Materials Literature
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Al-doped ZnO thin films were prepared on the (0001) sapphire (c-Al2O3) substrates by atomic layer deposition (ALD) using alternating pulses of Zn(C2H5)2, Al(CH3)3 and H2O precursors and post-deposition high-temperature annealing. Photoluminescence (PL) spectroscopy showed that the threshold of stimulated emission decr…
Free-standing TiO2 nanotubes with both their ends open are required in many applications. This article reports the authors’ latest progress in meeting these requirements. Elevating the voltage at the end of an anodization process can break the adhesion of the TiO2 nanotube layer to the underlying Ti substrate and simu…
Fabrication and property of c-axis-oriented KSr2Nb5O15 (KSN) ceramics were examined. Particle-oriented KSN was fabricated by using a rotating magnetic field and subsequent sintering. KSN fine powder was prepared by conventional solid-state reaction and grinding processing. C-axis-oriented KSN green compact was fabrica…
Homologous compound In2−xGaxO3(ZnO)3 (x ≈ 0.18) nanobelts were successfully synthesized in high yield by a simple thermal vapour method for the first time. Two sets of peaks appear in X-ray diffraction pattern. One is attributed to wurtzite ZnO, while the other is indexed to rhombohedral In2−xGaxO3(ZnO)3 (x ≈ 0.18) wi…
Layered-antiferromagnetic compound CuCrS 2 has been prepared by different methods. The analysis of X-ray diffraction patterns of different samples gave significant amount of vacancy-disorder of Cr-atoms within the layers. Extended period of sintering above 900 °C increases the transfer of Cr-atoms to the interstitial…
Fine grained samples with a nominal composition of Bi0.5Sb1.5Tex (x=3.0 to 3.4) were prepared by mechanical alloying (MA). Average grain sizes were found to range from 1.0 to 2.1 μm. Tellurium precipitation at x=3.1 was observed by scanning electron microscopy (SEM), X-ray diffraction and differential thermal analysis…
This paper describes the synthesis and physical properties of an uniquely asymmetric heptanickel string complex exhibiting a charge disproportionate model along the linear nickel framework.
The effect of 2‐phenyl‐3‐nitroso‐imidazo[1,2‐a]pyridine (PNIP) on the corrosion inhibition of carbon‐steel in 0.5 M HCl was studied by weight loss and different electrochemical techniques such as electrochemical impedance spectroscopy (EIS), potentiodynamic polarization. The obtained results showed that PNIP effective…
With especial regard to hydrogen electrode, the theoretical fundamentals of electrode potential, the most important reference electrodes and the electrode potential measurement have been discussed. In the case of the hydrogen electrode, it have been emphasised that there is no equilibrium between the hydrogen molecule…
Cd(OH)(2) nanorings were synthesized in high yield via a one-step solution phase synthesis process at room temperature, in which the co-existence of ethanol and ammonia is the key factor for the formation of such a ring structure. Further calcination of the Cd(OH)(2) nanorings results in the formation of CdO nanorings.
A tripod zinc porphyrin (TPZn(3)) forms a stable 1:1 complex with gold(III) tetra(4-pyridyl)porphyrin (AuTPyP(+)) and free-base tris(4-pyridyl)porphyrin (2H-Py(3)P) in nonpolar solvents. The strong binding of TPZn(3) with AuTPyP(+) or 2H-Py(3)P results from the encapsulation of AuTPyP(+) or 2H-Py(3)P inside the cavity…
A nanotoroidal open-ended tubule structure could be formed by the self-assembly of an eight substituted oxacalix[4]arene in the solid state, and THF molecules were accommodated in the hole.
Views Icon Views Article contents Figures & tables Video Audio Supplementary Data Peer Review Share Icon Share Twitter Facebook Reddit LinkedIn Tools Icon Tools Reprints and Permissions Cite Icon Cite Search Site Citation E. Salleh, I. I. Muhamad; Starch‐based Antimicrobial Films Incorporated with Lauric Acid and Chit…
Iron carburization is one of the most important reactions in iron making process. If the rate and efficiency of carburization reaction are increased, energy consumption of the process will be reduced to a large extent. The purpose of this study is to clarify the effect of carbon structure on initial iron carburization…
Gold nanoparticles immobilized on gold surfaces (AuNPs/Au) function as an excellent SERS substrate for the detection of bacteria biomarkers. The possibility of the reactivity of bacteria biomarkers on such a nanoparticle-based substrate poses complications for the spectroscopic identification and quantification. This…
A competitive model accounting for the growth of branched channels inside AAO membranes is proposed in this paper. According to this model, two types of competition which originate from the non-uniform thinning of stem channel barrier layers result in the tree-like morphology of branched channels. Furthermore, competi…
In this article we demonstrate that hybrid nanogels can be prepared by encapsulation of reactive nanoparticles (NPs) directly during nanogel synthesis. Nanogels investigated in present study consist of poly(N-vinylcaprolactam-co-(2-acetoacetoxyethyl) methacrylate) copolymer. The modification of the LaF3:Eu nanoparticl…
Composites of Sr-doped LaMnO 3 (LSM) and yttria-stabilized zirconia (YSZ) were prepared by sequential electrodeposition of La and Mn species from nitrate salts in Dimethyl Sulfoxide (DMSO) into a porous, carbon-coated YSZ substrate, followed by the infiltration of Sr ( NO 3 ) 2 . The La and Mn species were uniformly d…
Hydrophobic three-dimensional carbon nanotube architectures with patterned morphologies have been fabricated by a pattern transfer method, in which the components of the masks served as promoters/inhibitors to increase/decrease the catalyst activity for the self-organization of carbon nanotubes into a family of patter…
WATER COSOLVENT MIXTURES. Extended Hildebrand Solubility Approach (EHSA) developed by Martin et al. was applied to evaluate the solubility of ketoprofen (KTP) in ethanol + water cosolvent mixtures at 298.15 K. Calculated values of molar volume and solubility parameter for KTP were used. A good predictive capacity of E…