Materials Literature
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A corona discharge-assisted technique for spreading of a gently deposited dielectric droplet into a uniform thin film over a dry isothermal conductive substrate is proposed. The surface charge was built up over the droplet interface through ion bombardment using a sharp emitter electrode. Interaction of the surface ch…
Bending tests are commonly used for characterization of materials at the nanoscale. Beams are also key elements of nanomechanical and nanoelectromechanical devices. This paper is motivated by recent experiments of large deflections of chromium cantilevers and modeling based on the classical large deflection beam theor…
This paper investigates the origin and reduction of self-heating effects in single-crystal silicon-on-glass (SiOG) thin-film transistors (TFTs). A hump forms in the transfer characteristics of p-channel SiOG TFTs when the temperature of the devices is increased either by direct heating or electrical biasing. The size…
This paper describes an analysis of the damping of unbalanced magnetic pull (UMP) in salient pole synchronous machines due to parallel stator circuits. Measurements of the UMP and currents in the parallel circuits have been performed on a 12-pole generator with the stator displaced relative to the rotor, creating a st…
Abstract The surface quality of injection molded parts depends on the processing conditions, the cavity surface structure, the runner system, the used polymer and the part geometry. Different replication of the cavity surface structure to the molded part influences its surface function and visual appearance. A descrip…
Proopiomelanocortin is a precursor peptide that gives rise to several neuropeptides including adrenocorticotrophic hormone (ACTH) and β-endorphin. POMC-derived peptides have been shown to be synthesized in human epidermis where they modulate numerous skin functions. Because we previously observed that melanocortin rec…
A nanoparticle detection scheme with single particle resolution is presented. The sensor contains only a taper fiber, thus offering the advantages of compactness and installation flexibility. The sensing method is based on monitoring the transmitted light power which shows abrupt jumps with each particle binding to th…
We consider the Nernst-Ettingshausen (NE) effect in the presence of semiclassically strong magnetic fields for a quasi-two-dimensional system with a parabolic or linear dispersion of carriers. We show that the occurring giant oscillations of the NE coefficient are coherent with the recent experimental observation in g…
Using cross-sectional scanning tunneling microscopy and photoluminescence spectroscopy, the atomic structure and optical properties of submonolayer depositions of InAs in GaAs are studied. The submonolayer depositions are formed by a cycled deposition of 0.5 monolayers InAs with GaAs spacer layers of different thickne…
Abstract Micromolding with microscale surface features and thin-wall plates of polycarbonate polymer was performed with heat insulator molds using zirconia ceramic. Effects of process parameters on processability and surface replication of the molded optical parts such as anti-reflective plates were evaluated. Calcula…
Hydrogels are highly flexible network polymers being developed as scaffolds for tissue engineering and joint replacement. Their mechanical properties depend largely on their water content. To determine the associated mechanical and thermodynamic properties, we apply the new two-phase thermodynamics method (2PT) to sho…
Abstract Polyethylene wastes, particularly as films, have accumulated over the last several decades resulting in a major visual litter problem. The aim of this study was to investigate the ability of chemical reagents to oxidize the low‐density polyethylene (LDPE) film surface to increase their susceptibility toward p…
In this letter, we report on the fabrication and characterization of titanium dioxide (TiO2)-based resistive RAM (ReRAM) cointegration with 380 μm-height Cu through-silicon via (TSV) arrays for programmable 3-D interconnects. Nonvolatile resistive switching of Pt/TiO2/Pt thin films is first characterized with a resist…
We describe the synthesis, characterization, and film-forming properties of two-component nanoparticles that undergo a reversible morphology transformation in water as a function of pH. The particles consist of a high molecular weight acrylate copolymer and an acid-rich oligomer designed to be miscible with the polyme…
Antireflective ZnO nanorod arrays (NRAs) by a scalable chemical method have been applied for InGaN-based multiple quantum well solar cells. The length of the NRAs plays an important role in photovoltaic characteristics. It was found that the 1.1-μm-long NRA results in enhanced conversion efficiency due to the suppress…
A series of supertetrahedral polymers of chalcogenometalates (T3 cluster compounds) integrated with M-phen complexes (phen =1,10-phenanthroline; M = Ni, Fe) was prepared by a similar solvothermal technique. Compound [Fe(phen)(3)](4)[H(4)In(20)S(38)]·Hphen·3HDMA·8H(2)O (Mp-InS-4) (DMA = dimethylamine) is a 1-D straight…
Carbon‐bonded carbon fiber (CBCF) composites are currently used for high‐temperature thermal insulation, but they can only be used under protective atmosphere or vacuum due to their limited oxidation resistance. High temperature stability may be improved by the addition of a protective coating of silicon carbide. The…
In the present paper, we have studied the propagation of axial symmetric cylindrical surface waves through rotating cylindrical bore in a micropolar porous medium of infinite extent possessing cubic symmetry. The frequency equation for surface wave propagation in the micropolar porous medium has been derived and liqui…
Eingewickelt: Ein antiparalleles doppelhelicales aromatisches Oligoamid-Foldamer bindet stabförmige Gastspezies verschiedener Länge durch Umwinden (siehe Schema). Kristallstrukturanalysen der Wirt-Gast-Komplexe im Festkörper zeigen, dass die beiden Stränge eine Schraubenbewegung gegeneinander ausführen, um den Abstand…
Abstract We study the effect of onium salts (benzyl triphenyl phosphonium chloride, BTPC; tetrabutyl ammonium perchlorate, TAP) on the crystallization of polyvinylidene fluoride (PVDF) from a melt. The β phase of PVDF crystals is polar and has excellent piezoelectric properties, in contrast to the nonpolar α phase. Pr…