Materials Literature
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A systematic study of the molecular and supramolecular structural features of fluorinated paraffins has been conducted with the use of a set of physical methods and quantum-chemical calculations of the parameters of the IR and NMR spectra. The presence of nonuniformity in the morphological structures of samples obtain…
A hypothesis proposed for semicrystalline polymers as metastable, microheterogenous, three-dimensionally structured liquids with crystallites as grid sites is developed. The phase diagram of the isotactic polypropylene (PP)-dibutyl phthalate system obtained via this approach is discussed in detail. Additional argument…
This study presents the fabrication and investigation of flexible photo-thermo electrochemical cells based on Cu/orange dye aqueous solution/Cu. The cell consists of flexible polymer tube casing and Cu electrodes. The polymer casing is filled with 5 wt.% aqueous solution of orange dye, which is an organic semiconducto…
The back contact electrode with molybdenum (Mo) thin film is crucial to the performance of Cu(In, Ga)Se2 solar cells. In this research, Mo thin films were fabricated by direct current sputtering to attain low-resistivity molybdenum films on soda-lime glass substrates with good adhesion. The films were sputtered onto s…
Tin-containing nanocrystals, embedded in silicon, have been fabricated by growing an epitaxial layer of Si1−x−ySnxCy, where x = 1.6 % and y = 0.04 % on a silicon substrate, followed by annealing at various temperatures ranging from 650 ∘C to 900 ∘C. The nanocrystal density and average diameters are determined by scann…
In this study, Ni52Ti47.7Re0.3 shape memory alloy was subjected to solution treatment at 1000 °C for 24h (the tested alloy), followed by ageing at 300, 400, 500 and 600 °C for 3h. The objective is to investigate the effect of ageing temperature on the uniform and pitting corrosion characteristics of Ni52Ti47.7Re0.3 al…
Low-temperature CO oxidation mechanisms were investigated for size-selected Au nanoparticle catalyst and water-treated Pt/FeOx–Al2O3 catalyst. Both catalysts had high CO oxidation activity even below room temperature. Interestingly, CO oxidations over these catalysts involved important contributions from the metal–oxi…
Abstract C 25 H 64 Ge 9 K 3 N 9 O 6 , triclinic, P1̅ (no. 2), a = 9.3766(7) A, b = 13.540(1) A, c = 19.507(1) A, α = 84.527(3)°, β = 81.252(3)°, γ = 80.127(4)°, V = 2405.4 A 3 , Z = 2, R gt (F) = 0.0405, wR ref (F 2 ) = 0.1050, T = 123 K.
Self‐ordered anodised aluminium oxide membranes can be used as a base for the growth of different nanoarrays. In this reported work, an efficient and effective method is implemented to fabricate highly ordered alumina nanowires (ANWs) covered with a uniform shell of 12 ± 2 nm Sn nanoparticles (Sn/ANWs). A two‐step ano…
The comparative morphological characteristics of fragilaroid diatoms of genus Hannaea from lakes Baikal and Khubsugul, based on the results of light and electron microscopy, as well as new data on the study of type material H. baicalensis in a light microscope, are shown. New species H. hovsgolensis Vishnjakov, Kuliko…
Objective(s):Despite of wide range applications of polymeric nanoparticles in protein delivery, there are some problems for the field of protein entrapment, initial burst and controlled release profile. Materials and Methods: In this study, we investigated the influence of some changes in PLGA nanoparticles formulation…
The distribution and the microstructure of carbides and pearlite, orientation relationships of pearlitic component phase in 100Mn13 steel by solution treatment at 1050 °C and aging treatment at 525 °C were investigated by optical microscope and transmission electron microscope. The results show that there is a large n…
Inhibition of copper corrosion in 0.1 mol dm-3 Na2SO4 solution (pH 3) by two thiazole derivatives of 5-(5'-methylfurfurylidene-2')-2,4-dioxotetrahydro-1,3-thiazole (MFDT) and 2-thiono-5-(4'-ethoxybenzylidene)-4-oxotetrahydro-1,3-thiazole (TEBOT) was studied by weight loss and potentiostatic polarization measurements.…
This paper presents the combination technique in developing the woven kenaf fiber that is used as a new method to improve energy absorption performance. This method focuses on the effect energy absorption of angle orientation. Due to the low density, natural fiber such as kenaf fiber provides comparatively good mechan…
Titanium alloys present favorable properties to industry applications that depend on their composition and microstructure. Adding alloy elements and thermomechanical treatments can change the microstructure of titanium alloys. In this paper, Ti-15Zr alloys with different molybdenum quantities were prepared and hot-rol…
A study of crystalline structure, magnetic and magnetocaloric properties of Dy(Co 1- х Fe х ) 2 (х = 0.10, 0.15) intermetallic compounds was undertaken. Phase composition was controlled by X-ray diffraction analysis. Magnetic properties were measured with a help of SQUID magnetometer in magnetic fields up to 7 Т in th…
The intelligent systems of smart textile should contain flexible electronics, for example, sewn or stitched textile elements that function as conductive traces, sensor elements, electrodes or switches. The experiments for development of sewn touch and push switches are performed. For this reason silver coated multifil…
In this work we report the results of investigation of the magnetocaloric effect in Gd 100- x Y x ( x = 0, 5, 10, 15) cold rolled ribbons. It is shown that the magnetocaloric effect exists within a wide temperature interval 258-295 K and it is comparable with the magnetocaloric effect observed in bulk samples of pure…
In this paper, the microstructural and textural characteristics of a series of nanocrystalline CeZrFeO2 (CZF) loaded with different concentration of Fe were reported. Nanocrystalline CZF was synthesized at room temperature using water-in-oil microemulsion method. The microstructure and textural properties of CZF nanoc…
Utilization of flyash which is produced at large scale in coal based thermal power plant is a challenge. In this regard, our investigation provides distinctive way of utilizing flyash for designing and preparing high-performance EMI shielding materials. Herein, we report synthesis and characterization of multiwalled c…