Materials Literature
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We present a combined experimental and theoretical investigation of the magnetic behavior of ultra-thin Cr films grown on oxygen-passivated Fe(001)-p(1×1)O substrates. In all cases, oxygen floats on the metal/vacuum interface, where a monolayer-range oxide with peculiar electronic and structural characteristics is for…
The phase equilibria occurring in the ErPO 4 –KPO 3 system were investigated by thermoanalytical, X-ray powder diffraction and FTIR methods. On the basis of the obtained results, its phase diagram was proposed. This system includes one intermediate compound, KErP 2 O 7 . This phosphate decomposes peritectically at abo…
1. Toxic and Microbiological Effects of Iron Oxide and Silver Nanoparticles as Additives on Extended Ram Semen Ioannis Tsakmakidis, Theodoros Samaras, Sofia Anastasiadou, Athina Basioura, Aikaterini Ntemka, Ilias Michos, Konstantinos Simeonidis, Isidoros Karagiannis, Georgios Tsousis, Mavroeidis Angelakeris, Constanti…
A novel APPJ system used to simulate the effect of ozone and visible light on enhancing the catalytic activity of nano-Co3O4 for dye removal at neutral pH, Chen, Guangliang, Huang, Jun, Yu, Jinsong, Xu, Huimin, Bai, Huiyu, Hu, Guoliang
Single-crystalline CVD diamond films have excellent electrical and material properties with potential in high power, high voltage and high frequency applications that are out of reach for conventional semiconductor materials. For realization of efficient devices (e.g. MOSFET), finding a suitable dielectric is essentia…
We numerically studied a square array of plasmonic nanostructures with the unit cell composed of a z-shaped chiral structure and an achiral strip pair. Circular-polarization-dependent mode hybridization between the z-shaped structure’s radiant mode and the strip pair’s subradiant mode is observed: the resonance amplit…
The study of clay fractions is usually focused on water-dispersible clay (WDC), which is a good indicator of many soil processes involving water (water erosion, transfer and removal of nutrients and contaminants). Aggregated clay (AC) that remains after WDC extraction is also important, as it controls the formation of…
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Columnar microfibrous thin films (μFTFs) of Parylene C are deposited on top of p-type Si substrate using physicochemical vapor deposition to form metal-insulator-semiconductor and metal-insulator-metal structures utilizing the Parylene-C μFTFs as the gate dielectric. The columnar μFTFs were characterized for their ele…
Although p-type GaN has been achieved by Mg doping, the low hole-mobility still remains a difficulty for GaN-based light-emitting diodes (LEDs). Due to the lack of field-dependent-velocity model for holes, in GaN-based LED simulations, the hole mobility is usually supposed to remain constant. However, as the p-GaN-lay…
Abstract Electronic structure properties including bond lengths, bond angles, dipole moments (μ), energies, band gaps, nuclear magnetic resonance (NMR) parameters of the isotropic and anisotropic chemical shielding parameters for the sites of various atoms were calculated using density functional theory for C-, Si-, a…
By combining atomic force microscopy experiments and full-atomistic computer simulations, we compared the two-dimensional ordering dynamics of two variants of supramolecular polymers of bis-urea molecules which differed only by a single cis -double bond in their side groups. At early stages of ordering, the double bon…
Abstract A soda lignin, Protobind 2400, was blended at ratios up to thirty weight percent with polyolefins or the aliphatic-aromatic copolyester Ecoflex and films were cast with a twin-screw extruder. The mechanical properties, structure, and optical properties of the resultant films were characterized by tensile test…
Beton Ringan dengan teknologi gas adalah campuran antara semen, air, agregat dengan bahan tambah tertentu yaitu dengan mencampur alumunium pasta yang akan bereaksi dengan kalsium hidroksida dari pasir sehingga membentuk gas hidrogen. Gas hidrogen kemudian menciptakan gelembung selama pengembangan, setelah beton kering…
A method for computational description of morphology of dispersive components’ spatial structures in composites has been developed. The method is based on the calculation and comparison average values of the elongation coefficient ( K e ), sinuosity coefficient ( K s ), and fullness coefficient ( K f ) for structures…
The optical properties of LiBaBO3 doped with Eu2+ are investigated in the temperature regime between 10 and 525 K for the first time. At room temperature (RT), a broad emission band peaking around 485 nm is observed. The emission is ascribed to the 4f65d1 → 4f7 transition on Eu2+. The excitation spectra consist of bro…
We study the collapse of two-dimensional polymers, via an O($n$) model on the square lattice that allows for dilution, bending rigidity and short-range monomer attractions. This model contains two candidates for the theta point, $Θ_{\rm BN}$ and $Θ_{\rm DS}$, both exactly solvable. The relative stability of these poin…
Ultrafast optical spectroscopy can provide insight into fundamental microscopic interactions, dynamics and the coupling of several degrees of freedom. Pump/ probe studies can reveal the answer to questions like “What are the achievable switching speeds in multiferroics?”, “What is the influence of the crystallographic…
This communication reports the first example of precision polyolefin nanoalloys where an exotic immiscible polymer is nanometrically dispersed with stability in a polyolefin matrix in a highly controlled mode. Following the preparation of polypropylene/multiwalled carbon nanotubes nanocomposites (PP/MWCNTs) by in situ…
A unique, hierarchically structured, aggregated TiO(2) nanowire (A-TiO(2)-nw) is prepared by solvothermal synthesis and used as a dual-functioning photoelectrode in dye-sensitized solar cells (DSSCs). The A-TiO(2)-nw shows improved light scattering compared to conventional TiO(2) nanoparticles (TiO(2)-np) and dramatic…