Materials Literature
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Abstract Woven cloth can commonly be seen in daily life and also in animation. Unless prevented in some way, woven cloth usually frays at the edges. However, in computer graphics, woven cloth is typically modeled as a continuum sheet, which is not suitable for representing frays. This paper proposes a model that allow…
The problem concerning the mutual influence of two electromagnetic waves of different frequencies with the electric field vectors directed perpendicularly to each other on the charge carriers in graphene on a SiC substrate has been solved. The possibility of generating a direct component in the electric current has be…
Burkholderia sp. IS-01 capable of biosynthesizing poly(3-hydroxybutyrate-co-3-hydroxyvalerate) [poly(3HB-co-3HV)] copolyesters with a high molar fraction of 3HV was isolated from the gut of the adult longicorn beetle, Moechotypa diphysis. The strain IS-01 was relatively tolerant to high concentrations of levulinic aci…
Kinematic convergent-beam electron diffraction (KCBED) is a technique capable of probing and solving the atomic structure of isolated nanocrystals as small as a few nanometers in diameter. The method was evaluated by solving the structure of a spinel crystal from three-dimensional diffraction data. The charge-flipping…
The magnetic properties of Bi1 − x A x FeO3 − x/2 (A is an alkaline-earth ion) solid solutions have been studied in magnetic fields of up to 140 kOe. The ferroelectric phase (space group R3c) transforms into the nonpolar pseudocubic phase at x ≈ 0.2. It is demonstrated that the substitution of alkaline-earth ions for…
Abstract The effect of low temperature recovery treatments on recrystallization kinetics during subsequent annealing was examined using a simple physically-based model. The results suggest that recovery may accelerate recrystallization in high stacking fault energy materials. Otherwise, recovery is expected to retard…
This paper reviews research works carried out on silicon quantum dots ( Si -QDs) embedded in the silicon nitride ( SiN x ) dielectric matrix films with different fabrication techniques and different characteristics. The advantages of SiN x as a dielectric compared to silicon dioxide ( SiO 2 ) for Si -QDs from a device…
Using carbon nanotubes as nanobarriers, the growth of single-walled carbon nanotubes (SWNTs) on a quartz surface can be terminated. First, carbon nanotube nanobarriers were grown on a quartz surface by the gas flow-directed growth mode. Then, the SWNTs were grown on the quartz surface via the lattice-oriented growth m…
The results of investigations of the magnetic and magnetocaloric properties of alloys from the system Mn2−xFexP0.5As0.5 (0⩽x⩽0.5) are presented. The magnetization measurements are performed in the temperature interval 4.2–700K in magnetic fields up to 8T. The entropy changes ΔS with the magnetic field changing from 0…
Polyurethane (PU) elastomer based on castor oil and polymeric diphenylmethane diisocyanate (PMDI) was synthesised with NCO/OH ratio = 2 as a polymeric matrix. Polyurethane was composited with rice husk with average particle size less than 200 μm. Ground rice husk was pretreated by steam and sodium hydroxide solution i…
In the present study solid dispersions of Raloxifene HCl were prepared by melt mixing. As drug carriers, biodegradable/biocompatible aliphatic polyesters were used. These formulations were compared to those based on extensively used drug carriers such as PEG and Gelucire 50/13. The used aliphatic polyesters namely pol…
In the present Article, the Kelvin probe method for surface potential measurement is introduced to study polyelectrolyte multilayer coatings deposited on silicon plates. Metal-insulator-semiconductor (MIS) structures with polyelectrolyte layers as insulator were fabricated. The polyelectrolyte layer deposition on the…
Novel shielding materials for electromagnetic radiations have been formulated using two different approaches using red mud and processed red mud based systems. The crystallographic aspect of multicomponent and multishielding phases, in the formulated shielding materials, on the shielding efficiency has been studied. T…
The key requirement for the formation of a biaxial nematic phase is clearly biaxiality in the shape or interactions of the constituent molecules. However, in addition to this feature mesogenic molecules are invariably flexible so that their anisotropy and biaxiality can change. The orientational order of the system is…
The elastic properties of a two-dimensional five-harness melt-infiltrated silicon carbide fiber reinforced silicon carbide matrix (MI SiC/SiC) ceramic matrix composite (CMC) were predicted using several methods. Methods used in this analysis are multiscale laminate analysis, micromechanics-based woven composite analys…
This article introduces the development of a solid oxide fuel cell (SOFC) stack with anode-supported cells.The SOFC can provide the highest electrical efficiency among all fuel cell types, and high electric efficiency leads to less CO 2 produced during power generation.
Ni(II)-Fe(II)-Fe(III) layered double hydroxides (LDH) or Ni-containing sulfate green rust (GR2) samples were prepared from Ni(II), Fe(II) and Fe(III) sulfate salts and analyzed with X ray diffraction. Nickel is readily incorporated in the GR2 structure and forms a solid solution between GR2 and a Ni(II)-Fe(III) LDH. T…
The energy shortage and environment pollution is attracting more and more attention with the social development. Hence it is important to develop new energy and renewable energy that are bio-energy, wind energy, solar energy, small waterpower, tide energy, terrestrial heat energy, and hydrogen energy and so on. The re…
Abstract In the studies reported so far on dendrimer‐mediated catalysis, the efficacies of the catalytic units were studied and compared primarily across the generations. In order to identify the efficacy of an individual catalytic unit with respect to the number of such units present within a given generation, a seri…
Study of the optical symmetry of the high-temperature liquid crystal phase of the bent core molecule NORABOW produces the first direct evidence for a material having fluid layers with internally stabilised triclinic symmetry, exhibiting the SmCPG structure: spontaneous in-plane polar ordering as well as substantial co…