Investigation of crystal structure and magnetic properties in Zn doped Bi0.84La0.16FeO3 ceramics at morphotropic phase boundary

In this investigation, we have studied the crystal structure and magnetic properties of Zn doped Bi0.84La0.16FeO3 (x = 0.02–0.1) ceramics at the morphotropic phase boundary of rhombohedral and orthorhombic phases. Rietveld refinement of the obtained XRD patterns and Raman spectroscopy confirm the pr...

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Bibliographic Details
Published in:The Journal of physics and chemistry of solids 2018-10, Vol.121, p.157-162
Main Authors: Tho, P.T., Dang, N.V., Nghia, N.X., Khiem, L.H., Xuan, C.T.A., Kim, H.S., Lee, B.W.
Format: Article
Language:English
Subjects:
BiFeO3-based multiferroics
Magnetic properties
Self-transform crystal structure
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Summary:In this investigation, we have studied the crystal structure and magnetic properties of Zn doped Bi0.84La0.16FeO3 (x = 0.02–0.1) ceramics at the morphotropic phase boundary of rhombohedral and orthorhombic phases. Rietveld refinement of the obtained XRD patterns and Raman spectroscopy confirm the presence of multiphases crystal structure of R3c rhombohedral and Pbam orthorhombic. Room temperature magnetic measurements showed weak ferromagnetic ordering and enhancement in magnetization and coercivity with dominating of orthorhombic phase. The isothermal structural transition from R3c to Pbam is caused for the decrease in magnetization and the increase in coercivity. •The crystal structure of Bi0.84La0.16Fe1-xZnxO3 at the morphotropic phase boundary.•The microstructure reveals the coexistence crystal phase and their phase boundary.•The isothermal structural transition induces the change in magnetic properties.•The vertical shift (exchange bias) is observed in compounds.
ISSN:0022-3697
1879-2553
DOI:10.1016/j.jpcs.2018.05.025