نتایج جستجو برای: cu doped zns
تعداد نتایج: 110881 فیلتر نتایج به سال:
Effects of Cu on the microstructural and mechanical properties of sputter deposited Ni-Ti thin films
The microstructure of sputter deposited Ti-rich Ni-Ti thin films doped with Cu in the range 020.4 at.% and annealed for 1 h at 500 and 600°C has been investigated and correlated with the mechanical properties of the films measured by depth-sensing nanoindentation. X-ray diffraction analysis showed the microstructural evolution of Ni-Ti thin films when doped with Cu and annealed at different tem...
Single-crystal, Cu-doped In x Ga1 - x N nanowires were grown on GaN/Al2O3 substrates via a vapor-liquid-solid (VLS) mechanism using Ni/Au bi-catalysts. The typical diameter of the Cu:In x Ga1 - x N nanowires was 80 to 150 nm, with a typical length of hundreds of micrometers. The as-grown nanowires exhibited diamagnetism. After annealing, the nanowires exhibited ferromagnetism with saturation ma...
The electronic structure of BaFe2As2 doped with Co, Ni, and Cu has been studied by a variety of experimental and theoretical methods, but a clear picture of the dopant 3d states has not yet emerged. Herein we provide experimental evidence of the distribution of Co, Ni, and Cu 3d states in the valence band. We conclude that the Co and Ni 3d states provide additional free carriers to the Fermi le...
Transition metal (Co, Ni, Ru, Rh, Pd and Pt) doped Cu(111) models are selected to examine the effects of transition metals on Cu surface for ethanol synthesis from acetic acid hydrogenation using density functional theory (DFT) calculations. On these surfaces, the adsorption of the main intermediates and reaction barriers of key elementary steps are investigated. The calculation results indicat...
In this article, the role of copper (Cu) as a redox additive and dopant on the performance of Polyaniline (PANI) based supercapacitor was thoroughly investigated. The electrochemical properties of PANI in H2SO4, H2SO4+CuSO4 and Cu doped PANI in H2SO4 were studied using Cyclic Voltammetry (CV) and Impedance Spectroscopy (IS). The CV result indicates that the capacity of PANI in H2SO4 was signifi...
The presence of anglesite (PbSO4) in complex sulfide ores negatively affects the separation Cu-Pb sulfides and sphalerite (ZnS) due to lead activation, PbSO4 rejected tailings dams contaminates surrounding environment with lead. To address these problems, this study investigated application ethylene diamine tetra acetic acid (EDTA) pretreatment extracting ZnS flotation recovery extracted Pb2+ a...
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