Materials Literature
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A quick cooling of coatings for the forming of the electrolyte layers with the given phase composition is widely used. In this work the preliminary heating of the specimens was applied instead of quick cooling technology. The influence of the substrate preliminary heating on the ZrO2 – Y2O3 coatings structure and prop…
Wydawnictwo SIGMA-NOT wydaje czasopisma fachowe informujące swoich czytelników o najnowszych osiągnięciach naukowych i nowoczesnych rozwiązaniach technicznych w Polsce i na świecie, popularyzuje problemy techniczne oraz poszerza wiedzę i kulturę techniczną.
Three experimental polyoxyethylene sorbitan monolaurate derivatives were synthesized with molecular fingerprinting techniques applied to experimental materials, confirming the target compounds had been produced. Chemical property measurements were compiled that aligned with theoretical predictions and physical propert…
Photoinduced melting of the spin-Peierls phase was investigated in Na-tetracyanoquinodimethane by pump-probe reflection spectroscopy with a time resolution of 49 fs. Photoirradiation generates coherent molecular oscillation, which indicates that the spin-Peierls dimerization decreased. Increasing the excitation photon…
Wydawnictwo SIGMA-NOT wydaje czasopisma fachowe informujące swoich czytelników o najnowszych osiągnięciach naukowych i nowoczesnych rozwiązaniach technicznych w Polsce i na świecie, popularyzuje problemy techniczne oraz poszerza wiedzę i kulturę techniczną.
Iridium di-telluride (IrTe2) belongs to the family of transition metal dichalcogenides (TMD), but it distinguishes from the traditional TMDs due to the existence of multi-step single-q charge-density wave like phase transitions. Despite of intensive studies, there is still no consensus on the physical origin of the st…
Dendrocalamus asper also known as ‘Sweet Bamboo’ is the most widely accepted species globally for edible shoots. The prospects of cultivation of D.asper in humid tropics and semiarid conditions of peninsular India was assessed using various financial indicators and through quantitative and qualitative analysis of juve…
In the present work the application of acoustic emission technique has been proposed as a tool for the evaluation of corrosion processes occurring under SCC conditions on prestressing steel strands. To simulate the possible corrosive environment under service conditions experimental tests were performed with different…
Abstract Hydrothermal reactions of Cd(OAc)2·2H2O with 1,2‐naphthalic anhydride in the absence/presence of different rigid/flexible bis(pyridyl) co‐ligands, produce three distinct coordination polymers, namely [Cd(ndc)]n (1), {[Cd5(ndc)4(bpp)2(OH)2](H2O)4}n (2), and [Cd5(ndc)4(bpy)2(OH)2]n (3) [ndc = 1,2‐naphthalenedic…
This study investigates the interface between the active layer and contacts in organic photovoltaics (OPVs) since the contact materials strongly affect the energy barrier at the interfaces. The interfacial characteristics are simply defined as a resistance-capacitance (R-C) shunt pair and extracted by fitting the impe…
Wydawnictwo SIGMA-NOT wydaje czasopisma fachowe informujące swoich czytelników o najnowszych osiągnięciach naukowych i nowoczesnych rozwiązaniach technicznych w Polsce i na świecie, popularyzuje problemy techniczne oraz poszerza wiedzę i kulturę techniczną.
Luminescent cholesteric liquid crystalline polymers consisting of the lanthanide ions covalently attached to cholesteric polysiloxanes are prepared. Cholesteric liquid crystalline monomer and 4-(allyloxy)benzoic acid grafted to poly(methylhydrogeno)siloxane is used as one of the precursors for the preparation of the l…
Ceramics and amorphous thin films based on gallium sulphide doped by rare-earth sulphides, Popescu, M, Sava, F, Lőrinczi, A, Velea, A, Simandan, I D, Badica, P, Burdusel, M, Galca, A C, Matei, E, Preda, N, Secu, M, Socol, G, Jipa, F, Zamfirescu, M, Balan, A
Magnetic properties of melt spun Co82−xHf12+xB6 ribbons made with various wheel speeds have been studied. The ribbons with x = 0–1 are not easy to crystallize and thus display soft magnetic behavior even at wheel speed of 10 m/s. In contrast, the ribbons with x = 1.5–4 at optimized wheel speed exhibit good permanent m…
Abstract Specific Pd‐based organometallic complex, in particular the [Pd(η1‐CH2CH=CH2)(PNP’)]BF4 was used for the assembly of chemically modified Screen Printed Electrodes (SPEs) and their electrochemical reactivity was also investigated. For this purpose potassium ferricyanide, hexaammineruthenium(III) chloride, s…
We have studied the plasmonic properties of aperiodic arrays of identical nanoparticles (NPs) formed by two opposite and equal graded-chains (a chain where interactions change gradually). We found that these arrays concentrate the external electromagnetic fields even in the long wavelength limit. The phenomenon was un…
Wydawnictwo SIGMA-NOT wydaje czasopisma fachowe informujące swoich czytelników o najnowszych osiągnięciach naukowych i nowoczesnych rozwiązaniach technicznych w Polsce i na świecie, popularyzuje problemy techniczne oraz poszerza wiedzę i kulturę techniczną.
The present work reports on the effect of chloride concentration on the repassivation behavior of commercial aluminum alloys Al 5754-H111, Al 5083-H111, Al 2024-T3 and Al 7075-T6. Characteristic parameters of pitting and repassivation processes were determined from single cycle anodic polarization curves recorded in d…
This paper presents the recent trends in the mechanical characterization of composite materials with different fillers materials to make it a hybrid composite.
Abstract Clogging of the filtration membranes is one of the main problems in the process of obtaining grape must for white wine; therefore, clogging must be reduced to the maximum. The aim of this work was to find the optimal values of the temperature, time and enzyme solution concentration variables to know the best…