Materials Literature
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Magnetostrictive materials have been widely used in sensors, actuators and transducers for decades. However, their applications are limited by the nonlinear response to both the prestress and the environment temperature. In that case, systematical study on magneto-thermo-mechanical behaviors of magnetostrictive materi…
Nanostructured and nanoporous metal oxide thin films are rarely accessible by standard synthetic approaches but highly desired for many applications, e.g. as electrodes, transparent conducting coatings, sensors or surface catalysts. Template based sol–gel chemistry combined with post-synthetic hydrothermal treatment a…
Free-standing liquid films are generally unstable, failing whenever a hole or pore is created. The same is true of a polymer melt, although the details of the instability can be more complex and dependent on molecular architecture. Here, we compare the nucleation of holes in homopolymer films and films made from diblo…
An unexpected Ru(dmso) 3 -supported heptatungstovanadate fragment [HVW 7 O 28 Ru(dmso) 3 ] 6− (1) is reported, representing the novel binding mode of the Ru-coordination to a tungstovanadate framework via Ru–O–W and Ru–O–V bonds.
Tailor-designed Au/SiO(2) core/shell nanoparticles are employed to enhance the efficiency of fluorescence resonance energy transfer based on quantum dots and R-phycoerythrin in solution.
When a wetting liquid fills in microchannels embedded inside a thin elastomeric layer, the surface of the layer does not remain smooth but bulges out in the vicinity of the channels. The height of the bulge depends on the deformability of the layer and the surface tension of liquid; in addition, it depends also on the…
For phase-change memory beyond the 30 nm design rule, chemical mechanical planarization (CMP) performing at a high polishing rate, reasonable selectivity, and no corrosion-induced pits is essential for planarizing nitrogen-doped polycrystalline (GST) deposited on the confined memory cell structure. We develop a new al…
A tubular electrolyte-supporting solid oxide fuel cell (SOFC) was fabricated by a slip casting technique. Yttrium stabilized zirconia (YSZ) was used as the electrolyte and silver was used as both of the anode and cathode materials. Activated carbon was directly used to fuel the cell without any gas feeding. The cell,…
Concrete is basic construction material used for any kind of structure. However, in most vital and local structures such as nuclear plants, Power plants, Weapon Industries, weapons storage places, water retaining structures like dams, and also local industries, & etc., concrete structures have to be designed as defens…
Self healing property is the ability of a material to be able to heal damages automatically and autonomously. It has wide range of application from paint coating, anti-corrosion coating, space-shuttle material, construction (concrete), automotive, etc. Microcapsules containing reactive compound for use in self healing…
Using the metal-insulator transition that takes place as a function of carrier density at the LaAlO3-SrTiO3 interface, oxide diodes have been fabricated with room-temperature breakdown voltages of up to 200 V. With applied voltage, the capacitance of the diodes changes by a factor of 150. The diodes are robust and ope…
Impact compressive experiments on air-dried and water-saturated sandstone samples taken from Kaiyang Phosphate Mine with a constant length-diameter ratio of 0.5 are conducted with the modified φ 75 mm split Hopkinson pressure bar(SHPB) apparatus. Compared with the static mechanical results tested by INSTRON material t…
We report the use of a stable isotope oxygen labeling technique for the "direct observation" of oxygen/oxide ion motion at the cathode/interlayer/electrolyte interfaces in a practical flatten tube solid oxide fuel cells. The trace of oxygen motion was labeled under a fuel cell reaction (current density of at ), and th…
Al 2 O 3 matrix cermets have been produced from mechanically mixed powders containing different metals (Al, Fe or Ti) as reinforcements. The powder mixture was compacted to cylindrical samples, which were subjected to pressure-less sintering 1500 C for 1 h. Microstructure of the sintered bodies was studied by optical…
A method to obtain the expressions of gold nanorods (GNRs) and dye molecules simultaneously is proposed for the single-photon and two-photon cellular imagings by using laser scanning confocal microscopy. For our experiment, GNRs with an average aspect ratio of 2.14 were synthesized using electrochemical method, and th…
The synthesis of Al 2 O 3 -based composites having different amount of fine titanium and titaniumdispersed carbide reinforcement-particles has been explored. Two experimental steps have been set for the synthesis; namely, solid sintering of Al 2 O 3 -titanium powders which were thoroughly mixed under high energy ball-…
The thermal conductivity of the fuel in today’s light water reactors, uranium dioxide (UO2), can be improved by incorporating a uniformly distributed heat-conducting network of a higher-conductivity material: silicon carbide (SiC). The higher thermal conductivity of SiC along with its other prominent reactor-grade pro…
Sadhana polynomial is defined on the ground of quasi orthogonal cut qoc strips in a graph G = G(V;E). A qoc strip, defined with respect to any edge in G, represents the smallest subset of edges closed under taking opposite edges on faces. The first derivative, in x = 1, of Sad- hana polynomial is a multiple of the num…
A method is given for creating material with a desired refraction coefficient. The method consists of embedding into a material with known refraction coefficient many small particles of size a , ka 1, where k > 0 is the wave number. The number of particles per unit volume around any point is prescribed, the distance b…
Abstract: In clothing engineering, sizing system plays an important role for manufacturing of clothing. This study aims to introduce a strong approach that it could be used for developing sizing systems by data mining techniques using anthropometric data. By using a new approach of Three-stage data mining procedure lo…