Materials Literature
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We report on the demonstration of light emission from hybrid CdZnO quantum-well light emitting diodes. A one-dimensional drift-diffusion method was used to model the expected band structure and carrier injection in the device, demonstrating the potential for 90% internal quantum efficiency when a CdZnO quantum well is…
A review on the tunable electrical properties of ZnO nanowire field-effect transistors (FETs) is presented. The FETs made from surface-tailored ZnO nanowire exhibit two different types of operation modes, which are distinguished as depletion and enhancement modes in terms of the polarity of the threshold voltage. We d…
Silicon nitride/silicon oxynitride (Si 3 N 4 /Si 2 N 2 O) ceramic foams with tailored microstructures were prepared by a gelcasting process using fly ash cenosphere (FAC) as a pore‐forming agent. The slurry has a suitable viscosity so that the floating velocity of FAC in the slurry is slow enough to avoid delamination…
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 Candice L. DeLeo, Sachin S. Velankar; Morphology and rheology of compatibilized polymer blends: D…
BACKGROUND: Targeted delivery of antithrombotic (thrombolytic) drugs is expected to increase their efficacy and decrease side effects, especially in the case of thrombolytic enzymes. Liposomes, phospholipid nanosized bubbles with a bilayered membrane structure, have drawn a lot of interest as pharmaceutical carriers f…
Fabrication and remodeling of a three-dimensional (3D) hierarchically organized assembly out of nanofibers all major challenges in nanotechnology. Presented in this paper is a novel method of using various properties and behavior of water to fabricate 3D hierarchically organized electrospun nanofibrous structure. Firs…
In this paper, we present a comprehensive model for the resistance in graphene nanoribbon (GNR) interconnects. We use the recent experimental and theoretical results to model the impact of stacking of graphene layers in multi-layer GNR interconnects. We compare the resistance of GNR interconnects with both single-wall…
Series connection of supercapacitors (SCs) leads to cell voltage imbalance due to individual differences in cell properties. Cell voltage imbalance should be minimized to prolong cycle lives and maximize the available energies of SCs. In this paper, an equalization technique utilizing series-parallel connected SCs, wh…
The chemical bonding states of boron (B) in shallow P+/N junctions on Si substrates were studied by soft x-ray photoelectron spectroscopy (SXPES). This study revealed three chemical bonding states of B embedded in bulk Si. The concentration profiles of B were successfully determined by combining SXPES with step-by-ste…
This paper addresses the problem of scaling interconnects to nanometric dimensions in future very-large-scale integration applications. Traditional copper interconnects are compared to innovative interconnects made by bundles of metallic carbon nanotubes. A new model is presented to describe the propagation of electri…
Electrical bias-induced phase transitions underpin a wide range of applications from data storage to energy generation and conversion. The mechanisms behind these transitions are often quite complex and in many cases are extremely sensitive to local defects that act as centers for local transformations or pinning. Usi…
Luminescence properties of Tb3+ doped TeO2–ZnO–Na2O–PbO glasses containing silver nanoparticles (NPs) were investigated. The absorption band due to the surface plasmon resonance in the NPs was observed. Its amplitude increases with the heat treatment of the samples that controls the nucleation of the NPs. Tb3+ emissio…
Organic−inorganic hybrid coatings were derived from a hydroxyl-terminated hyperbranched polyester, 3-isocyanatopropyl triethoxysilane (ISPTES), and then cross-linked with various percentages of SiO 2 . This system was able to cross-link by hydrolysis of a tetraethoxysilane group in room temperature and humid condition…
The resistance to plasma-induced damage of various nanoporous, ultra low-κ porous SiCOH films used as interconnect dielectric materials in integrated circuits was studied. These films are susceptible to damage by plasma processes used during nanofabrication. The dielectric constants and chemical compositions of four d…
Abstract Summary: The potential of three different microbial wild type strains as polyhydroxyalkanoate (PHA) producers from whey lactose is compared. Homopolyester and co‐polyester biosynthesis was investigated by the archaeon Haloferax mediterranei and the eubacterial strains Pseudomonas hydrogenovora and Hydrogenoph…
The subsolidus phase relationships in the ZnO–InO 1.5 –SnO 2 system were investigated at 1275°C using X‐ray diffraction. Each of the end members of the ternary diagram is a transparent conducting oxide. There are two substantial solid solutions in the ternary phase space, the bixbyite solid solution In 2−2 x Zn x Sn x…
The psychrophilic pennate diatom Fragilariopsis cylindrus is a dominant polar diatom adapted to grow at extremely low temperatures and high salinities prevailing in the brine channels of sea ice. As a basis for deeper investigations of this physiological trait, we used an EST approach to find candidate genes involved…
High-strength elastic nanocomposite materials were successfully prepared from waxy maize starch nanocrystals as the reinforcing phase and waterborne polyurethane (WPU) as the matrix by casting and evaporating. Sulfuric acid hydrolysis of waxy maize starch granules yielded the crystalline platelets of the starch nanocr…
Abstract The effects of varying morphological and chemical constitution of nanofillers and various dispersion methods on natural rubber nanocomposites prepared by conventional processing techniques were determined by incorporating various nanofillers like montmorillonite, sepiolite (SP), hectorite, carbon nanofiber (F…
The solubility and solution mechanisms of nitrogen in silicate melts have been examined via nitrogen analyses and vibrational spectroscopy (Raman and FTIR). Pressure (P), temperature (T), hydrogen fugacity (f H₂ ), and silicate melt composition (degree of melt polymerization) were independent variables in experiments…