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- Title
Study of Structural, Magnetic and Optical Properties of BiFeO3-PbTiO3 Multiferroic Composites.
- Authors
Shariq, Mohammad; Kaur, Davinder; Chandel, Vishal Singh; Jain, Praveen K.; Florence, Sasi; Sharma, Mukul; Hussain, Shahir
- Abstract
The crystalline samples of lead titanate altered bismuth ferrite (BiFeO3)1-x(PbTiO3)x [x=0,0.1,0.2,0.3,0.4 and 0.5] have been synthesized by high-temperature solid-state reaction technique. The formation of the materials was affirmed through fundamental investigation utilizing X-ray diffraction which uncovers the presence of morphotropic phase boundary (MPB) in composite. XRD examination displays structural change from rhombohedral (x=0.0) to tetragonal (x=0.4). Estimated grain size along (104) peak was observed to be diminished with the increase in content of PbTiO3 due to mixing of tetragonal phases. SEM and EDAX of sample were carried out for analysis of surface morphology and verification of chemical homogeneity, respectively. Study of M-H graph reveals antiferromagnetic nature of BiFeO3. Magnetic measurement of (BiFeO3)1-x(PbTiO3)x ceramics shows weak-induced ferromagnetism by substituent effects at temperature of 5 K. Low-temperature magnetic measurement under ZFC reveals an anomaly in tetragonal phase of MPB for composition x=0.2 and 0.3. With respect to BiFeO3, BiFeO3-PbTiO3 ceramics displays advancement in the electric polarization. Direct and indirect band gaps are modified with variation of PbTiO3 in BiFeO3-PbTiO3 composites.
- Subjects
MULTIFERROIC materials; MAGNETIC properties of metals; OPTICAL properties of metals
- Publication
Arabian Journal for Science & Engineering (Springer Science & Business Media B.V. ), 2019, Vol 44, Issue 1, p613
- ISSN
2193-567X
- Publication type
Article
- DOI
10.1007/s13369-018-3543-1