Cairo University

MTPR Journal


Influence of B-site cation size variation of the physical properties of a canted AFM La0.7Sr0.3Fe1-xNixO3 multiferroic samples

& doi:
M. A. Ahmed*, N. Okasha, and A. Abd Elazim

Multiferroic La0.7Sr0.3Fe1-xNixO3; 0.0 ≤ x ≤ 0.2 nanometric samples were successfully synthesized using citrate-nitrate autocombustion method and their properties were systematically studied. All the samples were crystallized in a perovskite structure. The Goldschmidt tolerance factor for the perovskite decreased from 0.91 for La0.7Sr0.3FeO3 to 0.86 for La0.7Sr0.3Fe0.8Ni0.2O3 confirming that the crystal structure is orthorhombic. All the magnetic parameters such as effective magnetic moment (µeff), molar magnetic susceptibility (χM), and room temperature magnetization (MRT) decreased as Ni content increased, while the Néel temperature indicates the highest value (834 K) at x= 0.1.