Materials Literature
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The up-to-date spectroscopic instrumentations are generally designed using reflection diffraction gratings operating in the autocollimation mode. Application of the waveguide-type reflection gratings in the autocollimation mode in designing various devices can provide an essential advantage as compared with the gratin…
This paper investigated the dynamics of a dipole of 1 2 parallel wedge disclination lines in a confined geometry, based on Landau-de Gennes theory. The behavior of the pair depends on the competition between two kinds of forces: the attractive force between the two defects, aggravating the annihilation process, and th…
Shape memory alloys (SMAs) represent a unique class of materials that undergo a reversible phase transformation (martensitic transformation) allowing these materials to display dramatic pseudoelastic stress-induced deformations and shape memory temperature-induced deformations that are recoverable. Among the known sha…
We report on microphase separation behaviors of mixed polymer brushes grafted onto an infinitely long cylindri- cal rod by performing polymer self-consistent field theory (SCFT) calculation with masking technique. The masking technique is especially suitable to deal with systems of confined polymers grafted onto curve…
We demonstrate that random non-prefabricated nanostructures act as prefect metamaterial absorbers. The absorbers are in simplified architectures fabricated by vapor deposition, without the need for extra lithographical and prefabrication processes.
A laser processing method for tuning the size of the anisotropic strain in a silicon core optical fiber is demonstrated. We propose that this technique can be used to modify the core’s opto-electronic properties for applications with specific requirements.
We studied the electron-phonon and electron-electron interactions in graphene and its heterostructures using pump-probe spectroscopy. Graphene on hexa-Boron Nitride undergoes band structure modification, which affects the relaxation mechanisms of the hot carriers.
The double nanohoneycombs (ZnO/Pt) on glass and Si substrates were fabricated by the two-step process of nanosphere lithography (NSL). The working parameters of the fabrication processes on nanohoneycomb performances were analysed and the factors affecting the size of nanohoneycombs, such as controlling nanosphere siz…
Two kinds of iron oxide particles—spherical cobalt-containing iron oxide particles with spinel structure and platelet γ-Fe2O3 particles—were synthesized for medical applications. The particle size of the spherical cobalt-containing iron oxide particles was about 20 nm regardless of the coercive force that was varied i…
Web is the foundation of the nonwoven fabric.In melt-blown technology, web forming quality is directly related to the performance of the nonwoven products.Melt-blown technology is analyzed in this paper the airflow movement of web forming structure and the influence of polymer melt trickle force relations influence on…
Calcium-Silicate-Hydrate (C–S-–H) is a structurally complex material that is the primary binding phase of all Portland cement concrete materials. C–S-–H is typically considered as an assemblage of discrete nanoscale particles whose interactions are governed by nanoscale friction and interfacial cohesion. Despite the c…
Electrical insulators, which are used to insulate cryogenic supply lines and conductor windings, are critical units in superconducting TOKAMAK magnets. Electrical insulators used in superconducting magnets fall into axial and radial insulators. These insulators can be made from glass ribbon epoxy densification and hav…
The industrial use of atmospheric pressure plasmas in the plastics processing industry has increased significantly in recent years. Users of this treatment process have the possibility to influence the target values (e.g. bond strength or surface energy) with the help of kinematic and electrical parameters. Until now,…
We investigate the adsorption mechanism of a single trans 4-pyridylazobenzene molecule (denoted by PAB) on a doped boron Si(111)√3×√3R30° surface (denoted by SiB) with or without boron-defects, by means of density functional theory calculations. The semiempirical approach proposed by Grimme allows us to take the dispe…
In this study, inverse opal photonic crystal hydrogel beads-supported silver nanoparticles for label-free SERS protein detection were demonstrated. Antibody immobilized inverse opal photonic crystal polyacrylamide beads were employed to fulfill multiplex proteins assay. And label-free detection was achieved by intrins…
The versatile layer-by-layer (LbL) technique, for consecutive adsorption of polyelectrolytes and charged nanoparticles onto a substrate, was used to modify cellulose fibres and model surfaces for improved mechanical and wetting properties. In addition to being used to modify cellulose substrates, the LbL technique was…
The parameters of localization patterns emerging at the linear stage of work hardening are discussed in the frame of autowave concept. The stress-strain diagrams have been plotted for the test samples of metals exposed to active loading. It is found that the product of phase autowave velocity and length has the same o…
A practical method to construct a high–frequency equivalent circuit model for AC motor of delta connection is present in this paper. The modelling is based on measured data of the motor–port impedance test and vector fitting technique. The procedure of the modelling is described in detail in this study. The proposed m…
Octahedron-like Au/Fe3O4magnetic nanoparticles are synthesized using decomposition of FeO(OH) and HAuCl4with the presence of oleic acid in 1-octadecene solvent. In the octahedron-like hybrid particles, Fe3O4mainly displayed the octahedral morphology and spherical Au nanoparticles partially embedded into one side of Fe…