Materials Literature
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Ultrasmall inorganic oxide nanoparticles doped with trivalent lanthanide ions (Ln(3+)), a new and huge family of luminescent bioprobes, remain nearly untouched. Currently it is a challenge to synthesize biocompatible ultrasmall oxide bioprobes. Herein, we report a new inorganic oxide bioprobe based on sub-5 nm amine-f…
Vanadium pentoxide (V(2)O(5)) has attracted attention for supercapcitor applications because of its extensive multifunctional properties. In the present study, V(2)O(5) nanoporous network was synthesized via simple capping-agent-assisted precipitation technique and it is further annealed at different temperatures. The…
Photochromic materials are a family of compounds which can undergo reversible photo-switches between two different states or isomers with remarkably different properties. Inspired by their smart photo-switchable characteristics, a variety of light-driven functional materials have been exploited, such as ultrahigh-dens…
Abstract Phase‐change memory is a promising candidate for the next generation of non‐volatile memory devices. This technology utilizes reversible phase transitions between amorphous and crystalline phases of a recording material, and has been successfully used in rewritable optical data storage, revealing its feasibil…
In situ TiB w and La 2 O 3 reinforced titanium matrix composites were successfully fusion welded by the gas tungsten arc welding (GTAW) process and the weldability and feasibility for composites were studied, and uniform and defect free welds were produced with sound welding parameters. Microstructural observations sh…
We present self-consistent calculations of electron transport in graphene nanoconstrictions within the Hartree approximation. We consider suspended armchair ribbons with V-shaped constrictions having perfect armchair or zigzag edges as well as mesoscopically smooth but atomically stepped constrictions with cosine prof…
As stated before, the water permeability of materials or structures may be used as an indicator for the durability. The intention of the presented work was to link the water permeability to the crack pattern. It soon became apparent that the maximum crack width as well as the average crack width should not be used for…
Abstract The properties of recycled low temperature biodegradable polycaprolactone‐based thermoplastic polyurethane (rTPU), filled with different types of organically modified montmorillonite (MMT) prepared by two‐roll milling, were studied. The dependence of rTPU properties on the mastication time and clays content w…
Abstract Zwitterionic hybrid SBA‐15 mesoporous silica materials containing both amine and sulfonic acid groups have been synthesized through cocondensation from as‐synthesized zwitterionic siloxane precursors (ZS) with tetraethoxysilane (TEOS). Characterization by XRD, TEM, and N 2 adsorption–desorption measurements s…
The crystallization of multicomponent triacylglycerol (TAG) mixtures, for example, edible fats, is of paramount importance in the manufacture of products such as chocolate, ice cream, and butter (Garside, 1978; Hartel, 2001). The crystallization behavior and structure of these materials is extremely sensitive to heat…
Abstract The tensile stress and strain under small deformation for plastics/elastomer blends were analyzed, based on a geometric model and mechanical element model, and a Young’s modulus equation was derived based on the hypothesis with equal strain and Hooke’s law. The polypropylene (PP)/polyolefin elastomer (POE) bl…
In order to get to the bottom of substitution effects reported in CuCrO${}_{2}$ delafossite, structural, magnetic, and electric properties of several CuCr${}_{1\ensuremath{-}x}$M${}_{x}$O${}_{2}$ series, where M${}^{3+}$ is a $S$ $=$ 0 cation (M${}^{3+}$ $=$ Al${}^{3+}$, Ga${}^{3+}$, Sc${}^{3+}$, Rh${}^{3+}$), have be…
High-T c superconductors with CuO 2 layers, manganites La 1-x Sr x MnO 3 and cobaltites LaCoO 3 present several mysteries in their physical properties. Most of them are believed to come from the strongly-correlated nature of these materials. From the theoretical viewpoint, there are many hidden rocks in making the con…
Abstract Spark plasma sintering (SPS) of carbon nanotubes based materials to diamond was conducted at a very low pressure in vacuum and argon atmospheres. The phases and microstructures of the sintered samples were analyzed by Synchrotron X‐ray, Raman spectroscopy, and scanning electron microscopy. Diamond phases are…
In this work, a thin, flexible and mechanically stable polymer conducting material (Silk‐Ion Jelly) was developed though application of Ion Jelly on to silk fabrics. Ion Jelly was prepared through jellification of a room temperature ionic liquid, 1‐butyl‐3‐methyl‐imidazolium dicyanamide ([bmim][dca]) using gelatin and…
Nanocomposite foams, based on ethylene vinyl acetate copolymer, were prepared by melt blending of ethylene vinyl acetate with organically modified montmorillonite and at a high curing pressure of the blends. The organically modified montmorillonites were obtained by the modification of montmorillonite with octadecyl t…
Abstract Gold nanoparticle films are prepared using a simple inexpensive spray pyrolysis technique. X‐ray as well as TEM diffraction patterns revealed pure cubic structure. The effect of gold nanoparticle concentration on surface plasmon resonance (SPR) band position and bandwidth are investigated for varying spray so…
The tetrabromobisphenol A epoxy resin (TBBPAER) was synthesized and Octa(aminophenyl) polyhedral oligomeric silsesquioxane (OAP-POSS) was used as a curing reagent of TBBPAER. The cure kinetics, the glass transition temperature, and the flame resistance of OAP-POSS/TBBPAER nanocomposites were investigated. The results…
Abstract The present paper reports on our recent achievements including the photoalignment achieved of liquid crystals (LCs) using amorphous chalcogenide semiconductors (AChS) glassy films and the creation of optically addressed spatial light modulators (OASLMs). The photoalignment in this case is based on the phenome…
CoMo/Al 2 O 3 sour water gas shift catalysts with and without TiO 2 modification have been tested in parallel industrial reactors under lean steam/gas conditions for two years, and part of catalyst samples was taken out each year during the maintenance period. The catalyst samples have been characterized using tempera…