Materials Literature
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Bacterial are highly transmitted in our environment and have been identified as a primary contributor to the problem of indoor air quality and consequently lead to the illness of the occupants. Recently, nanotechnology represents an innovative approach to develop new formulations based on metallic nanoparticles with a…
NO x reduction by low temperature oxidation using ozone produced by a dielectric barrier discharge generator is investigated for different process parameters in a 6 m long reactor in serpentine arrangement using synthetic dry flue gas with NO x levels below 500 ppm, flows up to 50 slm and temperatures up to 80 °C. The…
Cu interconnects are used in semiconductor devices and their dimensions are downscaled markedly. Cu interconnects are fabricated by a damascene process, and it becomes difficult to fill Cu into trenches and vias structures by electroplating below the 20 nm feature size. We evaluated the process integration for Cu inte…
We report the experimental results on the magnetism of curvature-induced helical carbon nanotubes (HCNTs). It is demonstrated that without any magnetic impurities in the sample, the as-prepared HCNTs show clear ferromagnetism with a Curie point as high as 970 K.
In this work, the comparison effect of mica and talc as filler in EPDM composites on curing, tensile, thermal properties was studied. EPDM/mineral fillers composites were compounded using two roll mill at various filler loading (i.e., 100/0, 100/10, 100/15, 100/30, 100/50, 100/70) and curing characteristics were carri…
Solid polymer blend electrolyte system is formed using polyvinyl alcohol (PVA) and polyethylene oxide (PEO) as the host polymers. The blend films are plasticized using poly ethylene glycol (PEG) and doped with silver nitrate (AgNO3) salt. Aluminum oxide (alumina) (Al2O3) is used as nano-filler in the preparation of th…
Fourteen bis(citrato)germanates(IV) and bis(citrato)stannates(IV) were prepared, in particular, [M(H 2 O) 6 ][Ge(HCit) 2 ] · 4H 2 O (M = Mg ( I ), Mn ( II ), Fe ( III ), Co ( IV ), Ni ( V ), Cu ( VI ), Zn ( VII )) and [M(H 2 O) 6 ][Sn(HCit) 2 ] · n H 2 O (M = Mg, n = 4 ( VIII ); Mn, n = 2 ( IX ); Fe, n = 4 ( X ); Co,…
A three-electrode system was developed and employed to investigate the initial corrosion of pure zinc under a NaCl electrolyte droplet by using potentiodynamic polarisation and electrochemical impedance spectroscopy. The configuration of this proposed electrode system can minimise resistance polarisation. Thus, it can…
The properties of glutenin allow it to be a potential substrate for biomaterial production. In the present study, composite nanofiber was fabricated from polyvinyl alcohol (PVA) and glutenin based on the synergy of them. In the composite nanofiber, glutenin and PVA act as elasticizer and skeleton polymer, respectively…
The formation of metal or metal-oxide nanoparticles from four different precursor systems, including palladium(II) acetate, zinc(II) acetate, their 1: 1 mechanical mixture and the palladium-zinc bimetallic acetate complex PdZn(OCOMe) 4 (H 2 O), upon heating in a He + 5% H 2 atmosphere is studied using the X-ray diffra…
The corrosion of pure copper in sulfide-containing aqueous solutions that are typical of crystalline rock repositories in Sweden and Finland for the isolation of High Level Nuclear Waste has been studied using potentiostatic and potentiodynamic polarization, Mott-Schottky analysis, and electrochemical impedance spectr…
We have studied the structural and electronic properties of Ce2Ti2O7 (CeTO) and Pr2Ti2O7 (PrTO) by first-principles density functional theory calculations. The computed structural parameters are in fairly good agreement with the available experimental findings. Band structure calculations using the GGA+U approach pred…
High thermal conductivity, electrical insulating polymer composite has a wide range of applications in electronic packaging. We report the magnetic alignment of hexagonal boron nitride (hBN) in epoxy composite and the greatly enhanced thermal conductivities of the composites. Superparamagnetic iron oxide nanoparticles…
Empty fruit bunch oil palm (EFBOP) fibres were surface modified by four different methods, propionylation, vinyltrimethoxy silanization, PPgMA dissolution modification, and PPgMA blending, and integrated into a polypropylene (PP) matrix. The designed biocomposites were subjected to an absorption process at different t…
BACKGROUND: Comparison of short peptides which form amyloid-fibrils with their homologues that may form amorphous β-aggregates but not fibrils, can aid development of novel amyloid-containing nanomaterials with well defined morphologies and characteristics. The knowledge gained from the comparative analysis could also…
The phase transitions in smectogenic liquid crystal BBBA (4-butoxybenzylidene-4′-butylaniline) doped by multi-walled carbon nanotubes (NTs) were studied by methods of optical transmission, differential scanning calorimetry (DSC), measurement of electrical conductivity and analysis of microscopic images. The concentrat…
Here we report the dielectric response and electric conduction behavior of magnetoelectric gallium ferrite single crystals studied using impedance analysis in time and temperature domain. The material exhibits two distinct relaxation processes: a high frequency bulk response and a low frequency interfacial boundary la…
Trilayer graphene in both ABA (Bernal) and ABC (rhombohedral) stacking sequences is shown to exhibit intense infrared absorption from in-plane optical phonons. The phonon feature, lying at ~1580 cm(-1), changes strongly with electrostatic gating. For ABC-stacked graphene trilayers, we observed a large enhancement in p…
Nanocomposite BaFe 12 O 19 /α-Fe microfibers with diameters of about 1–5 μm are prepared by the organic gel-thermal selective reduction process. The binary phase of BaFe 12 O 19 and α-Fe is formed after reduction of the precursor BaFe 12 O 19 /α-Fe 2 O 3 microfibers at 350 °C for 1 h. These nanocomposite microfibers a…
In this work, we have studied electric field-induced magnetization effect of multiferroic BiFeO3 (BFO) nanowires in situ using magnetic force microscopy (MFM). Changes in magnetic domain contrast have been observed in the MFM phase images under applied electric potential, which indicate local magnetoelectric (ME) coup…