Weak room temperature ferromagnetism and ferroelectric behavior in sonochemically synthesized bismuth and iron codoped SrTiO3 nanoparticles

• Undoped and Bi3+/Fe3+ single as well as codoped SrTiO3 synthesized sonochemically.
• Spherical nanoparticles were obtained.
• Room temperature ferromagnetism observed in Bi3+/Fe3+ doped SrTiO3.
• Bi3+/Fe3+ doped SrTiO3 also exhibits ferroelectric nature at room temperature.

Bi3+/Fe3+ single as well as codoped SrTiO3 nanoparticles have been synthesized using a facile sonochemical method. Magnetic and ferroelectric properties of the samples have been studied and it has been observed that Bi3+/Fe3+ codoped samples exhibit weak room temperature ferromagnetism as well as ferroelectric behavior.

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