Materials Literature
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Silver nanoparticles having a narrow size distribution were synthesized on Ti-containing mesoporous silica thin film (Ti-MSTF) using a simple photo-assisted deposition (PAD) method. Their particle sizes were successfully controlled by changing the photo-irradiation time during the deposition and average particle sizes…
Localised shear deformation of a material is usually identified as a particular feature of deformation inhomogeneity. Here, we show two different types of shear deformation-behaviour that occurred in Au–Cu multilayers subjected to microindentation load, namely, a cooperative-layer-buckling-induced shear banding in a n…
Enhancement of the red emission of with addition of is reported. The initial phosphorescence in the codoped sample is an order of magnitude stronger than that of the -free sample. Thermoluminescence spectra indicate that the introduction of into the host produces traps with a suitable depth, resulting in the enhanced…
Nanotubes are formed by self-assembly of the milk protein α-lactalbumin, after partial hydrolysis by a protease from Bacillus licheniformis. These unique nanotubes are formed only in the presence of an appropriate cation at neutral pH. The α-lactalbumin nanotube is a heterogeneous self-assembled structure comprising d…
A new cobalt bis(semiquinone) valence tautomer is reported featuring a terthienyl substituent, which undergoes electropolymerization to produce a valence tautomeric conducting metallopolymer.
A simple synthetic strategy was developed for the synthesis of well-defined multifunctional poly(amide)-based dendrimers using a trifunctional core.
Ta2O5nanotube length, diameter, and wall thickness are controlled by varying the ratio of HF to H2O in the electrolyte solution.
Hexamethylenetetrathiafulvalene (HMTTF) derivatives substituted by tert-butyl, n-pentyl, and 1,1-dimethylpropyl groups are prepared, and the transistor properties are investigated. The compounds substituted by bulky tertiary groups exhibit high mobilities up to 0.98 cm2/Vs in the thin-film transistors and 2.3 cm2/Vs i…
The compounds (1−x)PbTiO3–xBi(Mg,Ti)1/2O3 (x = 0–0.7) were prepared in order to hunt for low thermal expansion piezoceramics, in particular for zero thermal expansion over a wide temperature range. The negative thermal expansion of PbTiO3 was much weakened by forming a solid solution with Bi(Mg,Ti)1/2O3. Solutions of…
Mg‐Al Hydrotalcite‐like clay (LDH) intercalated with diclofenac anions (HTlc‐DIC) was introduced into poly( ε ‐caprolactone) (PCL) in different concentrations by the electrospinning technique, and mats of nonwoven fibers were obtained and compared to the pristine pure electrospun PCL. The fibers, characterized by X‐ra…
Carbon diffusion in transition metal nanoparticles is assumed to be a key factor in the catalyzed growth of carbon nanotubes (CNT). Aiming at designing more efficient catalysts, we have compared this carbon diffusion process in the near surface and in the bulk of Ni and Ni(3)Pd by means of density functional theory (D…
A uniquely angled spirooxazine dimer was synthesized as a smart photoswitch for sensing and delivery applications; the dimer showed reversible binding and release ability towards a palladium catalyst.
Nanometer size oxide particles in 9Cr-ODS steel are dispersed finely and densely in a matrix by the hot-solidification process. The size and density distribution of dispersed oxide particles is recognized as one of the main issues for ensuring good microstructural stability and high temperature strength in a high temp…
The electronic structure of was calculated using the CASTEP code. shows an indirect optical bandgap with a bandgap energy of about 4.0 eV. -activated phosphors were synthesized by a solid-state reaction method, and their photoluminescence properties were characterized. The excitation band of ranges from 380 to 520 nm…
Purpose: The aim of this work was to define and compare abrasion resistance of selected constructional materials widely used in the industry. Chromium cast iron wear resistant plates were compared with typically used wear resistant plates made from Hardox 400 steel and two different, wear resistant, materials cladded…
Effects of Eu2 + Co-Doping on VUV Photoluminescence Properties of BaMgAl10O17 : Mn2 + Phosphors for Plasma Display Panels, Moon, Taeho, Hong, Gun Young, Lee, Hong-Cheol, Moon, Eun-A, Jeoung, Byung Woo, Hwang, Sun-Tae, Kim, Je Seok, Ryu, Byung-Gil
The photo-induced parallel E-->C ring closure and E-->Z isomerisation reactions of the (E) isomer of the photochromic furylfulgide 2-[1-(2,5-dimethyl-3-furyl)-ethylidene]-3-isopropylidene succinic anhydride () in n-hexane have been studied using femtosecond time-resolved spectroscopy. Broadband transient absorption da…
A method for the preparation of gold nanoparticles supported on glassy carbon by direct spray pyrolysis in air at low temperature is presented. The procedure is based on the property of some gold salts which, unlike many other metal salts, decompose by heating at low temperature to produce metallic gold and gaseous sp…
K.M. Evans and D.G. Mann. 2009. A proposed protocol for nomenclaturally effective DNA barcoding of microalgae. Phycologia 48: 70–74. DOI: 10.2216/08-70.1.A mechanism for giving DNA barcodes nomenclatural status in microalgae via culture-derived epitypes is demonstrated with reference to four species of the freshwater…
The crevice corrosion performance of Alloy 22 was tested under potentiostatic polarization more positive than the repassivation potential in 4 M NaCl solution at . Under this aggressive condition, crevice corrosion initiated under the crevice contacts and four stages of corrosion behavior were observed: initiation, pr…