Materials Literature
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The dependence of the amount of the BaF2 flux additive on the luminescence of Y2.95Al5O12:0.05Ce3+ phosphors was investigated. The integrated emission intensity of Y2.95Al5O12:0.05Ce3+ prepared without the flux was enhanced by 29% with the addition of BaF2 flux at the optimum amount of 6 wt. %. Such an enhancement can…
In this paper, Cu-doped GeTe materials have been investigated for high-temperature phase change memory (PCM) application. Cu incorporated in GeTe increases the crystallization temperature, crystallization active energy, and band gap significantly. The incorporated Cu has effect on refining the crystal growth and bring…
Amphiphilic polydepsipeptides having a hydrophobic poly(L-lactic acid) block and varying numbers of a hydrophilic poly(sarcosine) block ranging from 1 to 3, AB-, A2B-, and A3B-type, were prepared and studied on their molecular assemblies. The morphologies were found to be polymeric micelles for the AB- and the A3B-typ…
The equilibrium geometric structures, relative stabilities, and electronic properties of Au(n)C(-) and Au(n+1)(-) (n = 1-10) clusters are systematically investigated using density functional theory with hyper-generalized gradient approximation. The optimized geometries show that one Au atom capped on Au(n-1)C(-) clust…
Polymeric brushes have emerged as a novel 3D material platform that provides great amounts of binding sites for biomolecules. This paper investigates the covalent immobilization mechanism of protein by spherical poly(acrylic acid) brushes (SPAABs) in the widely adopted N-hydroxysuccinimide/N-(3-dimethyl-aminopropyl)-N…
NrdH redoxins are small protein disulfide oxidoreductases behaving like thioredoxins but sharing a high amino acid sequence similarity to glutaredoxins. Although NrdH redoxins are supposed to be another candidate in the antioxidant system, their physiological roles in oxidative stress remain unclear. In this study, we…
Nanotechnology is a developing field while reducing the matter on atomic and molecular scale sized between 1 to 100 nanometre in one dimension. This technology recently attracted various branches of application due to the dissimilar behaviour of the bulk material when reduced to its nano-size. One such application is…
We have fabricated epitaxial thin films of NdNiO3 (NNO) on various single crystal substrates. The transport properties of NNO films are very sensitive to substrate-controlled epitaxial strain. As the strain varies from tensile to compressive, the Mott metal-insulator transition of NNO films shifts to low temperatures.…
We developed a phenomenological theory to describe the aligning field of polymer networks in polymer stabilized liquid crystals where sub-micron size polymer networks are phase separated from the liquid crystal in dispersion. The polymer networks are anisotropic and anchor the liquid crystals in their longitudinal dir…
Polymer field theory has emerged as a powerful tool for describing the equilibrium phase behavior of complex polymer formulations, particularly when one is interested in the thermodynamics of dense polymer melts and solutions where the polymer chains can be accurately described using Gaussian models. However, there ar…
Synthesis of new classes of nanomaterials for special applications is challenging the researchers worldwide. Biological methods of synthesis nanomaterials are often preferred because they are clean, non-toxic, safe, biocompatible and environmentally acceptable. Zinc oxide nanoparticles are used as antimicrobial agent…
INTRODUCTION: X-ray crystallography plays an important role in structure-based drug design (SBDD), and accurate analysis of crystal structures of target macromolecules and macromolecule-ligand complexes is critical at all stages. However, whereas there has been significant progress in improving methods of structural b…
The mechanism of corrosion inhibition of AA2024-T3 by sodium molybdate was investigated using various electrochemical, microscopic and spectroscopic techniques.Polarization curves in naturally-aerated solution showed that molybdate provided mixed inhibition in near-neutral pH solution and at a threshold concentration…
Water-in-oil emulsions stabilized solely by bacterial cellulose nanofibers (BCNs), which were hydrophobized by esterification with organic acids of various chain lengths (acetic acid, C2-; hexanoic acid, C6-; dodecanoic acid, C12-), were produced and characterized. When using freeze-dried C6-BCN and C12-BCN, only a ma…
Molecular dynamics simulations have been used to systematically study the pressure evolution and bursting behavior of sub-surface helium bubbles and the resulting tungsten surface morphology. This study specifically investigates how bubble shape and size, temperature, tungsten surface orientation, and ligament thickne…
Molecular static simulations of 190 symmetric tilt grain boundaries in hexagonal closed pack metals were used to understand the energetics of vacancy segregation, which is important for designing stable interfaces in harsh environments. Simulation results show that the local arrangements of grain boundaries and the re…
Surface photovoltage (SPV) spectroscopy, which is a versatile method to analyze the energetic distribution of electronic defect states at surfaces and interfaces of wide-bandgap semiconductor (hetero-)structures, is applied to comparatively investigate heterostructures made of 5-unit-cell-thick LaAlO3 films grown eith…
Co-Ti and Ru-Ti substituted barium ferrite nanocrystalline particles BaFe12−2xCoxTixO19 with (0≤x≤1) and BaFe12−2xRuxTixO19 with (0≤x≤0.6) were prepared by ball milling method, and their magnetic properties and their temperature dependencies were studied. The zero-field-cooled (ZFC) and field-cooled (FC) processes wer…
Celem artykułu jest zastosowanie hybrydowej metody elementów skończonych w modelowaniu obrabiarki KCI 210/280 NM. Z uwagi na innowacyjne zastosowanie hybrydowej metody elementów skończonych (HMES) w artykule przedstawiono sposób modelowania oraz wybrano warianty traktowania zespołów obrabiarki jako sztywnych oraz odks…
Chemical weathering of granitoids and related sorting effect during formation of black soil have been evaluated in the Yokota area, San'in district, Southwest Japan.The Minari section examined consists of three zones (A, B, and C, in descending order) in terms of soil stratigraphy.The C zone consists of relatively fre…