanism was proposed.
The effect of bicyclic bisureas (glycolurils) and their derivatives functionalized with hydroxymethyl, halomethyl, and dimethoxyphoshorylmethyl groups on the flame resistance and physico-chemical properties of synthetic isoprene and divinyl rubbers was studied, and the procedures for preparing these agents were sugges…