Materials Literature
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An integral equation theory which is applicable to inhomogeneous molecular liquids is proposed. The "inhomogeneous reference interaction site model (RISM)" equation derived here is a natural extension of the RISM equation to inhomogeneous systems. This theory makes it possible to calculate the pair correlation functio…
Dielectric heating of soil using radio waves (RW) can be applied to support various remediation techniques, namely biodegradation and soil vapor extraction, under in situ, on site or ex situ conditions. To improve the spatial resolution of energy dissipation, the design of rod electrodes was modified with an air gap a…
The atomic layer deposition of iridium (Ir) and iridium oxide (IrO2) films was investigated using an alternating supply of (ethylcyclopentadienyl)(1,5-cyclooctadiene) iridium and oxygen gas at temperatures between 230 and 290 °C. The phase transition between Ir and IrO2 occurred at the critical oxygen partial pressure…
We have detected the occurrence of hydrogen bonding involving an interstitial positive muon situated between hydrogen atoms of two independent alanate anions in sodium alanate (NaAlH4). Ti doping, which is known to dramatically improve the hydrogen cycling performance of NaAlH4, reduces the kinetic barrier of the tran…
We report on the diverse self-assembly of the poly(2-vinyl pyridine)- b -poly(acrylic acid)- b -poly( n -butyl methacrylate) (P2VP−PAA−PnBMA) ABC terpolymer in aqueous solutions. This has allowed us to fabricate a range of hierarchically organized nanostructured particles and hydrogels just by tuning both the pH and t…
MgB 2 samples were prepared by using 96% boron (B) powder with strong crystalline phase that had been ball milled for various times. We observed samples that contained ball-milled 96% B in comparison with one made from as-supplied commercial 96% B, with the results showing a significant enhancement in the high field c…
In this study we evaluate, at full atomic detail, the folding processes of two small helical proteins, the B domain of protein A and the Villin headpiece. Folding kinetics are studied by performing a large number of ab initio Monte Carlo folding simulations using a single transferable all-atom potential. Using these t…
Eu 2 + -doped high silica glass (HSG) is fabricated by sintering porous glass which is impregnated with europium ions. Eu2+-doped HSG is revealed to yield intense blue emission excited by ultraviolet (UV) light and near-infrared femtosecond laser. The emission profile obtained by UV excitation can be well traced by ne…
A framework for the analysis of planar driver–pickup coil arrays is presented by examining the response of a pair of planar circular spiral coils. Closed-form expressions are presented for the (i) mutual inductance of the coils in air, (ii) change in mutual impedance for the coils above a conductive linear ferromagnet…
We have performed atomistic molecular dynamics simulations of linear (1-dimensional), planar (2-dimensional), and icosahedral (3-dimensional) clusters of C60 fullerenes in aqueous solution in order to investigate the influence of cluster geometry on their free energy of formation. As was found in our previous study of…
Metallic materials having good mechanical properties, high corrosion resistance, and good compatibility with biological materials are used as orthopedic devices. Type 316L stainless steel is the most widely used material for implant fabrication in India for orthopedic applications owing to their good corrosion resista…
We have analyzed and demonstrated surface-wave excitations, by propagating waves in air, at the interface between a truncated photonic crystal (PC) and a silver film in the near-infrared. The truncated PC was fabricated with several unit cells of alternating SiO(2) and Si(3)N(4) layers. The dispersion relation of surf…
The cytotoxicity of fullerene C60 particles on two mammalian cell lines, i.e. the Chinese hamster ovary (CHO) cells and the Madin-Darby canine kidney (MDCK) cells, has been investigated. Although innate fullerene particles have a very low solubility in deionized (DI) water, these particles can be dissolved in the tetr…
We show that polycrystalline $\mathrm{Co}∕\mathrm{FeMn}$ bilayers display two distinct forms of training effect. The two can be identified and separated via their distinctive field cycle and antiferromagnet thickness dependences, in addition to their influence on the magnetization reversal. One mode is due to the biax…
Atmospheric pressure plasma treatments have attracted attention for various application processes. The effect of O2 additions below 0.2% to N2 was investigated for the efficiency of removing organic contaminants on a glass surface using nonequilibrium atmospheric-pressure pulsed plasma. A remarkably high efficiency of…
Intrinsic optical transitions of lower Davydov excitons in thiophene/phenylene co-oligomer (TPCO) crystals were investigated. Lower Davydov excitons are either optically allowed or forbidden depending on the number of thiophene rings constituting the TPCOs. The TPCO molecules are orientated nearly parallel to each oth…
Elastic constants, the bulk modulus, Young’s modulus, band-gap bowing coefficients, spontaneous and piezoelectric polarizations, and piezoelectric coefficients of hexagonal AlxGa1−xN ternary alloys are calculated using first-principles methods. The fully relaxed structures and the structures subjected to homogeneous b…
Cu nanowires with widths ranging from 110 to 300 nm were fabricated on a c-plane sapphire substrate using E-beam lithography and lift-off processes. Thermal annealing of these polycrystalline metal nanowires at 700 °C in an inert (nitrogen) atmosphere showed that for lines of width 160 nm or less, there was complete b…
A cyclometalated platinum(II) 4,6-diphenyl-2,2'-bipyridyl pentynyl complex (1) has been synthesized and structurally characterized. Its photophysical and third-order nonlinear optical properties have been systematically investigated. This complex exhibits a metal-to-ligand charge-transfer (1MLCT) absorption band betwe…
Perpendicularly anisotropic L10-ordered FePt-SiO2 granular films with an average grain size of 15 nm and a relatively narrow size distribution were prepared by cosputtering Fe, Pt, and SiO2 on MgO (001) substrates at 700 °C. By reducing the substrate temperature to 500 °C, the average grain size was further refined to…