Materials Literature
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In this paper, we introduce and explore a transformation-optics-based approach to “cloaking” an electromagnetic sensor, i.e., strongly reducing its visibility while maintaining its field-sensing capabilities. The proposed approach relies on a judicious tailoring of the interactions between the competing effects of inv…
The effect of carbon nanotubes (CNTs) on the optical and mechanical properties of iodinated poly(vinyl alcohol) (PVA) polarization films for the visible spectral range is briefly considered. The application of CNTs onto iodinated PVA films increases their optical transmission in the 200–750 nm wavelength range and pro…
Diagnostics such as neutron yield, ion temperature, image size and shape, and bang time in capsules with >∼25 % deuterium fuel show changes due to burn product heating. The comparison of performance between a THD(2%) and THD(35%) can help predict ignition in a TD(50%) capsule. Surrogacy of THD capsules to TD(50%) is i…
The optical, magnetooptical (Kerr effect and magnetotransmission), and magnetotransport properties of La 2/3 Ca 1/3 MnO 3 /La 2/3 Sr 1/3 MnO 3 and La 2/3 Ca 1/3 MnO 3 /SrTiO 3 /La 2/3 Sr 1/3 MnO 3 heterostructures on SrTiO 3 substrates are studied. The contribution of the interface boundary to the magnetotransmission…
The results of experimental studies of the influence of electric transfer on the Kirkendall effect in a Bi-Cd system and the partial lengths of contact interlayers of Bi-Cd and In-Zn systems upon contact melting are discussed. It was established that electric current passing across the melt formed upon contact melting…
This work is devoted to the development of a new hybrid method of deposition of coatings based on ion-plasma arc sputtering and magnetron sputtering. The objects of investigation were samples of coatings of the Ti-Al-N system on the VK-6 hard-alloy plates obtained by three different methods, namely, ion-plasma sputter…
Aluminium targets were irradiated with 92 eV radiation from FLASH Free Electron Laser at DESY at intensities up to 10 17 W/cm 2 by focussing the beam on target down to a spot size of ∼1 μm by means of a parabolic mirror. High resolution XUV spectroscopy was used to identify aluminium emission from complex hole-states.…
Thermodynamic analysis of simultaneous and sequential adsorption of crystal violet (CV) and 2-naphthol adsorption on montmorillonite has been conducted, and the changes of microstructure of the clay after adsorption were investigated using X-ray diffraction (XRD). The basal spacing and structural order of CV and 2-nap…
Pd electrocatalysts supported on TiO2 nanotubes (TNTs) were prepared and used for the oxidation of ethanol in alkaline media. The morphology and structure of the TNTs and the Pd-TNTs/Ti catalyst were characterized by field emission scanning electron microscopy (FESEM). The FESEM results showed that the nanotube struct…
The tolerance capability against ATWS for the FBR core with metallic fuel can be improved by employing a fuel with high thermal conductivity (HTC fuel) instead of the conventional metallic fuel, UPu-Zr. To investigate the self-controllability for the HTC-fueled core with U-Pu-Al alloy fuel, having one order of magnitu…
Nowadays, the light emitting diode (LED) is one of the most valuable light resources. However, it is well known that the optical output power is degraded with the heat integration. Hence, thermal management and evaluation system is required. Thermal conductivity is regarded as one of the most important properties that…
In validating a computational model to evaluate the efficiency of a cylindrical gear, the friction work in the tooth contact is expressed through the total sliding distance along the length of the involute of the tooth. This allows one to determine the dependence of the efficiency of the gear uon the value of the torq…
Black-coloured GaN nanoparticles with an average grain size of 50 nm have been obtained by annealing GaN nanoparticles under flowing nitrogen at 1200 °C for 30 min. XRD measurement result indicates an increase in the lattice parameter of the GaN nanoparticles annealed at 1200 °C, and HRTEM image shows that the increas…
Solution processed-metal oxide as an interlayer is introduced between the organic layer and the electrode for improving the performance of the low-cost inverted polymer solar cells. Our investigations indicate that cuprous oxide thin film as an electron blocking layer can modulate the Schottky barrier at organic/elect…
The meso-tetranaphthylporphyrins (TNP) derivatives, 5-(2-hydroxy-1-naphthaldehyde-4-naphthyleneimine)-10,15,20-trinaphthylporphyrin 3, 5-(salicylidene-4-naphthyleneamine)-10,15,20- trinaphthylporphyrin 4 and 5-(thiophene-2-carboxaldehyde-4-naphthyleneimine)-10,15,20-trinaphthylporphyrin 5, were synthesized by the reac…
Abstract Mixtures of polystyrene‐block‐polyisoprene‐block‐polystyrene (SIS) triblock copolymer and various styrenic block copolymers (having diblock and triblock architectures) as well as polystyrene homopolymer (PS) were prepared via solution blending to determine the influence of molecular coupling on the large stra…
The analytical expressions were derived to calculate thickness of a three-dimensional flow electrode (TFE) working in limiting diffusion current mode in the cases of unidirectional and multidirectional electric field and solution flow for the given degree of metal extraction. The algorithm was suggested on the basis o…
We present the design and development of a compact Wilkinson power divider based on novel via-less composite righ/left-handed (CRLH) transmission lines. The power divider is designed by replacing all conventional right-handed quarter-wavelength transmission lines by CRLH transmission lines. The experimental results de…
We demonstrated that single-layered red phosphorescent organic light-emitting diodes (OLEDs) can have high a efficiency without carrier transport and injection layers. This high efficiency is caused by the direct injection of carriers from electrodes into a dopant, bis(2-phenylquinoline) iridium(III) (acetylacetonate)…
We deposited interpoly-stacked dielectric films with Si3N4/SiO2/Si (ON) and SiO2/Si3N4/Si (NO) structures by the atomic layer deposition method. The multilayer structure of these films with the interfaces was investigated by O and N K-edge X-ray absorption spectroscopy, nondestructive method. The electrical properties…