Materials Literature
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Abstract The mechanism of formation of initial condensate droplets for dropwise condensation in the nanometer scale is still undetermined. In this paper, magnesium was used as the condensation surface since it can react with condensate to produce magnesium hydroxide, which can be regarded as the marker of the initial…
This paper is about the study of catalytic effect of nanolayered montmorillonite- (MMT-) based organoclays (OCs) in epoxy polymer by directly monitoring their exothermic temperature versus time during curing. Untreated clays (UCs) of MMT were also filled in the epoxy polymer for comparative study. OCs and UCs were ind…
In this work, we investigated structural, electrical, and magnetic properties of ferroelectric PbZr0.2Ti0.8O3 (PZT) and ferrimagnetic/ferroelectric [CoFe2O4(CFO)/PZT] bilayers grown on (100)LaAlO3 (LAO) substrates supplied with bottom 50 nm thick LaNiO3 electrodes. Interestingly, structural and electrical properties o…
Abstract Eine neue Methode zur modellbasierten Optimierung der zeitabhängigen Harnstoffdosierung für SCR‐Katalysatoren (Selective Catalytic Reduction) wird präsentiert. Es werden Dosierprofile für zwei verschiedene Katalysatoren (Fe‐ und Cu‐Zeolith) berechnet. Dabei zeigt sich, dass die relative Leistungsfähigkeit der…
Summary: The objective was to define the mechanism of the growth inhibition of active hexose correlated compound (AHCC) alone and evaluate its activity in combination with pegylated liposomal doxorubicin (PLD). Scientific Methods: In vitro growth inhibition assays were completed with AHCC alone and in combination with…
This work describes a novel bearingless slice motor concept. Being the first bearingless slice motor without permanent magnets in the rotor but in the stator, this magnetically suspended drive system is most suitable for disposable devices in the biomedical, chemical or food industry. Due to the fact that the rotor ho…
Potential-pH Diagrams for Oxidation-State Control of Nanoparticles Synthesized via Chemical Reduction
In the present work, thermodynamic study of adsorption of Amaranth dye on to steam activated pigmented carbon prepared from ricehusk (B.N. ORYZA SATIVA) was investigated The adsorbent was investigated under variable system parameters, such as intra particlediffusion and temperature. The results of the present study ha…
Porous silicon photonic crystals with microcavities were fabricated and oxidized thermally to apply them as sensor devices. It has been found that the devices oxidized thermally over longer periods than 10 minutes are not suitable to be used as sensor devices, because they lose the features of its photonic band gap an…
Piezoresponse force microscopy (PFM) is commonly used for studying the polarization domain pattern in ferroelectric materials. Generally, lateral PFM images are recorded at least twice (along two orthogonal directions), in addition to the vertical data, in order to fully specify the orientation of the spontaneous pola…
Interfacial microstructure tunable photovoltaic effects have been reported in heterojunctions of La(1-x)Ca(x)MnO(3) thin films and tilted or exact cut Nb-doped SrTiO(3) single crystal substrates under irradiation of UV pulsed laser. The photoresponse times of vicinal junctions and films were obviously faster than thos…
Cu80Co20 granular alloy nanowires were synthesized by electrodeposition method and investigated by x-ray diffraction (XRD), Laser Assisted Wide Angle Tomographic Atom Probe (LAWATAP), and SQUID magnetometry. XRD results reveal the existence of a fcc Cu matrix and fcc Co-rich nanograins, with a preferred orientation al…
Phase diagrams of multicomponent systems provide full information on the thermodynamic compatibility of components in wide concentration and temperature ranges. One of the first phase diagrams of polymer-solvent systems was published by Papkov et al., (1937), Rogovin et al. (1937 In 1941, the works of Tager & Kargin (…
The electromagnetic forces due to the interaction of harmonic rotor and stator fields of various origins such as slotting, saturation, eccentricity and harmonics of the supply voltage due to inverter operation in induction machines are introduced. A modal analysis has to be done to judge, if these forces excite vibrat…
The present paper focuses on the study of novel blends based on poly(3-hydroxybutyrate) (PHB) and polymers with different hydrophilicity (LDPE and PA). Polymer blends were produced from five ratios of PHB/LDPE in order to regulate the resistance to hydrolysis or (bio)degradation through the control of water permeabili…
Even if supercapacitors present a reduced energy density, they enable to store a significant amount of energy, which leads to a significant autonomy for applications with reduced energy needs. The main advantage of supercapacitors is there to compensate a limited autonomy by frequent and fast charge processes. This co…
We report on the growth of AlGaInP quantum dots (QDs) with Al contents between 0% and 10% on GaP substrate by gas-source molecular beam epitaxy and the investigation of their morphological and low temperature photoluminescence properties. These high areal density QDs show short wavelength emission between 575 and 612…
We experimentally studied the melting of colloidal crystals composed of diameter-tunable microgel spheres by bright-field and confocal video microscopies at the single-particle level. Thick (> 4 layers) and thin (≤ 4 layers) films exhibited dramatically different melting kinetics. Thick films melted heterogeneously fr…
The Dynamic Voltage Restorer (DVR) is a custom power device connected in series with the load, which can control the voltage applied to the load by injecting a voltage of arbitrary amplitude, phase and harmonic component into the line. The conventional hysteresis voltage controller of DVR is simple to implement and ha…
Magnetic gears have attractive features such as low acoustic noise and maintenance-free operation in comparison with conventional mechanical gears. Planetary type magnetic gears, especially, have higher transmission torque than the other types. Therefore, the magnetic gears are expected to be put into practical use. T…