Materials Literature
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Micro/nanoporous ZnO ∶ Al films were fabricated through the pyrolytic transformation of AlCl3-added layered hydroxide zinc acetate (LHZA) self-templates. Formation of the self-templates on glass substrates was achieved on the basis of heterogeneous nucleation and crystal growth that proceeded in a chemical bath compos…
The fabrication and evaluation of solid-state supercapacitors based on a Nafion electrolyte in aqueous and nonaqueous systems are described. The Nafion membrane in a nonaqueous system is impregnated with 30% of phosphoric acid in ethylene glycol and characterized in a supercapacitor configuration by cyclic voltammetry…
The present theory and character for antibacterial materials of silver nanoparticles and its up-to-date application on medical appliances and appliances for daily use were also described.
A hemicarcerand encapsulates, stores and releases gases in the solid state.
The existing evidence for the nature of the phase diagram for the binary system sodium nitrate-potassium nitrate is reviewed and in particular whether the system is of the continuous solid solution type, as has often been stated in the last 80 years, or whether this system is of the eutectic type as was earlier believ…
The synthesis of indaphyrins, novel meso-tetraarylsecochlorin-derived chromophores incorporating o-phenyl-to-beta-linkages, is described. Oxidative diol cleavage of meso-tetraaryl-2,3-dihydroxy-2,3-chlorins results in the formation of a secochlorin bisaldehyde. Depending on the reaction conditions during the ring clea…
One of the advantages of using natural fibers in composites is that they are biodegradable and renewable. Many applications for composites, however, require high performance and durability. While our attention is being drawn to renewable, biodegradable and sustainable resources for materials, we are faced with the con…
Pure samples of H2O (D2O) ice IV and of H2O (D2O) ice XII were prepared by isobaric heating of high-density amorphous ice at a rate of ≈0.5 K min−1 up to ≈175 K and a pressure of 0.81 GPa for ice IV, and at a heating rate of ≈12 K min−1 and a pressure of 1.21 GPa for ice XII. The crystalline phases recovered at 77 K a…
The surface energies and electronic structure of (111), (110), and (100) surfaces of CeO2 have been studied using the first-principles projector augmented-wave method within the local density approximation (LDA) and generalized gradient approximation (GGA) and are compared with molecular dynamics (MD) simulations at 1…
The effect of an applied tensile stress on the pore ordering during anodization of aluminum was studied. A regular arrangement of nanopores was observed at a relatively low external tensile stress. On the contrary, a high tensile stress completely destroys the pore arrangement on anodized surfaces. Under such conditio…
New push-pull NLO-phores based on lanthanide complexes (Ln = La, Gd, Dy, Yb) featuring an annelated dibutylaminophenyl functionalised terpyridyl ligand have been synthesised and shown to exhibit large first-order hyperpolarizability.
Exfoliated graphite (EG) is proposed as an electrode material for solid-state electrochemical capacitors. The EG-based capacitors assembled with a solid electrolyte of polyethylene oxide-ethylene carbonate-propylene carbonate- show high specific capacitance in the range of The capacitors also show excellent cyclabilit…
We have developed a shell model potential to describe PbTiO3 and PbMg1/3Nb2/3O3 (PMN) by fitting to first-principles results. At zero pressure, the model reproduces the temperature behavior of PbTiO3, but with a smaller transition temperature than experimentally observed. We then fit a shell model potential for the co…
Highly active Au-containing hopcalite catalysts for ambient temperature CO oxidation have been prepared by a co-precipitation procedure. The addition of Au to the CuO–MnO system resulted in a marked improvement in the catalytic performance, by increasing the rate of CO oxidation and decreasing the extent of catalyst d…
The magnetoelectric effect in multilayer ferrite-piezoelectric composites has been theoretically and experimentally studied. Using the method of effective parameters, an expression for the magnetoelectric coefficient is determined and its frequency dependence is analyzed. It is shown that, in the region of electromech…
Three kinds of titanium-molybdenum alloy, Ti-8Mo, Ti-14Mo and Ti-20Mo (mass%), quenched from 1223 K were investigated to clarify the tensile behavior and the cold workability using tensile test and conical cup test. In the quenched state Ti-14Mo showed the superior workability. Ti-20Mo has poor ductility in tensile te…
A new form of carbon nanofiber web was prepared that is considered to be a suitable material for the electrode of a supercapacitor exhibiting high capacitance. A polybenzimidazol/dimethyl acetamide solution was electrospun, and subsequently the web was steam activated at 700-900°C. The specific capacitance of the acti…
Water-soluble and neutral Ln(III) and Zn (II) complexes of pyridine- and (pyridine-1-oxide)tetrazole have been synthesized and the Gd derivatives have great potential as high-relaxivity low-osmolarity MRI contrast agents.
Comfort characteristics of plain-woven fabrics, containing viscose staple fiber twist-less and hollow fibrous assemblies and core-sheath type DREF-III yarn in weft, have been reported in the present paper. The twist-less and hollow fibrous assemblies are the individually separated parallel core and annular sheath comp…
We have investigated magnetic field-induced strain (MFIS) associated with rearrangement of martensite variants and its corresponding magnetization process in a disordered Fe-31.2Pd(at%) single crystal and an ordered Fe3Pt single crystal, exhibiting a cubic to tetragonal martensitic transformation at 230 K and 85 K, re…