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Sm/Ti co-substituted bismuth ferrite multiferroics: reciprocity between tetragonality and piezoelectricity

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Abstract

BiFeO3 (BFO) systems co-modified with Ti, Sm and Sm–Ti have been investigated for piezoelectricity together with dielectric and multiferroic properties. Structural studies revealed the coexistence of orthorhombic and rhombohedral (R3c) phases for x > 0.12. Impurity phases were shown to have hardly any effect on the remanent magnetization, which rather depends on the Fe–O–Fe bond angle. The dielectric loss was reduced considerably by substitution. A correlation between the piezoelectric coefficient and tetragonality was observed in these samples. BFO co-substituted with Sm–Ti exhibited a high piezoelectric coefficient with better ferroic properties, which revealed a unique combination of green piezoelectricity and multiferroicity.

Graphical abstract: Sm/Ti co-substituted bismuth ferrite multiferroics: reciprocity between tetragonality and piezoelectricity

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Publication details

The article was received on 23 Mar 2017, accepted on 05 Sep 2017 and first published on 05 Sep 2017


Article type: Paper
DOI: 10.1039/C7CP01849E
Citation: Phys. Chem. Chem. Phys., 2017, Advance Article
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    Sm/Ti co-substituted bismuth ferrite multiferroics: reciprocity between tetragonality and piezoelectricity

    P. K. Jha, P. A. Jha, P. Singh, R. Ranjan and R. K. Dwivedi, Phys. Chem. Chem. Phys., 2017, Advance Article , DOI: 10.1039/C7CP01849E

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