Materials Literature
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The electron mean free path λ and carrier relaxation time τ of the twenty most conductive elemental metals are determined by numerical integration over the Fermi surface obtained from first-principles, using constant λ or τ approximations and wave-vector dependent Fermi velocities vf (k). The average vf deviates consi…
The possibility to synthesize SbSBr and SbSI1-xBrx in a dilute hydrochloric acid solution was shown. Conversely to the SbSI, synthesis of SbSBr and SbSI1-xBrx in this solution requires an excess of bromide-anions, higher temperature and prolonged duration of chemical reaction. The final products were characterized by…
Abstract The structural and elastic properties of perovskite crystals can be independently calculated by using first principles calculations without bias. The detailed calculation of cubic perovskite ( Pm 3 m ) crystal by first‐principles calculations both LDA and GGA approaches was shown, using SrTiO 3 as an illustra…
In this paper, a high sensitivity zero-biased magnetic field sensor based on multiphase laminate heterostructures consisting of FeCuNbSiB/Terfenol-D (Tb1−xDyxFe2)/PZT (Pb(Zr1-x,Tix)O3)/Terfenol-D/PZT/Ternol-D/FeCuNbSiB (FMPMPMF) is presented, whose ME coupling characteristics and sensing performances have been investi…
Silica films with controlled thickness and wettability have been formed by sequential adsorption of colloidal silica nanoparticles and a cationic polyelectrolyte (poly(allylamine hydrochloride) or poly(diallyldimethylammonium chloride)) was used as the binding agent. Whatever be the conditions used, the structure of f…
The influence of corona discharge on the electret and charge state of nanocomposites based on isotactic polypropylene and zirconia dioxide nanoparticles has been investigated. It is shown that in the process of polarization under the influence of corona discharge charges are accumulated at the interface.These charges…
Ag1–2xSr2xNbO3 solid solution ceramics were studied for the Sr concentration range 0≦x≦0.5. We investigate the phase transition behavior and dielectric properties of Sr-doped with different concentrations using XRD, DSC and dielectric measurements. The results show that with increasing Sr content, the phase transition…
An in-depth understanding of the growth process of single walled carbon nanotubes is of vital importance to the control of the yield of the material and its carbon structure. Using a nickel/silica (Ni/SiOx) catalyst we have conducted a series of growth experiments with a chemical vapour deposition (CVD) system. We fin…
A series of hierarchically structured porous silica sphere (HSPSS) materials are successfully fabricated by a facile, one‐step microemulsion/vesicle bimodal method in a multicomponent microemulsion system of P123/n‐butanol/1,3,5‐trimethylbenzene/KCl/H 2 O (surfactant/cosurfactant/oil/salt/water). The pore structures o…
Utilizing the comparatively low cost niobium pentoxide (Nb2O5) as raw material, (K,Na)NbO3(KNN) thin films were deposited onto Ti substrate by a sol–gel non-alkoxide process. The effects of annealing temperature on the phase, morphology, dielectric, and ferroelectric properties of KNN thin films were investigated. KNN…
Keywords: engineered nanoparticles, personalized medicine, risk assess-ment, modeling, structure-activity relationship, quantitative nanostruc-ture-toxicity relationship, multilayered theranostic ENP, high throughput screening, high content screening translational medicine, nanomedicine 11.1 IntroductionMultilayered,…
Vacuum ultra-violet-excimer lamp effect on cellulose fiber was studied to examine the effect on surface chemistry of cellulose. We focused on composition of a superficial layer of cellulose, which was studied by X-ray photoelectron spectroscopy and Fourier-transform infrared spectroscopy. Along with the surface compos…
We studied the magnetic interaction between circular Janus magnetic particles suspended in a Newtonian fluid under the influence of an externally applied uniform magnetic field. The particles are equally compartmentalized into paramagnetic and nonmagnetic sides. A direct numerical scheme is employed to solve the magne…
The development and implementation of nanomaterials (NMs) is rapid and a vast range of applications is already in place or foreseen.[...]
The adsorption of polymer on colloidal particle has significant influence on colloid structure and dynamics. Here we introduce a new method to monitor the adsorption in situ, based on the different emission behavior of aggregation-induced emission (AIE) luminogen in different micro environments. Poly(vinyl alcohol) (P…
A new spectroscopic technique is presented, with which environmentalchemistry-induced thermal emissivity changes of thin films are extracted with high isolation through evanescent tunneling. With this method the hydrogen-induced emissivity changes of films of TiO2 , Pd-TiO2 , and Au-TiO2 , with properties of high cond…
ZnO nanostructures were grown by pulsed laser deposition on planar ZnO with different surface polarities. While for planar layers of pulsed laser deposited ZnO polarity control is feasible, the polarity relation of ZnO nanostructures to their substrate layers is not yet investigated. Depending on the polarity of the n…
Abstract The effect of passivation films on a Si quantum dot superlattice (QDSL) was investigated to generate high photocurrent in solar-cell applications. Three types of passivation films, sputter-grown amorphous silicon carbide (a-SiC), hydrogenated a-SiC (a-SiC:H), and atomic-layer-deposited aluminum oxide (ALD-Al…
Abstract The high p-type conductivity in Cu-excess CuAlS 2 reported from a recent experimental paper is not well understood as it is not supported by earlier theoretical studies. We found that Cu can be heavily doped at the Al site and can form compensated defect bands to shift up the valence band, leading to shallow…
Ferroelectric/ferroelastic domain reorientation was measured in 2.0 μm thick tetragonal {111}‐textured PbZr 0.30 Ti 0.70 O 3 thin films using synchrotron X‐ray diffraction ( XRD ). Lattice strain from the peak shift in the 111 Bragg reflection and domain reorientation were quantified as a function of applied electric…