Materials Literature
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Abstract The effect of cobalt out‐diffusion from the WC‐10%Co/diamond film interface towards the diamond film surface, in terms of carbon phase, chemical composition and dependence of pre‐treatment for enhancement of diamond formation was investigated. Diamond films of various thicknesses were deposited onto substrate…
The surprisingly rapid relaxation of the sustainable current density in the critical state of single-crystalline Ba${}_{1\ensuremath{-}x}$K${}_{x}$Fe${}_{2}$As${}_{2}$ is investigated for magnetic fields oriented parallel to the $c$ axis and to the $ab$ plane, respectively. Due to the inadequacy of standard analysis p…
The growth and characterizations of polycrystalline ( Na 0.5 Bi 0.5 ) TiO 3 ( NBT ) thin films have been performed. ( Na 0.5 Bi 0.5 ) TiO 3 films have been deposited by rf‐magnetron sputtering on the unheated Pt / TiO x / SiO 2 / Si structure and postannealed to crystallize the film in the perovskite phase. The optima…
Abstract The presence of adsorbate species on diamond surfaces, even in relatively small concentrations, strongly influences electrical, chemical and structural properties. Despite the technological significance, coverage of diamond by transition metals has received relatively little attention. In this paper, we prese…
High-purity anhydrous magnesium chloride was prepared by using magnesia and ammonium chloride as reactants, alumina as covering agent. The process was characterized by X-ray diffraction and thermogravimetric and differential scanning calorimetry analysis. The reaction mechanism involved in the process was proposed and…
When 3D peptide amphiphile assemblies with flat and cylindrical morphologies are used as templates for mineralization, the nanoscale architecture is found to play a significant role in orienting hydroxyapatite in a bone-like fashion. Cylindrical nanostructures facilitate mineral orientation parallel to the long axis o…
Abstract A facile and versatile synthetic route for controlling the size and surface potential of organic–inorganic hybrid silica nanoparticles (NPs) is introduced in this paper. For polymer‐grafted NPs, the density of polymer chains on the surface is strongly affected by the concentration of precursor. Nevertheless,…
A process has been proposed for producing a plane-parallel ferromagnetic/ferroelectric interface, which ensures a reproducible magnetoelectric performance of Ni/PbZr 0.2 Ti 0.8 O 3 (PZT) heterostructures. Its principle is to smooth the initial surface profile of the PZT ceramic substrate to a submicron level by sequen…
Abstract A vinyl isocyanate (VI) synthesized from toluene diisocyanate and 2‐hydroxyethyl methacrylate was used as a novel coupling agent to obtain strong chemical interfacial adhesion and therefore, improve the tensile properties of Kraft fiber‐reinforced unsaturated polyester (UPE) composites. Results characterized…
In the superconductor LaRu${}_{3}$Si${}_{2}$ with the Kagome lattice of Ru, we have successfully doped the Ru with Fe and Co atoms. Contrasting behaviors of suppression to superconductivity are discovered between the Fe and the Co dopants: Fe impurities can suppress the superconductivity completely at a doping level o…
Abstract Polypyrrole (PPy) composites were prepared with both unmodified and amine‐modified multiwalled carbon nanotubes (MWCNTs) in the presence and absence of barium titanate (BaTiO 3 ) by in situ oxidative polymerization. A uniform coating of PPy on the MWCNTs and BaTiO 3 surfaces was confirmed by field emission sc…
A few-layer graphene-based hybrid material with high thermal and chemical stability and reproducible and tunable electronic properties was fabricated by intercalation of N-methylpyrrolidone into a few-layer graphene combined with heat treatment. Depending on the process temperature, the obtained material could be prod…
Abstract The aim of this work is to identify the optimum process parameters of sonication, manosonication and thermosonication for deactivating E. coli ATCC 25922 in water-based suspension. The influence of ultrasonic intensity, frequency, pressure, temperature and treatment time on the efficiency of ultrasonic treatm…
Abstract MnO 2 nanosheets have been synthesized by using a redox reaction of manganese nitrate tetrahydrate and potassium permanganate without any surfactants. The morphology and microstructure of the as‐prepared material were characterized by field emission scanning electron microscopy, transmission electron microsco…
Polarization-resolved optical studies of individual plasmonic nanoparticles are valuable for providing orientation information about anisotropic plasmonic nanostructures, such as nanorods and nanoparticle dimers, but are less useful for structures such as nanoprisms. In this study, the anisotropic polarization-depende…
Abstract High‐strength composite fibers were prepared from poly(vinyl alcohol) (PVA) and multiwalled carbon nanotubes (MWNTs) functionalized with PVA matrix. Esterification between MWNTs and PVA was confirmed by Fourier transform infrared, Raman spectroscopy, thermogravimetric analysis, transmission electron microscop…
Low-temperature specific heat, $C$, in magnetic fields up to ${H}_{c}$${}_{2}$ is reported for underdoped Ba(Fe${}_{0.955}$Co${}_{0.045}$)${}_{2}$As${}_{2}$ (${T}_{c}$ = 8 K) and for three overdoped samples Ba(Fe${}_{1\ensuremath{-}x}$Co${}_{x}$)${}_{2}$As${}_{2}$ ($x$ = 0.103, 0.13, and 0.15; ${T}_{c}$ = 17.2, 16.5,…
Multifunctional hybrid micelles are prepared from amphiphilic mal-PEG-b-PLA and mPEG-b-P(LA-co-DHC/RhB) block copolymers. A specific anti-transferrin receptor antibody, OX26, is linked onto the surface of the micelles. ELISA indicates that the conjugated antibody preserves its activity. OX26 conjugation can increase t…
Our research on employing the cellular automata methodology to corrosion and passivation phenomena is reviewed. Examples of a peculiar pit development are found and presented. The diffusion rate in the corroding medium is argued and shown in the simulation results to affect mainly the characteristic length scale for t…
The high-temperature enthalpy of lutetium orthophosphate has been determined as a function of temperature in the range 432.92–1744.58 K using drop calorimetry. The present and earlier experimental data have been used to calculate temperature-dependent heat capacity of LuPO 4 in the range 1–1750 K.