Materials Literature
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Ceramic samples of 0.36BiScO 3 · 0.64PbTiO 3 morphotropic phase boundary solid solutions modified with low-melting additives (bismuth, nickel, and manganese oxides and lithium fluoride; < 5 wt %) have been prepared by solid-state reactions, and the phase formation, microstructure, and dielectric properties of the cera…
H 2 S retards H 2 transport across Pd membranes used for H 2 separation by forming a Pd 4 S scale that has both low H 2 dissociation activity and low H-atom permeability. As hydrogen purification membranes, alloys such as Pd 70 Cu 30 and Pd 47 Cu 53 are attractive alternatives to pure Pd due to their resistance to for…
Abstract A simple and versatile synthesis method was developed to prepare inorganic multi‐metal oxide hollow spheres with tunable compositions. The colloidal nanosheets of layered double hydroxides (LDH) with pre‐determined compositions were used as precursors for multi‐metal oxides and carbon spheres (CSs) prepared b…
Abstract Cellulose is a well‐known versatile polymer that presents a wide range of material properties via the substitution and grafting reactions of its hydroxyl groups. Because of their commercial potential, combinations of cellulose and vinyl polymers have been examined with various grafting methods. In this study,…
We have experimentally investigated the dispersion of the third order optical susceptibility χ(3) of silver nanoparticles embedded in silica glass in the vicinity of the surface plasmon resonance. The dispersion of the real and imaginary parts of the effective third order optical susceptibility χeff(3) was…
The biocompatibility of chitosan and chitosan quaternary salt coatings was evaluated for use as edible coatings for sliced apple. Measurement of water loss, color change, and fungal growth appearance were monitored as a function of time. A significant brownish effect was observed on chitosan coated slices, varying gre…
We have investigated thermodynamic properties of ion gels consisting of a PMMA [poly(methyl methacrylate)] network and EMITFSI [1-ethyl-3-methylimidazolium bis(trifluoromethanesulfonyl)imide] ionic liquid by means of an adiabatic calorimeter. The heat capacity data were measured in the temperature range between 5 and…
Abstract A series of bicyclic bis( γ ‐butyrolactone)s (BBL) bearing sulfide moiety 2 were readily synthesized from a precursor BBL bearing isopropenyl group 1. This efficient and versatile synthesis of 2 was achieved by a highly reliable radical addition reaction of thiols to the C‐C double bond in the isopropenyl gro…
An in situ observation of the precipitation of γ-Mg17Al12 phase in a die-cast Mg–Al–Zn–Sn alloy was performed using a transmission electron microscope equipped with a heating stage maintained at 403 K for 100 min. The addition of a small amount of Sn to the AZ91 system accelerates the development of the γ-Mg17Al12 pha…
Two cationic surfactants ( N-isopropyl- N, N-dimethyldodecan-1-aminium bromide (S 1 ) and N-isopropyl- N, N-dimethylhexadecan-1-aminium bromide (S 2 )) are synthesized. The chemical structure of the synthesized surfactants was confirmed by Fourier transform infrared (FTIR) and 1 H Nuclear magnetic resonance spectrosco…
Abstract The discovery of a 26 K superconductivity in the tetragonal iron‐based pnictide LaFeAsO 1 − x F x ( x = 0.05–0.12) has stimulated a tremendous search for superconductivity in a wide class of materials with similar structure. Beside superconductivity, promising thermoelectric properties have been discovered in…
Abstract A new family of ethylene‐based copolymers with controlled amounts of a norbornene comonomer (N ArOH ) bearing a stabilizing antioxidant functionality (2,6‐di‐ tert ‐butyl phenol) was prepared. Due to unavoidable exo / endo equilibrium operative in N ArOH comonomer, a complete and detailed NMR assignment of th…
Acid-soluble collagen (ASC) was isolated from Pacific cod (Gadus macrocephalus) bone. The ASC was rich in glycine. The amount of imino acid was lower than that of calf skin collagen, as was the transition temperature (48.6°C). Electrophoresis revealed two different α chains (α1 and α2), β-component, and γ-component. F…
The epicuticle is the outermost layer of the human hair, and consists of a monolayer of fatty acids that is predominantly 18-methyleicosanoic acid (18-MEA) covalently bound to a protein matrix. Surprisingly, despite the clear scientific and industrial importance, the detailed molecular structure of this fatty acid lay…
This paper presents the investigation of sorption and mechanical properties of single flax fibers (fiber bundle) cross-linked with polycarboxylic acids (PCA; citric acid [CA] and 1, 2, 3, 4-butanetetracarboxylic acid [BTCA]). The improvement of the chemical modification performance was carried out by pre-treating of t…
The photoconductive properties of nanocrystal solids have so far been described by an empirical model based on phenomenological parameters such as sheet resistance and voltage barrier or by a microscopic approach that considered the local exciton ionization but disregarded the transport pathway needed to harvest the c…
Here, double-pattern textured gallium doped zinc oxide (GZO) films were achieved by inserting organosilicon underlayers deposited from an atmospheric pressure plasma jet (APPJ) between sputtered GZO films and glass substrates. The electro-optical characteristics of the textured GZO films were controlled by the haze of…
We demonstrate the distinctive optical properties of disordered nanostructures on glass substrates in accordance with changes in the average size of the nanostructures. Dissimilar sizes of nanostructures were fabricated by using different thicknesses of thermally dewetted Ag nanoparticles as etch masks. Unlike a flat…
The formation mechanism, phase stability, optical and magnetodielectric properties of new cubic MgMnO3 bulk and nano-crystals are reported. The diffuse reflectance spectroscopy of this compound shows a ligand-to-metal charge transfer transition p[O2−]→eg[Mg2+] at 4 eV and the lowest spin allowed metal-to-metal transit…
Hyperbranched polyether polyols were synthesized by polymerization of glycidol and propylene oxide catalyzed by double metal cyanide catalyst for the first time. Tri-(2-hydroxyethyl) isocyanurate was used as initiator for the polymerization. The molecular structure and the degree of branching were measured by infrared…