Materials Literature
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Thermodynamic behavior of supercooled water (metastable fluid water existing transiently below the equilibrium freezing point) at high pressures was subject to many recent theoretical studies. Some of them assume that a second critical point of water exists, related to two liquid phases of supercooled water: the low-d…
Vertically aligned ZnO nanorods were grown at 700°C for 2 h on sapphire substrates with catalysts in bilayer configurations of Sn (top)/Ni (bottom) and Sn/In, where the top layer is formed by sputtering and the bottom one is deposited by spin coating. The effects of bilayer catalysts on growth kinetics of nucleation a…
The deposition of ZnO / Ag / ZnO film on polyethylene terephthalate (PET) substrate was fabricated by DC magnetron sputtering method. The thicknesses of ZnO layers were 30 nm and Ag films' thicknesses were changed from 1 nm to 6 nm by controlled the sputtering time. This kind of film can be used as transparent conduct…
Photo-electrochemical synthesis of silver-oxide clathrate Ag 7 O 8 NO 3 on Nb-doped SrTiO 3 (001) single crystal electrodes in AgNO 3 aqueous solutions was studied. The formation of small plate-like grains on the electrode first occurred, followed by the growth of large faceted crystals. The selectivity for the photoc…
We investigate the pattern transfer on oxide substrates of lithographic masks with nanometer dimensions. The nanomasks are realized through the Lithography based on block CoPolymers self-assembling (LCP). LCP is low cost, VLSI compatible and allows the formation of controlled and highly dense nanofeatures at wafer sca…
We report a transfer process for CNT films with intrinsic bottom metal contacts to construct mechanically bendable, densely aligned carbon nanotube (CNT) forests for energy storage devices. The flexible electrode created and investigated as a supercapacitor has the following salient features: (1) excellent transfer of…
The Cu(SO(3))(4)(7-) anion, which consists of a tetrahedrally coordinated Cu(I) centre coordinated to four sulfur atoms, is able to act as a multidentate ligand in discrete and infinite supramolecular species. The slow oxidation of an aqueous solution of Na(7)Cu(SO(3))(4) yields a mixed oxidation state, 2D network of…
Carbon‐nanotube‐ (CNT‐) doped polymer solutions were drawn into arrays of microfibers using a novel direct‐write process. This process utilizes a micromanipulator‐controlled syringe loaded with solvated polymer mixed with CNTs to “write” networks of composite fibers with precisely positioned endpoints. The diameters o…
Vanadium phosphate catalysts have been prepared by calcining VOHPO44·0.5H2O which were prepared via two methods i.e. organic (VPO method) and dihydrate (VPD method) routes for different duration under anaerobic atmosphere. Increasing the calcinations duration led to a decrease in total surface area. It is also promote…
Removal of phenol (Phen) and p-nitrophenol (p-NPhen) from aqueous solutions onto sodium modified (ZG-Na) and surface modified (ZG-HDTMA) natural zeolite has been investigated. X-ray diffraction (XRD) and scanning electron microscopy (SEM) technique characterizations show that clinoptilolite is the major phase in zeoli…
The paper presents the results of examination concerning optimization of the phase precipitates with respect to the functional properties of ferritic-austenitic cast steel. The examined material comprised two grades of corrosion-resistant cast steel, namely GX2CrNiMoN25-6-3 and GX2CrNiMoCuN25-6-3-3, used for example i…
A suite of plate-impact experiments have been conducted to determine the dominant factors in dynamic damage evolution in uniaxial strain tensile (spall) experiments. The first group of experiments addresses the effect of microstructure by using copper samples with varying grain sizes while maintaining similar loading…
Summary This study was carried out to investigate the effects of dietary powder of Puncture Vine (Tribulus terrestris (TT)), carried with cotton oil, cellulose and bentonite on growth performance, carcass characteristics, TBA (thiobarbituric acid) value of breast meat and blood parameters of broiler chicks. In total,…
Nickel oxide (NiO) thin films were successfully deposited on Corning 7059 glass substrates at different oxygen partial pressures in the range of 1 10 – 4 to 9 10 – 4 mbar using dc reactive magnetron sputtering technique. Structural properties of NiO films showed polycrystalline nature with cubic structure along (2…
Reaction of the potassium salt of N-thiophosphorylated thiourea 6-MeO(O)CC(6)H(4)NHC(S)NHP(S)(OiPr)(2) (HL) with PdX(2) (X = Cl(-), Br(-), I(-)) leads to the dark red binuclear complexes [(PdLX)(2)], while the same reaction with PdY(2) (Y = NO(3)(-), CN(-), CH(3)COO(-)) leads to the light red mononuclear complex [PdL(…
We present the preparation of nanometer-size organic crystals using femtosecond laser induced forward transfer (Fs-LIFT) method. 1,4-Bis(4-methylstyryl)benzene (BSB-Me) nanocrystals are directly deposited on the substrate to form a nanocrystal film. Size and morphology as functions of applied laser fluence are investi…
Article history: Received on: 07/09/2012 Revised on: 18/09/2012 Accepted on: 22/09/2012 Available online: 28/09/2012 A facile and reliable method to perform pilot pharmacokinetic (PK) and biodistribution studies is necessary for expediting the overall development and clinical translation of novel nanoparticle drug car…
Oxygen ion conducting ceramics (Sc2O3)0.1(ZrO2)0.9, (Sc2O3)0.1(CeO2)0.01(ZrO2)0.89 and Ce0.9Gd0.1O1.95 were sintered from powders with different specific surface areas. The produced ceramics were studied by scanning electron microscopy and impedance spectroscopy methods. Impedance spectroscopy measurements were perfor…
Nanotechnology is gaining tremendous impetus in the present century due to its capability of modulating metals into their nanosize. Metallic nanoparticles are traditionally synthesised by wet chemical techniques, where the chemicals used are quite often toxic and flammable. In this work, we describe a cost effective a…
Highly ordered cubic mesoporous carbons with the cubic I4132 mesostructure have been synthesized via organic–inorganic self-assembly of tetraethoxysilane (TEOS), triblock copolymer Pluronic P123, and sucrose under acidic conditions.