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Influence of (La, Cu) Doping on the Room Temperature Multiferroic Properties of BiFeO3 Ceramics

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Abstract

A series of Bi1-x La x Fe0.98Cu0.02O3 (x = 0.01, 0.03 and 0.05) ceramics were synthesized by sol–gel method. The prepared ceramics were characterized by X-ray diffractometer (XRD), vibrating sample magnetometer (VSM) and dielectric measurement. XRD patterns reveal that Bi1-x La x Fe0.98Cu0.02O3 (x = 0.01, 0.03 and 0.05) ceramics crystallize in single-phase rhombohedral structure with R3c space group without distortion, and the average crystallite size was in the range of 31–92 nm. VSM exhibited a weak ferromagnetism for La- and Cu-co-doped BiFeO3 ceramics. The squareness ratio of the hysteresis loop decreases as La concentration increases in Bi1-x La x Fe0.98Cu0.02O3. However, these materials show improved dielectric properties compared to undoped BiFeO3 ceramic.

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Authors and Affiliations

  1. Department of Physics, B. S. Abdur Rahman University, Chennai, Tamil Nadu, India

    A. Sathiya Priya & I. B. Shameem Banu

  2. Division of Chemistry, Department of Science and Humanities, Vignan’s University, Guntur, Andhra Pradesh, India

    Murthy Chavali

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  1. A. Sathiya Priya
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  2. I. B. Shameem Banu
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  3. Murthy Chavali
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Correspondence to A. Sathiya Priya.

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Priya, A.S., Banu, I.B.S. & Chavali, M. Influence of (La, Cu) Doping on the Room Temperature Multiferroic Properties of BiFeO3 Ceramics. Arab J Sci Eng 40, 2079–2084 (2015). https://doi.org/10.1007/s13369-015-1668-z

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  • DOI: https://doi.org/10.1007/s13369-015-1668-z

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