Showing papers in "Materials Chemistry and Physics in 2012"

TL;DR: In this article, the phase formation for multi-component alloys has been predicted by calculating parameters Ω and δ for typical multichamber alloys reported, where Ω is defined as a parameter of the entropy of mixing timing the average melting temperature of the elements over the enthalpy of mixing, δ is the mean square deviation of the atomic size of elements.

TL;DR: In this paper, the cubic fluorite structure of ceria was confirmed by XRD and the total concentration of oxygen vacancies that are present in the ceria nanocrystallites is calculated to be 1.234 × 10 20 ǫ cm −3.

TL;DR: In this paper, the nano-sized zinc oxide-graphene oxide (ZnO-GO) hybrid has been prepared by using GO dispersed in the ethanol as carrier, zinc acetate dihydrate and lithium hydroxide monohydrate as reactant.

TL;DR: In this paper, the electrical transport properties of graphene-oxide (GO) thin films were investigated using a modified Hummers method and characterized by X-ray diffraction and UV-visible spectroscopy.

TL;DR: In this article, the electromagnetic properties and microwave absorption of a series of ordered mesoporous carbon from different carbonization temperatures are investigated, and it is concluded that the degree of graphitization is the primary factor affecting the microwave absorbing properties of carbon materials.

TL;DR: In this paper, MnFe2O4/activated carbon magnetic composites with mass ratio of 1:1.5 and 1:2 were synthesized using a simple chemical coprecipitation procedure.

TL;DR: In this paper, Cubic Li 6.25 La 3 Zr 2 Ga 0.25 O 12 powders were prepared from co-precipitated nitrate precursor and consolidated by hot-pressing to a relative density of ∼91%.

TL;DR: In this article, the removal behaviors of Cu(II) and Pb(II)-Ions onto GNS/MnO 2 adsorbent were investigated under various conditions including contact time and initial metal concentrations, and surface interactions involved in the adsorption process and regeneration were also explored.

TL;DR: In this paper, an energy efficient method for the synthesis of superparamagnetic ferrite (Fe 3 O 4 ) nanoparticles (10-40nm) and their annealing effect on the morphology, size, curie temperature and magnetic behavior at 50, 300, 400 and 500 Â c.

TL;DR: In this article, the frequency dependence of dielectric and electric modulus as well as morphological characteristics of poly (∆-caprolactone) (PCL)-ammonium thiocyanate (NH 4 SCN) polymer electrolyte are investigated.

TL;DR: In this article, the electronic and optical properties of 1 H -MoS 2 have been calculated and compared with existing experimental results. But the results are in very good agreement with experimental results and the results of the calculated results are also consistent with the theoretical results.

TL;DR: In this article, Basalt fiber reinforced poly(butylene succinate) (PBS) composites have been fabricated with different fiber contents by a injection molding method and their tensile, flexural and impact properties, as well as thermal stability have been investigated.

TL;DR: In this paper, a colorless and organo-soluble polyimide (PI) films have been synthesized from an alicyclic dianhydride BCDA and aromatic diamine 3,4′-ODA in the cosolvent of DMAc and GBL via one-step process.

TL;DR: In this paper, the effect of the extract of Punica granatum (PG) and their main constituents involve ellagic acid (EA) and tannic acid (TA), as mild steel corrosion inhibitor in 2M HCl and 1M H2SO4 solutions was investigated by weight loss measurements.

TL;DR: In this paper, the existence of single phase cubic spinel structure of polycrystalline ferrites was confirmed from XRD measurement, and the small polaron hoping type of conduction mechanism was inferred from the linear increase of ac conductivity.

TL;DR: A series of polystyrene graft-PEG 6000 copolymers were synthesized as new kinds of polymeric solid-solid phase change materials (SSPCMs) as discussed by the authors.

TL;DR: In this paper, the macroscopic magnetic and dielectric response of composite films of poly(vinylidene fluoride) and CoFe2O4/PVDF was investigated.

TL;DR: In this paper, a 3D graphene-polyaniline (PANI) hybrid was shown to have high specific capacitances (346 Fg−1 at a discharge current density of 4 Ag−1).

TL;DR: Ionic substitutions have been proposed as a tool to improve the properties of hydroxyapatite (HA) Zinc and carbonate co-substituted HA have been synthesized by precipitation method and characterized by XRD, FT-IR, XRF, FESEM and TEM as discussed by the authors.

TL;DR: In this paper, an intumescent flame retardant, poly(piperazine spirocyclic pentaerythritol bisphosphonate) (PPSPB), has been covalently grafted onto the surfaces of graphene oxide (GO) to obtain PPSPB and according nanocomposites were prepared via solvent blending.

TL;DR: Eu 3+, Sm 3+ and Tb 3+ ions have been incorporated into anatase TiO 2 nanocrystals via hydrolytic sol-gel method.

TL;DR: In this article, polythiophene (PTh) was electropolymerized onto multi-walled carbon nanotubes (MWCNT) modified glassy carbon (GC) electrode in ionic liquid bmimPF6 solution successfully.

TL;DR: In this paper, a series of hard carbons with different porous structure are prepared and tested for an anode of lithium ion batteries, and the results of charge-discharge tests and diffusion coefficients show that the electrochemical behavior is strongly dependent on the porous texture of carbons.

TL;DR: In this paper, the typical organic corrosion inhibitors (molecules that have the ability to remarkably slow down the corrosion of metals and alloys)interact with bare surfaces of various types of metals.

TL;DR: In this paper, the morphology and microsctructure of layered graphene nanosheets/polyvinylidene fluoride (GNS/PVDF) nanocomposites fabricated by a facile and effective process are investigated.

TL;DR: In this paper, the location of dopant ions and the effect of doping level on the photocatalytic activity have been investigated on Co-doped ZnO nanopowders.

TL;DR: In this article, a novel flame retardant polyvinyl alcohol (PVA)/melamine polyphosphate (MPP)-graphene nanocomposite has been prepared by solvent blending.

TL;DR: In this paper, different amounts of Co-doped TiO2 powders and thin films were prepared by following a conventional co-precipitation and sol-gel dip coating technique, respectively.

TL;DR: In this paper, the structural, optical and etching properties of grown gallium oxide films were investigated in terms of high resolution X-ray diffraction, optical transmittance, atomic force microscopy, and Xray photoelectron spectroscopy.

TL;DR: In this paper, the vibrational modes observed in amorphous Ge-Sb-Te films are attributed, apart from defective octahedral coordination, to GeTe 4− n Ge n ( n ǫ = 1, 2, eventually 0) corner-and/or edge-sharing tetrahedra and SbTe 3 pyramidal entities, the latter dominated Raman spectra of all the films containing Sb 2 Te 3.