Materials Literature
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The present study involves the fabrication of CH and CH-Ag hydrogel beads and the investigation of the antimicrobial properties. The beads were fabricated using a simple coacervation method. The successfully synthesized beads were characterized by UV-Vis and FTIR. The surface morphology, shape and diameter of the samp…
Two series of benzoxazines were synthesized from o-, m-, and p-methoxyphenols, two polyetheramines with different molecular weights, and formaldehyde. The glass transition temperatures (Tgs) of m-methoxyphenol-based polybenzoxazines are respectively higher than those of o- and p-methoxyphenol-based counterparts. The p…
The present article reports the growth mechanism of zinc oxide (ZnO) nanowires grown on silicon substrate pre-coated with ZnO buffer layer by thermal evaporation method. ZnO nanowires are grown for different growth time of 0, 30, 90 and 120 mins with controlled supply of Ar and O2 gas at 650 °C. The structural, morpho…
A single layer of BiFeO3 (BFO)/epoxy resin composite with thickness of 3 mm was fabricated by polymerized 70 wt% of sintered BFO as fillers and 30 wt% of epoxy resin polymer as matrix. The electromagnetic and the microwave absorption properties of BFO/epoxy resin composite were reported. The reflection loss (RL) of th…
The activated carbon produced from oil palm empty fruit bunches (ACEFB) shows good properties to act as a dispersing agent in the synthesis of BCZY ceramic material. However, the untreated ACEFB (u-ACEFB) shows some impurities still present after calcination. Thus, it has to be functionalized (f-ACEFB) by using chemic…
Abstract The physical and chemical properties of typical nitrate energetic materials under hydrostatic compression and uniaxial compression were studied using the ReaxFF/lg force field combined with the molecular dynamics simulation method. Under hydrostatic compression, the P–V curve and the bulk modulus (B0) obtaine…
Caesium propanoate monohydrate, Cs+·C3H5O2−·H2O, is composed of two symmetry-independent Cs+cations, which are situated on the special position 4eof space groupP\overline421m, one symmetry-independent propanoate molecule in a general position and a pair of water molecules also situated on special position 4e. Two pair…
A new morphogenetic strategy was developed to realize continuously modulated and reprogrammable three-dimensional shape transitions by fully exploring the potential of macromolecular conformational modulations. Geometric information was defined in the planar shape memory polymeric sheets through the application of spa…
Abstract An analytical model is proposed to evaluate the nodal force induced by a segment of dislocation upon an arbitrary shaped triangular element. This calculation is required in hybrid methods that associate dislocation dynamics to boundary or finite element to solve simultaneously the evolution of large ensembles…
Job's tears (Coix lacryma-jobi) stalk was used as a possible raw material for particleboard. A urea-formaldehyde (UF) resin was synthesised in the laboratory with resin solids at 50% content as a particleboard binder. The physical characteristics of the synthesised UF resin were analysed for solids content, specific g…
Four dendrimeric hexa- or nona-dentate Schiff base ligands based on triazine structure and several lithium and vanadium(IV) complexes with these ligands were synthesized and characterized by elemental analysis, 1H NMR and IR spectra. The synthetic methods are described, and we paid special attention to the need to use…
The effect of Cr and Ni substitution on electrochemical performance of layered LiCo0.9M0.1O2 (M=Cr and Ni) has been investigated. Partial substituted of LiCo0.9Cr0.1O2 and LiCo0.9Ni0.1O2 has been synthesized using a self-propagating combustion (SPC) method with annealing temperature of 700 ̊ C for 24 h. The starting m…
The aggregation behaviors of Basic Red 46 in water, water/dimethylacetamide (water/DMAc), and water/DMAc/NaCl were investigated by both a Transmission Electron Microscope and a laser particle size analyzer. The corresponding electric conductivity of the dyeing solution and surface zeta potential of dye aggregates usin…
Particleboard was produced by mixing oil heat-treated rubberwood particles at different ratios, with the goal of achieving high dimensional stability. Rubberwood particles were soaked in palm oil for 2 h and heat treated at 200 °C for 2 h. The treated particles were soaked in boiling water for 30 min to remove oil and…
Metasurfaces with unparalleled controllability of light have shown great potential to revolutionize conventional optics. However, they mainly require external light excitation, which makes it difficult to fully integrate them on-chip. On the other hand, integrated photonics enables packing optical components densely o…
Three electrochemical double layer capacitor (EDLC) cells (Cell X, Y and Z) made from an electrode of 90 wt. % of the multiwalled commercial carbon nanotubes, 10 wt. % of poly (vinylidene fluoride-co-hexafluoropropylene) and three different samples of electrolytes polymer electrolyte made up of a compositions of 50:50…
This article reports on the role of potassium (K) as dopant in Cu2ZnSn (S,Se)4, CZTSSe thin film in context of optical properties. Thin film precursor solution is prepared in dimethyl sulfoxide (DMSO) solvent, and doped by K with six different concentrations. The prepared solution are deposited on heated soda lime gla…
Perovskite manganites have always been the research interest attributed to its intriguing colossal magnetoresistive (CMR) properties. Incorporation of an insulating secondary phase into the manganite composites has proven as an effective measure to enhance the low field magnetoresistance (LFMR). This paper reports the…
Ultra-high voltage electron microscopy is useful for research utilizing high-penetration thickness of electron beam, in situ observation, or irradiation effects by the particle characteristics of electrons. In this review, the importance of non-equilibrium materials science research by a combination with irradiation e…
Reaction of the tungsto‐antimonate [Sb8W36O132]24– polyoxometalate with late trivalent lanthanide cations (from Gd to Lu) gives rise to the formation of eight isostructural molecular compounds [{Sb3(µ3‐O)2Ln(H2O)Ln(H2O)2(SbW10O37)(SbW8O31)}2]22– (Ln = GdIII (1), TbIII (2), DyIII (3), HoIII (4), ErIII (5), TmIII (6), Y…