Materials Literature
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In network-on-chips (NoCs), how to reduce the power consumption of router buffers has been a major concern. In this paper, we propose a methodology to minimize the power consumption of routers with meeting all the deadlines of traffic flows. First, we present a network calculus-based method to analyze the worst-case d…
Recently, resistive random access memory (RRAM) is attractive as a promising candidate for next generation nonvolatile memory due to its potential scalability beyond 10 nm feature size using a crossbar structure, fast switching speed, low operating power, and good reliability. However, in order to fully optimize RRAM…
Thermoelectricity offers the unique possibility of a direct conversion of heat to electricity. Half-Heusler compounds based on TiNiSn are of great interest for thermoelectric research due to their promising electrical properties. However, for an efficient energy conversion their thermal conductivity has to be lowered.…
An electric driving circuit for the high-pressure (H.P.) injector is required to be designed to be capable of rapid response and precise air-fuel ratio control for GDI engines. In this study, a three-stage power MOSFETs driving circuit for the H.P. injector is designed and tested to verify its feasibility. The experim…
Carbon Nanotube Field Effect Transistors (CNTFETs) have superior electrical properties and therefore they are promising candidates to replace silicon-based devices in near future. Despite recent approaches to remove metallic CNTs from the inherent mixture of chiralities, the circuits still suffer from this issue. In c…
CuO/SnO2 nanocomposites materials were prepared by solution coprecipitation process using CuO nanowires-rods and SnO2 nanowires mixture as a starting materials. The mixture materials were put in beaker glass with distilled water and magnetic stering at 90 oC for 3 h. The mixture materials were filtered and heated at 9…
Poly (m-toluidine)(PMT) / montmorillonite (MMT) Composites with thermal stability were synthesized by in situ chemical polymerization of m-toluidine monomer in the presence of montmorillonite. The PMT /MMT composites were characterized by X-ray diffraction (XRD), Fourier transform infrared spectroscopy (FTIR), scannin…
A new manufacturing technology, external grind-hardening, is put forward and orthogonal tests are carried out with 3-level 3-factor aimming at 40Cr steel and 45 steel. A certain depth of Martensite layer is found on the hardened surfaces of both materials by metallographic observation and the hardness values meet the…
The spatial resolution of conventional measurement geometries for energy dispersive X-ray spectroscopy and cathodoluminescence is limited by the excitation volume. For Cu(In,Ga)Se2solar cells high acceleration voltages up to 30 kV are needed to excite the K-shell of the investigated elements. As a consequence, the exp…
This study evaluated thein vitrodegradation of pellet, powder and plates of poly-L-DL-lactic acid (PLDLLA) after two processing methods. Part of the material was reduced to powder by cryogenic milling and part of it molded injected in plate form. The crystallinity was evaluated by Differential Scanning Calorimetry (DS…
The analytical solution of a plane problem for two jointed half-planes with a crack in the shape of the circular arc located near an interface is obtained. On the crack edges external load is applied. At infinity stresses and angles of rotation are given. Method of complex potentials of Kolosov — Muskhelishvili togeth…
Using molecular beam epitaxy (MBE) techniques, we developed a growth technique of epitaxial Ge layers on a ferromagnetic alloy, Fe3Si. As a result, we demonstrated a basic structure of a vertical-type Ge-channel spin transistor on a Si platform.
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Industrial activity in the last three years has driven efficiencies of CdTe devices to above 20%. Most of the improvements in efficiency have come from enhancements in short circuit current, while the open circuit voltage (Voc) has remained stagnant. High Voc's have been attributed to longer lifetimes and correlated t…
The article discusses conception of automation of process of ultrasonic welding.
The effect of peak temperature on austenite grain size was investigated by using thermal simulation and OM, TEM analysis. Grains grow slowly below 1250°C, and dramatically grow up as the temperature exceeds 1350°C. The primary precipitates in X80 pipeline steel are TiN and NbC, TiN particles cannot absolutely dissolve…
Gold based bulk metallic glass was synthesized at with different quenching rates. Au54Ag5Pd2Cu24.3Si14.7 alloy ingots were cast into wedge shape and cone shape samples. The critical casting thickness of this alloy composition was found to be 4 mm when cast in copper mold. Completely amorphous structure as found in sec…
Nanoparticles mixed with transformer oil can potentially increase the breakdown strength of the base liquid. Unfortunately, the basic physical mechanisms leading to such improvement are still not clear. This paper implements two existing theories to model the electrical conduction of cyclohexane with TiO2nanoparticles…
Nanomedicine that can target bone tissue for disease treatment is designed by P. Hammond and team on page 867 by modifying the surface of therapeutic-containing particles with nanolayers of a polymer decorated with moieties that specifically bind boney regions. In this way, drug therapies can be directed to diseased b…
PZT/AlGaN/GaN metal-ferroelectric-semiconductor (MFS) heterostructure is fabricated and characterized by C-V measurement. A distinct asymmetric shift of C-V curve is observed that when the up-sweep (from negative to positive) starting voltage increases from −10 V to −18 V, the C-V curve shifts positively with the thre…