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The utilization of CaCO3 as a dopant to TiO2 is studied and its effects are compared to those of Al2O3 and Li2CO3. The dielectric properties of the system have been exploited in the frequency range 1 MHz-1 GHz in order to obtain permittivity data of materials having high-κ' and low loss. The X-Ray Diffraction technique was employed for the evaluation of the anatase-to-rutile (A-R) phase transition...
In the present study, the effect of nickel nanoparticle doping on the dielectric properties of lead bismuth niobate zirconate titanate, P(BN)ZT solid solution were investigated. P(BN)ZT powder doped with nickel in the composition of (1-x) PBNZT-xNi when x = 0.00, 0.02, 0.04, 0.06, 0.08 and 0.1 percent by mole. P(BN)ZT doped with nickel powder were calcined at 900??C for 2 h and sintered at the temperature...
Titania has attracted considerable attentions for its important role in piezoelectricity application. Additionally, lanthanide ion doped titania behaves increased piezoelectricity performance for some systems. It is critical to assess the local environment of lanthanide ions in titania, which will allow greater control over the desired properties. In this work, TiO2 nanoparticles doped with erbium...
Fe 3+ -doped SnO 2 nanoparticles were prepared by sol–gel-calcination and sol–gel-hydrothermal routes, respectively, and their microstructure as well as physical and chemical properties have been characterized and compared. Based on XRD, TEM, and Fourier transform infrared (FT-IR) analyses, the SnO 2 crystallites with the tetragonal rutile structure formed directly during a...
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