Abstract

Li doped sodium-potassium niobate (Na0.5K0.5)1-yLiyNbO3 ceramic pellets, with y = 0 to 7 (mole) %, were prepared by solid state reaction method with double sintering. With varying lithium content (y), dielectric properties, and X-ray diffraction (XRD) peaks shifting pattern exhibit strong compositional dependence. Among the prepared Composition, a break in XRD peaks shifting tendency, and maximum dielectric constant, electric conductivity were obsreved at the composition with y = 0.06.

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