The Influence of Ni-Doping on Structure and Magnetic Properties of La_0.67Ba_0.33MnO₃

Abstract:

The hole doped manganites of perovskite structure have attracted great interest in the scientific community because of the rich physical behavior. In this work, we report the influence of Ni-doping on structure and magnetic properties of La_0.67Ba_0.33Mn_1-xNi_xO₃ (x = 0, 0.02, 0.04, and 0.06). Four basic materials La₂O₃, BaCO₃, MnCO₃, and NiO are mixed with Planetary Ball Milling during 25 hours, then calcinations on 800°C during 10 hours, compacted, and continued with the process of sintering temperature of 1200°C for 2 hours. Samples were characterized using XRD (X-Ray Diffraction) then refinement by GSAS software. Refinement results showed samples with various x = 0 to x = 0.04 are single phase with monoclinic crystal structure, while the sample with x = 0.06 there are variations in two phases namely monoclinic and hexagonal phases. Magnetic properties of materials La_0.67Ba_0.33Mn_1-xNi_xO₃ characterized by permagraph. Hysteresis loops results showed that the samples La_0.67Ba_0.33Mn_1-xNi_xO₃ are soft magnetic materials, with prices declining saturation with increasing value of x in the sample.

• Periodical: Advanced Materials Research (Volume 896)
• Pages: 406-409
• DOI: https://doi.org/10.4028/www.scientific.net/AMR.896.406
• Online since: February 2014
• Authors: Sitti Saptari Ahmiatri*, Azwar Manaf, Budhy Kurniawan
• Keywords: La_0.67Ba_0.33Mn_1-xNi_xO₃, Magnetic Property, Structure

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