Materials Literature
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Experimental investigations of thermal microscopy, low frequency dielectric relaxation, spontaneous polarization P s (T), optical tilt angle θ(T) and response times τ s (T) are carried out in a fluorinated ferroelectric liquid crystal, N125F2(R*) exhibiting smectic-A and smectic-C* phases. Dielectric loss in the smect…
ArF resist-pattern shrinkage in critical-dimension scanning electron microscopy (CD-SEM) measurement is investigated, and its mechanism is discussed. In CD-SEM irradiation damage in the resist detected by Fourier transform infrared (FTIR) spectroscopy, we propose that C=O units of pendant polymer chains decompose COOH…
OBJECTIVES: Aim of this study was to evaluate the clinical benefit and the toxicity of pegylated liposomal doxorubicin. PATIENTS AND METHODS: Patients with metastatic breast cancer (n = 30) who failed a prior chemotherapy regimen for metastatic disease received 45 mg/m2 pegylated liposomal doxorubicin (PLD) every 4 we…
To make inorganic structure data more useful for further studies a five-point list of simple procedures to be followed by authors of crystal structure papers is proposed. 1. A crystal structure should be described with the space group corresponding to its true symmetry. 2. A new structure proposal should be tested, if…
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 Mohamed S. El‐Genk, Hamed H. Saber, Thierry Caillat; Performance Tests of Skutterudites and Segme…
In this article, the present and future prospects of the research and development regarding continuous SiC fiber reinforced ceramic matrix composites (CMCs) for aerospace applications are reviewed. These activities in Japan are described in term of their major applications, i.e. turbo fan engine components for aircraf…
The QUENCH experiments are to investigate the hydrogen source term that results from the water or steam injection into an uncovered core of a Light-Water Reactor (LWR). The QUENCH-06 experiment performed in the QUENCH facility at the Forschungszentrum Karlsruhe (Karlsruhe Research Center) on 13 December, 2000 was to i…
and supported on carbon were successfully prepared by a reverse micelle method. Aqueous solutions dissolving nitrates of constituent metals of the intended oxides and tetramethylammonium hydroxide (precipitant) were separately transformed into reverse micelle dispersions by using -lauryl ether (surfactant) and cyclohe…
The development of the crystallographic texture in the processing of a 0.5% Si semi-processed steel sheet has been investigated. The results were also compared with those of a steel with 1.25% Si and 0.22% Al, to verify the effect of the chemical composition. The texture was examined after the following steps: i) hot…
A new type of characterization of ferroelectric switching using First Order Reversal Curve (FORC) diagrams based on recording of minor hysteresis loops has been recently proposed. We apply this method to polycrystalline and epitaxial PZT thin films measured under various conditions and compare them to PZT ceramics. In…
Maskless Cu patterning on porous silicon (PS) assisted by a focused laser beam is demonstrated. Cu was selectively electroplated only at the illuminated part of PS by utilizing the rectifying properties of the Schottky barrier formed at a p-type semiconductor/solution interface. Applying this principle, Cu deposition…
δ-Al2O3 supported La, Mn, Co and Fe containing catalysts were prepared by impregnation of δ-Al2O3 with citrate-type precursors and calcination at 1073 K. The catalysts were characterized by X-ray diffraction (XRD), UV-Vis diffuse reflectance spectroscopy (DRS), X-ray absorption spectroscopy (XAS), and BET specific sur…
This work investigates in the first place, the improvement in leakage current and breakdown field of the copper metal-insulator-semiconductor (Cu-MIS) capacitor with a plasma-enhanced chemical vapor deposited (PECVD) amorphous silicon oxycarbide (α-SiCO, dielectric barrier. This is followed by investigating the improv…
OBJECTIVE: To evaluate a human assay for quantification of carboxy-terminal cross-linking telopeptide of type I collagen (CTX-I), assess the influence of age on plasma CTX-I concentration, investigate the relationship between plasma CTX-I and serum osteocalcin concentrations, and determine whether concentrations of pl…
The atomization of metals and alloys results in the rapid solidification of droplets which yields a complex interplay of nucleation undercooling, recalescence and microsegregation. Characterization of the solidified microstructure has been studied using conventional optical and scanning electron microscopy (SEM). Thes…
N-vinylformamide-grafted polypropylene (VFPP) was successfully synthesized through a free radical grafting reaction. Both polymeric methylene diphenyl diisocyanate (PMDI) and VFPP were effective compatibilizers for increasing both the strength and stiffness of the resulting wood–PP (polypropylene) composites. Both the…
The effect of LC photo-aligning by poly(vinyl-cinnamate) (PVCi) derivatives is consequent to the phenomena of the photo-induced optical anisotropy, found in PVCi films during their illumination by UV-light within the self-absorption band of the PVCi film. We proved in our experiment, that the phenomena of the photo-in…
A new medium surface area and non-microporous TiO2–β-SiC photocatalytic material was successfully obtained according to an extension of the Shape Memory Synthesis (SMS) method, and following a three step procedure. A high surface area TiO2 supported on an activated charcoal precursor was prepared in a first step by th…
The previously unknown structure of vitamin K3 (menadione, 2-methyl-1,4-naphthoquinone, C11H8O2), a synthetic compound from which it is possible to derive the naturally occurring K vitamins, has been solved from X-ray powder diffraction data. Solution was achieved using simulated annealing and restrained Rietveld refi…
A second generation poly(propylene amine) dendrimer functionalized at the periphery with eight E-stilbene and eight 4-tert-butylbenzenesulfonyl units has been prepared. The absorption spectrum, fluorescence spectrum and decay, E<==>Z photoisomerization, and photocyclization of the Z-isomer of the stilbene units have b…