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356 results:

Size effect on optical and photocatalytic properties in BiFeO3 nanoparticles
Date: 16-03-16 

…In this work we study the influence of grain and particle size on the structural and optical properties of BiFeO3 (BFO) nanoparticles and the resulting photocatalytic activity. Unexpectedly, the photocatalytic activity…

An intuitive computational multi-scale methodology and tool for the dynamic modelling of viscoelastic composites and structures
Date: 16-03-16 

… homogenisation procedure and tool for the estimation of the effective static and mechanical properties of complex viscoelastic composite material and structures. The proposed solution consists in…

Chemistry of surface nanostructures in lead precursor-rich PbZr0.52Ti0.48O3 sol-gel films
Date: 02-03-16 

… discontinuous layer of wide band gap ZrO1.82−1.89 could be of importance in determining the electrical properties of PZT-based metal-insulator-metal heterostructures. Applied Surface Science, vol. 363, pp. 21-28,…

Compatibilization of co-plasticized cellulose acetate/water soluble polymers blends by reactive extrusion
Date: 22-02-16 

… of this biopolymer. Plasticized PVOH-based blends proved to exhibit better processability and properties. The prepared blends were characterized in terms of morphology and thermo-mechanical properties.…

Orientation-dependence of thermal depolarization and phase development in Bi1/2Na1/2TiO3-BaTiO3 single crystals
Date: 18-02-16 

…The direction-dependence of pyroelectric properties of (1 − x)Bi1/2Na1/2TiO3 − xBaTiO3 (BNT − 100xBT) is investigated, using single crystal samples with well-defined orientations for x = 0.036 and x = 0.063. The results…

Compositional and physicochemical factors governing the viability of Lactobacillus rhamnosus GG embedded in starch-protein based edible films
Date: 19-01-16 

… in foods. In the present work, the impact of the compositional, physicochemical and structural properties of binary starch-protein edible films on Lactobacillus rhamnosus GG viability and stability was…

Two competing reactions of tetrabutylammonium alginate in organic solvents: Amidation versus γ-lactone synthesis
Date: 19-01-16 

…Biocompatibility and thickening properties predetermine alginates as ingredients in food, cosmetic and pharmaceutical products. Further chemical modifications are often desired for a product optimization. The…

Electrical phase diagram of bulk BiFeO3
Date: 04-01-16 

… field along a variety of structural paths, and by monitoring the evolution of the relevant physical properties of the crystal along the way. We find a complex interplay of ferroelectric, antiferroelectric, and…

ZnO and Al doped ZnO thin films deposited by Spray Plasma: Effect of the growth time and Al doping on microstructural, optical and electrical properties
Date: 22-12-15 

… used as Zn and Al precursors, respectively. The effect of the growth time on structural and optical properties of undoped films is studied by X-ray diffraction, atomic force microscopy, and UV–Vis…

Random forest for toxicity of chemical emissions: Features selection and uncertainty quantification
Date: 27-11-15 

… different environmental multimedia models exist, but in any case a vast amount of data on the properties of the chemical compounds being assessed is required. This paper deals with the selection of…