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In this paper, the cation size disorder effect of the A-site on the structural properties of the SrAFe-TiO6 (A = La, Pr or Nd) was investigated. The compounds were synthesized—as the best of ourknowledge—for the first time by conventional and precursor method to get crystalline materials.The results obtained from the experimental measurements carried out on new double perovskitematerials were presented. The data of X-ray diffraction (XRD), Fourier Transform Infra Red FTIRwere measured at room temperature. From the X-ray diffraction, and by means of standard Rietiveldmethod, all the samples have the same structure (orthorhombic) with Pnma space group. Thedifference in the tolerance factor is clearly noticed and refers to the cation size disorder at theA-sites. The Fourier Transform Infra Red FTIR measurement has been done; the results of it confirmthe double perovskite structure and the difference between the samples were noticed. Thetolerance factors for the samples altered from SrLaFeTiO6 up to SrNdFeTiO6 and this differencereturn to ionic radius and cation size effect.

journal of materials science and chemical engineering

Effect of the Cation Size Disorder at the A-Site on the Structural Properties of SrAFeTiO&amp;lt;SUB&amp;gt;6&amp;lt;/SUB&amp;gt; Double Perovskites (A = La, Pr or Nd)