Materials Literature
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A molecular dynamics approach has been employed to study the dynamical behavior of a water droplet adsorbed on a poly(methyl methacrylate) (PMMA) surface. Several sizes of water droplets are considered in order to understand the size influence of the droplet on the dynamical properties of water molecules on the PMMA s…
Behaviors of hydrogen sorption on carbon and NiO in the presence of a piezoelectric element were studied. Initiation of this effort was based on the theoretical predictions and experimental evidences that charged species have capabilities to cluster hydrogen molecules. The piezoelectric element is able to autogenously…
Purpose The purpose of this paper is to report the preparation and characterisation of nanocomposites, which are made of biodegradable poly(vinyl‐alcohol‐co‐ethylene) and wood dust. These nanocomposites can aptly be termed as green by nature as they are totally non‐toxic and ecofriendly. Design/methodology/approach Sa…
An amphiphilic diblock copolymer, poly(ethylene oxide)-block-poly {6-[4-(4-ethoxyphenylazo)phenoxy] hexyl methacrylate}, was synthesized using atom transfer radical polymerization. In the solution of tetrahydrofuran and water, the diblock copolymer formed micrometer scale vesicles by self-assembly. Under the irradiati…
Based on the recent experimental results of the LHD and the magnet technology–cost basis developed for the ITER construction, the design windows of helical reactors are analysed. For searching design windows and investigating their economical potential, we have developed a mass–cost estimating model linked with the sy…
New hybrid surface reinforcement consisting of crack healing and low energy electron beam irradiation has been proposed for structural ceramics. Crack healing was found to make surface cracks be innocuous. Low‐energy electron beam irradiation was found to significantly harden the treated subsurface layer, which includ…
Angle-resolved X-ray photoelectron spectroscopy method was used to study self-sputtering effects of different n-type low-energy doping techniques, including conventional monoatomic75As and31P beam-line ion implants and AsH3plasma doping (PLAD). It has been found that the self-sputtering effects of the beam-line implan…
Leaving the lights on: Because of its prevalence under widely different conditions, the phenomenon of fluorescence intermittence, or blinking, is sometimes considered as nearly universal (see picture for a typical trace). Therefore, the announcement of the synthesis of non-blinking dots has stunned—and thrilled—the sc…
The adsorption and thermal decomposition of iodoalkanes CH 3 I, C 2 H 5 I, and C 4 H 9 I on Ge(100) were studied with temperature-programmed desorption (TPD) and X-ray photoelectron spectra (XPS) using synchrotron radiation. At 105 K, the iodoalkanes adsorb both molecularly and dissociatively on Ge(100); the shorter-c…
Abstract Chitosan is a major structural component of fungal cell walls and has diverse medical and other applications. However, cost‐effective culture and extraction methods for fungi need to be developed. Therefore, Mucor rouxii was grown on YPG‐media in both submerged batch and semi‐continuous cultures. Chitosan was…
Purpose The purpose of this paper is to explore concepts and manufacturing issues for the emerging piezo on silicon technology being used in ultra‐sound devices. Development of 3D silicon‐on‐silicon structures is now under way. Additional functionality can be achieved using piezoelectric‐on‐silicon structures and work…
Switched networks have been adopted in on-chip communication for their scalability and efficient resource sharing. However, using a general network for a specific domain may result in unnecessary high cost and low performance when the interconnects are not optimized for the domain. Designing an optimal network for the…
The dynamic heat capacity is calculated from molecular dynamics simulations of a model glass former of simple bead-spring chains. The temperature is directly modulated and the energy tracked. The frequency-dependent heat capacity is found as the complex response function. There is agreement both with molecular dynamic…
The reciprocity relation of McCumber which states that the emission and absorption spectra of broad solid-state laser transitions are related by the classical Boltzmann factor is critically examined. It is argued that it should be treated as an exact property of homogeneously broadened amorphous host gain media at roo…
InGaN-based light-emitting diodes (LEDs) with nanoporous microhole array (NMA) structures were fabricated through photoelectrochemical wet oxidation and oxide-removing processes. The average size of the nanoporous structure at the microhole regions was measured at 60-80 nm. Forward voltages were measured at 3.47 and 3…
Upon absorption of a photon, the 1-methyl-7-oxyquinolinium zwitterion in neutral water undergoes a proton-transfer cycle involving protonation at the lowest excited triplet state and redeprotonation at the ground state. On one hand, the proton transfer of a water molecule to the triplet-state zwitterion takes place on…
The influence of nepheline syenite on physicomechanical properties of extruded ceramic Raschig ring was investigated. Industrial kaolin was used as reference composition and different amounts of kaolin were replaced with nepheline syenite ranging 5–15 wt%. The laboratory experimental results showed that the use of 5 w…
TWIP(twinning induced plasticity) steels possess very high plasticity and high strength.It has been pointed out that deformation twinning plays an important role in controlling the deformation behavior,which divides grains into nano-scale layer-like structures to result in high strain-hardening rate or the so-calledTW…
In this work, we show that by using single negative (SNG) media, the sensitivity of open-ended near-field waveguide probes can be enhanced. The enhancement is due to the evanescent wave amplification property of SNG media. As a demonstration of the efficacy of the proposed SNG-enhanced probe, we present a numerical st…
As the industry moves towards sub-65nm technology nodes, the mask inspection, with increased sensitivity and shrinking critical defect size, catches more and more nuisance and false defects. Increased defect counts pose great challenges in the post inspection defect classification and disposition: which defect is real…