Materials Literature
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Abstract Collagen–chitosan scaffolds of different compositions were developed using emulsion air‐drying method. The scaffolds prepared adding 10–30 wt% of chitosan to collagen improved the mechanical properties of the composite scaffold, and 7:3 ratio (collagen :chitosan) was found to be a better composite having a te…
Vanadium oxide (VO2) is a narrow band gap material (Eg = 0.7 eV) with a thermally induced insulator-metal phase transition at ∼343 K and evidence of an electric field induced transition at T < 343 K. To explore the electronic properties of VO2, a sandwich structure was prepared with a 2 nm VO2 layer embedded be…
The authors investigated the effects of MoO3 doping power on the electrical, optical, and structural properties of MoO3-doped In2O3 (IMO) films for use as transparent electrodes in organic solar cells (OSCs). By optimizing the RF power of the MoO3 target (30 W), they obtained IMO films with sheet resistance of 24.57 Ω…
Micellenanaloga von Bolaamphiphilen sind die Titelsysteme, die durch Kristallisations-getriebene lebende Selbstorganisation von Diblockcopolymeren mit kernbildenden Polyferrocenylsilanblöcken erhalten werden können. Diese neuartigen Co-Micellen-Bausteine bilden – abhängig von den relativen Längen der A- und B-Segmente…
A blue-emitting borophosphate KSrBP 2 O 8 : Eu 2+ is synthesized and evaluated as a candidate for near ultraviolet white light emitting diodes. This phosphor shows strong excitation band in 250~420 nm, and a broad and asymmetry emission band with a tail on the long-wavelength side. According to investigating on the cr…
RATIONALE: Due to the low resistance of forms of pesticides to environmental conditions, agrochemicals frequently do not reach their objective, which may cause environmental pollution. The minimisation of the adverse effects of pesticides requires the development of a system for their long-term controlled release. In…
Several polycrystalline p-type skutterudites with compositions BaxYbyCo4−zFezSb12, with varying filler concentrations x and y, and z = 1 to 2, were synthesized by reacting the constituents and subsequent solid state annealing, followed by densification by hot-pressing. Their thermoelectric properties were evaluated fr…
Nd-Co amorphous magnetic films with perpendicular magnetic anisotropy have been grown on nanostructured templates prepared with self-organized di-block poly(styrene)-block-poly(4-vinylpyridine) copolymer layers with a periodic structure of 60 nm spaced pores. These templates modify both the magnetic film topography an…
CdTe and CdTe/CdS quantum dots (QDs) were prepared in aqueous solutions using thioglycolic acid as a stabilizing agent. The photoluminescence (PL) wavelength of the QDs depended strongly on the size of CdTe cores and the thickness of CdS shells. Being kept at room temperature for 130 days, the PL wavelength of CdTe an…
Thin absorber defects called residual-type defects are etching residues that tend to become more discernible as the pattern size of the extreme ultraviolet (EUV) mask shrinks. Projection electron microscope (PEM) images of the residual-type defects with various thicknesses were investigated using Monte Carlo simulatio…
Based on the half-metallicity confirmed experimentally in bulk Heusler alloy Co2VGa, we use the first-principles calculations to extend our previous studies on the Co2VGa (111) surfacial properties to the interfaces of Co2VGa/PbS (111) heterostructures in which four possible interfacial structures are considered betwe…
A fabrication method is developed for superhydrophilic surfaces with high capillary pressure and fast spreading speed. The fabrication method consists of electrophoretic deposition (EPD) and breakdown anodization (BDA). Nanopores and micropores were produced on titanium plates by EPD and BDA, respectively. In EPD, TiO…
We use Monte Carlo simulations to study AB copolymer-grafted nanoparticles to elucidate the effect of blockiness (length of contiguous blocks of like-monomers) in the grafted monomer sequence on the shape, size, and structure of assembled nanoparticle clusters for a range of monomer–monomer and monomer–particle intera…
Diamondoids are unique molecular nano-materials with diamond structure and fascinating properties such as negative electron affinity and short electron mean free paths. A thin layer of diamondoids deposited on a cathode is able to act as an electron monochromator, reducing the energy spread of photo-emitted electrons…
The solid state complex [Mn(CO)dppe(2)][BArF(24)] was synthesized and the thermodynamic behavior and properties of the hydrogen absorption reaction to form the dihydrogen complex [Mn(η(2)-H(2))dppe(2)][BArF(24)] were measured over the temperature range 313K-373K and pressure range 0-600 torr using the Sieverts method.…
Abstract It is demonstrated that magnesium and carbonate ions can form pre-nucleation clusters in analogy to calcium carbonate. If a mixed calcium and magnesium solution is brought in contact with carbonate ions, mixed pre-nucleation clusters form. The equilibrium constants for their formation are reported revealing t…
The ZnO films were deposited on GaN and with an interlayer of InGaN by atomic layer deposition. The orientation of the ZnO films was 〈0001〉 on InGaN, whereas it was 〈707¯4〉 (perpendicular to (101¯0) plane) on GaN. The lattice mismatch between ZnO and InGaN was about 0.3%, which is lower than that between ZnO and GaN (…
A new type of nanoparticle-containing glasses based on borate glasses co-doped with low contents of iron and larger radius elements, Dy, Tb, Gd, Ho, Er, Y, and Bi, is studied. Heat treatment of these glasses results in formation of magnetic nanoparticles, radically changing their physical properties. Transmission elec…
Abstract To develop a novel functional fibrous scaffold, a blend‐electrospinning technique was applied to transfer polyurethane/inorganic‐particles solutions into nanofibers, in which titanium dioxide, copper, or/and silver nanoparticles were used. The resultant nanofibers were subsequently characterized by means of s…
High quality Zn0.92Cd0.08O/ZnO multiple quantum wells with smooth interfaces have been prepared on c-plane sapphire substrates by pulsed laser deposition. The periodic structure has been characterized by scanning transmission electron microscope and energy dispersive x-ray spectroscopy line scans. The temperature depe…