[PDF] Top 20 El arte musical en el rendimiento escolar de los estudiantes del subnivel medio

... representing specific crystallographic hkl plane gradually shifted either to higher or lower 2 θ angles with the change in Zinc content in the ...different current density values ...linear ... See full document

... method. XRD studies show that the prepared Al-ZnO thin films are polycrystalline nature by Wurtzite hexagonal ...The FESEM analysis shows the spherical growth of undoped and Al doped ZnO thin ... See full document

... alternating current (AC) field does not induce undesir- able eddy currents in an insulating material [10] ...[11]. Properties of ferrites are dependent upon several factors such as composition, a method of ... See full document

... Ag nanoparticles-loaded ZnO nanorods array were grown on a FTO substrate surface via a two-step processes. Namely growth of ZnO nanorods array on FTO surface and attachment of Ag nanoparticle onto the ZnO nanorods ... See full document

... XRD patterns of the NiO films at different molarities are shown in Figure (2). It can be noticed that all the patterns exhibit diffraction peaks around (2θ~37 ο , 43 ο and 63 ο ) referred to (111), (200) and (220) ... See full document

... gave optical band gap value as shows in Figure ...that optical band gap decreased with the additional of non- bridging oxygen (NBO) in the TeO-ZnO system ... See full document

... at current density less than 40 mA/cm 2 (≤40 mA/cm 2 ) while fcc phase is dominant in the film deposited at current density of 50 mA/cm 2 ...electrodepositing current density ... See full document

... The XRD patterns of the polymer thin films were recorded using an X-ray Diffractometer. The diffraction data were taken at room temperature with the Bragg’s angles (2θ) varying from 10 to 80 degrees. SEM ... See full document

... As tellurite glass are resistant to atmospheric moisture, this allows the incorporations of large concentration of rare-earth ions into the matrix (Nageno et.al, 1993). The rare earth doping into tellurium based glass ... See full document

... Shimadzu-Japan), structural study was done using Siemen D5000 XRD ...morphological studies was accomplished via high resolution SEM (Zeiss/LEO 1550, USA), while the photoelectrochemical ... See full document

... field effect transistors, light emitting diodes [3-4], optical window solar cells [1-2], photocatalysis and biological sensors [5-6] optical coding, optical data storage and sensing [7], ... See full document

... shown in Fig. 3 (due to the similarity of the profiles of DOS with GGA and LDA, the displayed optical properties are the results with LDA). It is found that the dielectric functions show a significant ... See full document

... The structural and optical properties of these Visible ...The XRD results showed that all films are polycrystalline in nature with Hexagonal structure and preferred orientation along 03) ... See full document

... Fig.2. (a) gives a typical plot of mass of metal deposit at various amperes of current levels at two different positions of the Anode .The values of TP, CE were studied. The mass rate of deposition was calculated ... See full document

... nanocatalyst. Optical and structural properties were discussed. XRD studies show that as the grain size increases, the dislocation density ... See full document

... Hall Effect measurement system with Van der Pauw configuration was employed to characterize the electrical properties and carrier concentrations of the ... See full document

... and optical properties of a SnO2 sample were investigated The XRD pattern of the prepared sample is indexed to the tetragonal structure of SnO2, and the calculated particle size in the range ...The ... See full document

... The optical band gap has been determined from the absorption ...the optical band gap energy decreases from ...the optical quality of Co 3 O 4 films is improved by ... See full document

... direction, then undergoes a phase transition into b- form in a preferential orientation (001) direction after annealing at 250 and 350°C. Furthermore it was shown that an increasing in the crystallite size (L) occurs ... See full document

... novel optical, electronic, magnetic, chemical, and structural properties that might find many impor tant technological ...The properties and applications of the nano-particles are largely ... See full document