Showing papers in "Superlattices and Microstructures in 2013"

TL;DR: In this paper, powder X-ray diffraction (XRD), high resolution scanning electron microscopy (HR-SEM), energy dispersive Xray analysis, UV-Visible diffuse reflectance spectra (DRS), photoluminescence (PL) spectra and vibrating sample magnetometer (VSM).

TL;DR: In this article, the electronic sensitivity of pristine and Al-doped BN sheets to para-nitrophenol (p -NP) by using density functional calculations was investigated, and it was found that p -NP adsorption on the pristine sheet is endothermic and unfavorable.

TL;DR: In this article, a sonochemical method based on modified Stober process was used to synthesize spherical silica nanoparticles in the presence of organic Schiff base ligand (Salpn-NO2).

TL;DR: In this article, the effect of tin doped zinc oxide (ZnO:Sn) thin films were deposited onto Pyrex glass substrates by chemical spray pyrolysis technique starting from zinc acetate (CH3CO2)2Zn⋅2H2O and tin chloride SnCl2.

TL;DR: In this article, the structure and morphology of Co3O4 nanoparticles were characterized by X-ray diffraction, Fourier transform infrared spectroscopy, transmission electron microscopy and the N2 adsorption-desorption techniques.

TL;DR: In this article, a hierarchical multilayered tree-like Bi2WO6 structure was successfully synthesized by a simple hydrothermal method at 180°C for 24h.

TL;DR: In this paper, the structural, morphological, optical and magnetic properties of the as-prepared nanoparticles were investigated by X-ray diffraction (XRD), transmission electron microscopy (TEM), UV measurements and superconducting quantum interference device (SQUID).

TL;DR: In this paper, Nb doped SnO2 transparent conducting thin films were deposited by spray pyrolysis method and examined as a function of niobium (Nb) doping, in the range from 1.0% to 4.0%.

TL;DR: In this article, the effects of external electric and magnetic fields, and hydrostatic pressure on the refractive index changes and optical absorption coefficients of a hydrogenic impurity confined in a two-dimensional parabolic quantum dot are studied.

TL;DR: In this paper, the influence of Fe doping on the structural, optical and magnetic properties of ZnO thin films was investigated and it was shown that the films are polycrystalline and textured with c-axis of the hexagonal structure along the growth direction.

TL;DR: In this article, a GNR field effect transistor (FET) using lightly doped drain and source (LDDS) between intrinsic channel region and highly doped source and drain regions is investigated.

TL;DR: In this article, Nanocrystalline tin-doped zinc oxide (ZnO:Sn) films with different Sn doping levels were fabricated using a simplified spray pyrolysis technique, and all the deposited films were characterized in order to explore the influence of Sn doping level on antibacterial and certain physical properties.

TL;DR: In this paper, a 3D hierarchical multilayer multi-layered flower-like assembly was synthesized by a hydrothermal method at 180°C for 24h.

TL;DR: In this paper, a perovskite LaFeO 3 NPs with perov-skite type phase has been synthesized with water-in-oil (W/O) microemulsion consisted of water/dioctyl sulfosuccinate sodium (aerosol-OT)/isooctane at room temperature.

TL;DR: In this article, the effects of the molar ratio of stabilizer on structural and optical properties of ZnO nanocrystalline films have been investigated and the results of the absorption coefficient were analyzed in order to determine the optical band gap of the films.

TL;DR: In this article, the effect of various doping concentrations on electrical and optical properties were investigated by 4-point probe device and UV-VIS spectroscopy, respectively, and the carrier concentration and carrier mobility of the doped ZnO thin films were also calculated and discussed.

TL;DR: In this paper, the structural, optical and ferroelectric properties of copper oxide nanostructures synthesized by hydrothermal method at different selected pH values ranging from 4 to 12 were reported.

TL;DR: In this paper, the authors investigated the electrical properties of the Cr/ n -type Si (MS) Schottky barrier diode using the thermionic emission theory and obtained the values of ideality factor and the barrier height.

TL;DR: In this article, the structural, optical and electrical properties of ZnO thin films were investigated and compared systematically using X-ray diffraction (XRD), XPS, scanning electron microscope (SEM), Raman spectroscopy, photoluminescence (PL) and UV measurements.

TL;DR: In this paper, the photocatalytic activity of WO 3 loaded Ag-ZnO (WO 3 -Ag-Zno) was investigated for the degradation of Naphthol Blue Black (NBB) in aqueous solution using solar light.

TL;DR: In this paper, the effect of a Schiff-base ligand (N,N′-ethylenebis(acetylacetone iminato)dianion = acacen) on size and optical properties of TiO 2 nanoparticles in a two-step sol-gel method was investigated.

TL;DR: In this paper, an Au/Anthracene/n-Si/Al Schottky barrier diode was fabricated and it was found that the diode showed good rectification properties.

TL;DR: In this paper, the photocatalytic activities of degradation Rhodamine B dye under visible light over AgBr/ZnO catalyst were markedly enhanced compared with pure ZnO.

TL;DR: In this paper, the optical properties of anisotropic quantum dots with elliptical shape were investigated by using the variational method and the compact-density-matrix approach within the effective mass approximation.

TL;DR: In this article, CoMoO4 nanorods have been successfully synthesized by precipitation method using Co(C7H5O2)2⋅4H2O and (NH4)6Mo7O24⋆4H 2O as starting materials.

TL;DR: In this paper, an efficient and fast recipe of generating substantially monodispersed InP quantum dots via water-based route technique using a novel surfactant was presented, in which InP QDs have been prepared using 6-mercaptohexanoic acid for achieving an effective surface passivation of monodisperse InPQDs with highly luminescence at temperature 50°C.

TL;DR: In this article, the first principles computations using density functional theory (DFT) calculations at the M062X/6-311++G** level have been applied to scrutinize the adsorption behavior of amphetamine (AMP) molecule on the external surface of pristine, P-and Al-doped B12N12 nano-cages.

TL;DR: Zinc molybdate rod-like nanostructures have been successfully synthesized by precipitation method process and using a solid organometallic molecular precursor [bis(salicylaldehydato)zinc(II)], Zn(sal) 2, and (NH 4 ) 6 Mo 7 O 24 ·4H 2 O as starting materials as discussed by the authors.

TL;DR: In this paper, the junction characteristics of GaSe/n-Si diode were investigated in the temperature range 23-120°C and the I-V characteristics exhibit nonlinearity indicating Schottky contact at the GaSe and n-Si interface.

TL;DR: In this paper, the structural properties of undoped and Al-doped CdO thin films were studied by atomic force microscopy, and the optical transmittance of the films were decreased with increasing Al contents.