Insights on the role of defects on the magnetic and magneto electric coupling effects in nano BiFeO 3
Journal of Alloys and Compounds, ISSN: 0925-8388, Vol: 897, Page: 162738
2022
- 4Citations
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Article Description
BiFeO 3 nanoparticles prepared through sol-gel route using citric acid are studied for their structural, magnetic and magneto-electric coupling effects and are compared with that of calcined BiFeO 3 particles prepared with tartaric acid as the fuel. Nanoparticles of BiFeO 3 prepared with the use of citric acid were observed to be more strongly ferromagnetic and weakly ferroelectric, as compared to that of the bismuth ferrite nanoparticles prepared using tartaric acid as the fuel.Magneto-electric coupling effects were studied in BiFeO 3 prepared by these methods using Raman spectroscopy. These results were further confirmed based on the direct experimental evidence in terms of the variation of polarization with respect to electric field (P-E loop) studies carried out in the nanoparticles of BiFeO 3 under the application of magnetic field.This study brought out new insights on the important role of defects for the observed variations in magnetic and hence magneto-electric coupling effects in BiFeO 3 nano particles prepared using different fuels, as elucidated based on the Mössbauer studies.
Bibliographic Details
http://www.sciencedirect.com/science/article/pii/S0925838821041487; http://dx.doi.org/10.1016/j.jallcom.2021.162738; http://www.scopus.com/inward/record.url?partnerID=HzOxMe3b&scp=85119896640&origin=inward; https://linkinghub.elsevier.com/retrieve/pii/S0925838821041487; https://dx.doi.org/10.1016/j.jallcom.2021.162738
Elsevier BV
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