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반데르발스양자물질연구단
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Optimization of leakage current response in Mn modified BiFeO3–BaTiO3 near morphotropic phase boundary

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dc.contributor.authorKumar, Mukul-
dc.contributor.authorRahul Goel-
dc.contributor.authorSingh, Arun Kumar-
dc.contributor.authorSharma, Gyaneshwar-
dc.contributor.authorJames, A.R.-
dc.contributor.authorKumar, Sanjeev-
dc.date.accessioned2025-01-15T06:00:00Z-
dc.date.available2025-01-15T06:00:00Z-
dc.date.created2024-12-30-
dc.date.issued2025-03-
dc.identifier.issn2773-207X-
dc.identifier.urihttps://pr.ibs.re.kr/handle/8788114/16188-
dc.description.abstractCompositional variation of BiFeO3 & BaTiO3 materials – having in-equivalent crystallographic symmetry – exhibits unique fertile ground that leads to the structural phase transition from rhombohedral to tetragonal via the realization of morphotropic phase boundary (MPB). The MPB composition exhibit superior piezoelectric and enhanced functional characteristics. Here, we characterize the MPB composition of (1-x)BiFe0.99Mn0.01O3-xBaTiO3 (0.30≤x≤0.32) via X-ray diffraction, impedance spectroscopy, X-ray photoelectron spectroscopy, ferroelectric & electrical leakage measurement to reveal the underlying mechanism. Remarkably, the composition with x = 0.30 shows the lowest leakage current density ∼2.3 × 10−8 A/cm2. This observation reveals the governing role of grain in the assessment of the electrical properties. The pre-factor (A), or polarizability strength and frequency exponent (n), was found by experimental fitting of the conductivity data, which were driven by the Jonscher power law. The overlapping large polaron tunnelling model (OLPT) is linked to the observed decrease in EA values of 0.45 eV, 0.37 eV, and 0.32 eV for x = 0.30, 0.31, and 0.32 solid solutions, respectively. These values indicate the mobility of defects present in the lattice. © 2024 The Authors-
dc.language영어-
dc.publisherElsevier B.V.-
dc.titleOptimization of leakage current response in Mn modified BiFeO3–BaTiO3 near morphotropic phase boundary-
dc.typeArticle-
dc.type.rimsART-
dc.identifier.scopusid2-s2.0-85212426823-
dc.identifier.rimsid84802-
dc.contributor.affiliatedAuthorRahul Goel-
dc.identifier.doi10.1016/j.hybadv.2024.100360-
dc.identifier.bibliographicCitationHybrid Advances, v.8-
dc.relation.isPartOfHybrid Advances-
dc.citation.titleHybrid Advances-
dc.citation.volume8-
dc.description.journalClass1-
dc.description.journalClass1-
dc.description.isOpenAccessN-
dc.description.journalRegisteredClassscopus-
dc.subject.keywordAuthorDielectric-
dc.subject.keywordAuthorImpedance-
dc.subject.keywordAuthorLead free-
dc.subject.keywordAuthorLeakage current-
dc.subject.keywordAuthorMorphotropic phase boundary-
Appears in Collections:
Center for Van der Waals Quantum Solids(반데르발스 양자 물질 연구단) > 1. Journal Papers (저널논문)
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