Materials Literature
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Department of Electronics and Information Engineering, Cheongju University, Cheongju 360-764, KoreaReceived March 3, 2011, Accepted July 18, 2011Key Words : Colloid-imprinted carbon template, Cristobalite ball, Reversible replication method, Sodium sil-icate solutionMesoporous carbon structures have been recognized th…
Article Analytical Method for Determination of Young’s Modulus of Large Deflection Carbon Nanotube was published on December 1, 2011 in the journal International Journal of Nonlinear Sciences and Numerical Simulation (volume 12, issue 1-8).
Six new optically active poly(amide–imide)s (PAIs) with good inherent viscosities were synthesized from the direct polycondensation reaction of N-trimellitylimido-l-amino acids with 1,2-bis[4-aminophenoxy]ethane by direct polycondensation in a medium consisting of N-methyl-2-pyrrolidone (NMP)/triphenyl phosphite (TPP)…
Organic building blocks inspired by biological systems are promising for fabricating nanostructured materials for a broad range of applications such as antimicrobials, biosensors, electronics, and biomaterials. Self-assembling cyclic peptide organic nanotubes have shown great promise for these applications due to thei…
The <TEX>$Mg_xZn_{1-x}O$</TEX> thin films with the various content ratio ranging from 0 to 0.4 were prepared by sol-gel spincoating method. To investigate the effects of content ratio on the structural and optical properties of the <TEX>$Mg_xZn_{1-x}O$</TEX> thin films, scanning electron microscopy (SEM), X-ray diffra…
Eliseevite, Na 1.5 Li[Ti 2 Si 4 O 12.5 (OH) 1.5 ]∙2H 2 O, is a new microporous titanosilicate of the lintisitekukisvumite family [monoclinic, C2/c, a = 27.48(1), b = 8.669(4), c = 5.246(2) Å, β = 90.782(8)°, V = 1249.7(9) Å 3 , Z = 4]. The mineral is found in two different peralkaline veins in an ijolite-foyaite- mali…
Das erste Beispiel für Lösungs-basierte Abscheidung anorganischer dünner Filme mit nichtlinearen optischen Eigenschaften bei niedrigen Temperaturen von 125–250 °C wird präsentiert. Die glasartigen und kristallinen Filme hochgradig nichtlinearer APSe6-Verbindungen (A=K, Rb; χ(2)≈150 pm V−1) zeigen ohne Polarisierung be…
Thin films of Te 15 (Se 100− x Bi x ) 85 ( x =0, 1, 2, 3, 4 and 5 at.%) glassy alloys were deposited by thermal evaporation (at 10 −4 Pa) from bulk samples. Optical characterization of the films was done by analysing their transmission spectra taken in the spectral range 400–2300 nm. Swanepoel's method was used to cal…
Calcium alginate fibers (CAFs) were prepared from sodium alginate, which is a natural polymer extracted from brown seaweeds, by extruding aqueous sodium alginate solution (4% by weight) into a calcium chloride (2% by weight) bath. Water uptake of CAF was determined in deionized water at room temperature (25°C) and it…
The crystallization kinetics of amorphous sputtered Nb-doped TiO 2 (TNO) thin films during isothermal annealing was examined using in situ X-ray diffraction (XRD) measurements. A Johnson–Mehl–Avrami analysis yielded Avrami exponents in the range of 2.0 to 2.7 for TNO films with various oxygen contents, indicating that…
Abstract For the reuse of the abundant waste rubber (WR), chlorinated waste rubber (Cl‐WR) was prepared by a water‐based chlorination method using chlorine gas as the chlorinating reagent. The resultant Cl‐WR was used as a flame retardant of low density polyethylene (LDPE) matrix. The properties of WR and Cl‐WR were c…
Abstract High throughput screening (HTS) and its associated experimental methods represent an efficient approach to explore multi-variable processes, such as corrosion and corrosion mitigation. The gain in efficiency when using the HTS approach is possible only through the judicious selection and integration of materi…
A simple and cost‐effective strategy was developed to synthesize Ag dendrites via an aqueous chemical route based on spontaneous galvanic displacement between silver (I) ions and copper foil under hydrothermal condition. Ag dendrites with [100], [110], and [111] growth direction can be prepared by adjusting the conten…
This chapter covers basic ideas concerning how an applied mechanical load is shared between the matrix and bers. The mathematical idealization process starts with assumptions regarding the simple case of one-dimensional formulation for a two-phase composite using continuous unidirectional bers reinforcing a homogene…
Abstract The chemically aggressive environment generated in some parts of equipment at multi-stage flash (MSF) desalination plants can cause corrosion problems. The proper selection of materials with higher resistance to corrosion is considered as one of the most prospective approaches for smooth and efficient running…
In-plane anisotropy in the linear piezoelectric constitutive law for [011] c cut and poled PMN–0.29PT is demonstrated to enable its use as a sensor/actuator rosette. The equations for a 0° / 45° / 90° rosette are developed using the conditions of coupling between the in-plane strain of the crystal and a substrate, and…
Atomic diffusion along grain boundaries in solids is a key process in many geological environments and in ceramics research. It is closely related to the grain boundary width, which is an important parameter in numerous equations describing diffusional or rheological processes, including plastic deformation of polycry…
Farbenspiel: Die erste Dynamikstudie mit röntgenbeugungsgestützter Computertomographie erfasste die Strukturänderungen während der Präparation millimetergroßer industrieller Hydrierungskatalysatorkörper (siehe Bild; zeitlicher Verlauf von links nach rechts, Farben geben unterschiedliche Katalysatorphasen wieder). Die…
Abstract As electrochromic polymers can switch with a high transmittance contrast in the sub‐second time frame, an analytical tool to rapidly probe the electrochemically‐induced optical transition is required for characterization of these materials for electronic displays and smart windows. A novel technique is descri…
We fabricated ceria (<TEX>$CeO_2$</TEX>) nanofibers by applying a mixed solution of polyvinylpyrrolidone (PVP) and various concentrations of cerium nitrate hydrate (<TEX>$Ce(NO_3)_3$</TEX>) ranging from 15.0 to 26.0 wt % by the electrospinning process. Ceria nanofibers were obtained after calcining PVP/<TEX>$Ce(NO_3)_…