co-doping
Electrochemical Performance study of Metal ions co-doping in B-site of LTO Anode Material
... ion co-doped LTO powders have been successfully ...ion co-doped materials have good crystallinity and high phase ...the co-doping amount, the lattice parameter is observed almost ...
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Effect of Co Doping on Structural and Optical Properties of Zinc Oxide Nanoparticles Synthesized by Sol Gel Method
... regarding doping [9]. The intensity behind doping is to modify the properties of ...spintronics, doping of transition metal ions such as Ni, Co, Mn, and Ni are carried out by the researchers ...
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Arsenic and Chlorine Co Doping to CH3NH3PbI3 Perovskite Solar Cells
... tage characteristics and incident photon-to-current conversion efficiencies were improved by the co-doping of As and Cl to the perovskite phase, which also indicated an energy gap of 1.57 eV. X-ray ...
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Thermoluminescence properties of strontium-copper co-doping lithiun-borate glass for ionizing radiation application
... system co-doped with Cu, P, Na and Mg. The optimum concentration for doping and co-doping is evaluated in terms of TL response of this glass ...Cu co- doped glass sample that give ...
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Aluminum Co Doping Method to Increase the Boron and Phosphorous Concentration Limits Allowed in Silicon Feedstock for Solar Cells
... Figure 4 shows the resistivity measured at various points along the ingot height. We can see that the measured resis- tivity of P-B-Al-compensated Si ingot ranges from 0.9 to 2.7 Ωcm, a proper range for the fabrication ...
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Synthesis and Improvement of Li-Mn Spinel by Multiple Co-doping
... . Doping by metal element (Li,Mg,Ni,Al,Cr,Fe, and so on) or by anion ions (Cl and F) has been proved to be one very good method to improve the cycling stability of LiMn 2 O 4 [8,9, ...11-22]. ...
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Investigation of effects of co doping on the electrochemical behaviour of double pervoskite oxide Sr2MgCrO6 δ as an anode material for solid oxide fuel cells
... by Co doping in the Mg site. The weak Co-O bond is responsible for the increased ionic conductivity, which leads to more oxygen vacancies and lower activation energies for oxygen ion ...resistance. ...
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Effect of co doping on structural and optical properties of zno thin films prepared by chemical spray pyrolysis method
... that Co doping did not change the crystal structure of the ZnO samples which implies that there were no secondary phases such as Co clusters or ...of Co doping which was not enough for ...
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Ceria co doping: Synergistic or average effect?
... We point out that our investigation has left out a series of factors, such as long-range cation ordering, grain boundaries, impurities, etc., that might also affect the total conductivity of these materials. This was done ...
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Influence of ZnO Co-Doping On the Structural, Optical, and Antibacterial Properties of (Zn1-2xcexfex) O Nanoparticles
... Fig. 4 exhibits the photoluminescence spectra of undoped and co-doped ZnO samples taken at room temperature employing the excitation wavelength of 325 nm. The visible or deep trap state emissions (424, 458, 483, ...
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Improvement of High temperature Creep Resistance in Polycrystalline Al2O3 by Cations Co doping
... High-resolution electron microscopy (HREM) was per- formed to observe the grain boundary structure using a JEOL-2010 field-emission-type electron microscope. Chemi- cal analysis was carried out by an X-ray energy ...
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Effect of GeO2 and NdO1 5 Co doping on High temperature Ductility in TZP
... carefully investigated so far, but there are no descriptions of the dependency on type or amount of impurities. In our previous study, the superplastic behavior in 1 mol% cation- doped TZP was systematically ...
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Performance of Manganese and Antimony co-doping Tin Dioxide Anodes Prepared at Different Temperatures
... potentials of the electrodes were decreased and the cost increased at the same time. So to find cheaper and efficient dopants is still a hotspot in this field. Manganese is one of the most widely distributed elements in ...
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Influence of Ag+ Fe Co-doping on the Antibacterial Properties of ZnO Nanopowders Synthesized by Combustion Method
... (Ag+Fe) doped ZnO nanopowders have been synthesized using combustion method. Ag doping level was kept as 2 at.% and Fe doping level was varied from 3 to 6 at.% and the structural, optical, surface ...
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Study of Co-doping on Luminescent Properties of Strontium Cerium Oxide phosphor
... Ce 4+ charge transfer 4-8 . The broad emission band is proper for the doping of rare earth ions in pursuing new luminescent materials. The blue phosphors are very few and if a suitable blue phosphor is found then ...
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Structural, optical and thermal studies of cobalt doped hexagonal ZnO by simple chemical precipitation method
... via Co doping, so that some of the excited electrons in the conduction band relax to the defect states which leads to decreasing in UV emission intensity ...
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Excellent cycling performance of LiMn1.92Al0.04Si0.04O4 nanorods as cathode material for lithium-ion battery
... The analysis was carried out for both the structures and morphologies of all these samples obtained through the employment of X-ray powder diffraction (XRD) and scanning electron microscopy (SEM). Then, with regard to ...
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The Effects of Magnetic Dopant on the Structural and Electrical Properties in Superconducting YBaCu3O7 δ Ceramic
... 6% Co, are shifted to higher 2 θ values which may be due to the stress of first ...by Co doping, where the intensities of the planes are larger for the pure sample as compared with the doped samples, ...
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Preparation and Characterization of Fe3+, La3+ Co-Doped Tio2 Nanofibers and Its Photocatalytic Activity
... nanofibers co-doped with metal ions were obtained by high temperature calcination of the organic/inorganic composite ...after co-doping and ...
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Analysis of oxygen vacancy in Co doped ZnO using the electron density distribution obtained using MEM
... the Co-doping concentration) to differences in crystallinity was assumed to be negligible because all powder samples were post-annealed at both 300°C and 800°C [17,29], which would relieve any lattice ...
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