Materials Literature
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A low-cost substrate for the positive electrode of nickel/metal-hydride battery was developed by using a nonwoven cloth with a three-dimensional micronetwork structure, in which the amount of plated nickel was less than half compared with the conventional foam-type substrate. The substrate was designed to have a finer…
Abstract In recent years, functional polymers exhibiting inherently biological activities have been receiving increasing attention as polymer-based human therapeutic agents. These polymeric drugs exhibit unique pharmaceutical properties that are fundamentally different from their traditional small-molecule counterpart…
Site-specific, chip-to-chip fluidic connectors have been demonstrated via near-field electrospinning (NFES) in a fashion similar to the wire bonding technique in IC manufacturing. Electrospun polymer fibers function as the sacrificial material with deposition control better than 10 m in the planar direction to connect…
Silicon photoelectrodes, immersed in 40% electrolyte, exhibit large-scale fractal etch patterns at anodic potentials near . Depending upon light intensity and doping, three regimes were identified, characterized by etch-groove ramification, surface-lattice symmetry, and chaotic corrosion. The pattern formation in regi…
Single molecule level detection of the near-infrared fluorescent protein allophycocyanin (APC) has been achieved using surface enhanced resonance Raman scattering (SERRS). The detection limit using the peak height of the 440 cm(-1) band was 1 x 10(-13) mol l(-1), compared to 2 x 10(-12) mol l(-1) for the fluorescence…
Commingled yarns for composite applications consist of combination of high-performance filaments and matrix-forming thermoplastic filaments that have quite different tensile characteristics. The commingling process mixes these filaments along with introduction of nips and open sections alternately along the length of…
A Si wafer and polysilicon deposited on a Si wafer were planarized using catalyst-referred etching (CARE). Two apparatuses were produced for local etching and for planarization. The local etching apparatus was used to planarize polysilicon and the planarization apparatus was used to planarize Si wafers. Platinum and h…
In recent years, several alternative devices have been proposed to deal with inherent limitation of conventional CMOS devices in terms of scalability at nanometer scale geometry. The fabrication and integration cost of these devices, however, have been prohibitive and/or the devices do not allow smooth transition from…
This study deals with the effect of cross-sectional shape of yarn duct of interlacer on the performance of interlaced yarn and aims at finding the interlacers with better performance. The performance of the interlaced yarn is evaluated by the number and strength of tangles. Seven interlacers with different shapes of y…
Ternary phases in the systems Zr–As–Se and Zr–As–Te were studied using single crystals of ZrAs1.40(1)Se0.50(1) and ZrAs1.60(2)Te0.40(1) (PbFCl-type of structure, space group P4/nmm) as well as ZrAs0.70(1)Se1.30(1) and ZrAs0.75(1)Te1.25(1) (NbPS-type of structure, space group Immm). The characterization covers chemical…
In the aim to define a structure NLO properties relationship, theoretical calculations have been used to investigate the role of different parts (substituents and π-system) of disubstituted conjugated systems based on naphthalene, cinnoline and quinazoline moieties. Using metallation and cross-coupling reactions we re…
The layer-by-layer incorporation of monomers in the synthesis of dendrimers allows for variations in the functionalities between one layer and the next. However, incorporation of different functionalities in combination with the above would lead to the introduction of sequences in dendrimers. We review the three compl…
SUMMARIES The effect of three washing methods is compared with regard to the removal of acid compounds from aged paper: immersion washing, blotter washing, and suction table washing with the aid of ultrasonic mist. The authors identify and quantify the organic acids (acetic-, lactic-, malic-, oxalic- and succinic acid…
Blends of poly (epichlorohydrin-co-ethylene oxide) rubber (Zeon Hydrin ® C2000L) and polyaniline doped with dodecylbenzenesulfonic acid (PAni-DBSA), containing different weight fractions of PAni were cast from solution. Solubility parameters for both PAni-DBSA and Hydrin ® were calculated and found to be comparable, f…
Solid zinc (Zn)S and liquid zinc (Zn)L are oxidized by water with the formation of zinc oxide (ZnO) nanostructures and the evolution of hydrogen. The maximum rate of this process, called chemical supercondensation by water (CSW), is realized on approaching the melting temperature of zinc from the left and right with i…
The rigorous coupled-wave analysis (RCWA) is a method to compute diffraction of a field by a given grating structure. Within various applications, such as metrology, it is important to know how the field reacts to small perturbations in the grating. This behavior can be expressed by the field derivatives with respect…
We propose a new electrode structure for the fringe-field switching mode, which not only has a smaller color shift but also transmits more light than the chevron-type structure. While the chevron-type electrode structure mainly uses the different directions of the electric field, the proposed structure makes use of po…
A continuous series of Bi2V1 − x Ge x O5 + y solid solutions has been prepared by solid-state reactions, and their polymorphism and electrical properties have been studied. The solid solutions with 0 < x ≤ 0.2 are isostructural with the monoclinic phase α-Bi2VO5.5, and those with 0.2 < x ≤ 0.3 are isostructural with t…
Abstract We consider the effect of structural heterogeneity on the movement of the slug-parasitic nematode, Phasmarhabditis hermaphrodita. The study involves image recording and analysis of nematode movement on a homogeneous layer of technical agar compared to movement of nematodes in a structurally heterogeneous envi…
La nanociencia y la nanotecnología se presentan como un área nueva de investigación en el estudio de los materiales donde convergen diversas ramas del conocimiento que permiten estudiar fenómenos inéditos que ocurren a nivel atómico y molecular. La importancia de la nanotecnología radica en que en mundo nanométrico lo…