Crystal and Magnetic Structure Transitions in BiMnO3+δ Ceramics Driven by Cation Vacancies and Temperature

Karpinsky, D. V.; Silibin, Maxim V.; Zhaludkevich, D.V.; Latushka, S.I.; Sikolenko, V.; Többens, Daniel M.; Sheptyakov, Denis; Khomchenko, V. A.; Belik, Alexei А.

doi:10.3390/ma14195805

Cited by 4 publications

(2 citation statements)

References 27 publications

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“…gr. C2/c, which is specific for the extreme compound BiMnO3 [14,24] (see the Supplementary Materials, Tables S3 and S4). Temperature-dependent diffraction data as well as DSC results recorded for the compound with x = 0.7, i.e., with a single-phase monoclinic structure, point at the phase transition to the antipolar orthorhombic state at temperatures above 650 K (Figures 3 and 4, insets).…”

Section: Resultsmentioning

confidence: 99%

“…Chemical substitution of Mn 3+ ions for Fe 3+ ions in BiFeO 3 causes a decrease in the temperature of the magnetic transition [13], which is accompanied by a transformation of the magnetic state from the antiferromagnetic to the long-range ferromagnetic one. Thus, the magnetic structure of the compounds changes upon the chemical substitution from the G-type antiferromagnetic one (BiFeO 3 ), having spiral modulation, to the ferromagnetic structure, caused by the ordering of Mn d z 2 orbitals (BiMnO 3 ) [14,15].…”

Section: Introductionmentioning

confidence: 99%

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Structural and Magnetic Phase Transitions in BiFe1 − xMnxO3 Solid Solution Driven by Temperature

et al. 2022

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The crystal structure and magnetic state of the (1 − x)BiFeO3-(x)BiMnO3 solid solution has been analyzed by X-ray diffraction using lab-based and synchrotron radiation facilities, magnetization measurements, differential thermal analysis, and differential scanning calorimetry. Dopant concentration increases lead to the room-temperature structural transitions from the polar-active rhombohedral phase to the antipolar orthorhombic phase, and then to the monoclinic phase accompanied by the formation of two-phase regions consisting of the adjacent structural phases in the concentration ranges 0.25 < x1 < 0.30 and 0.50 ≤ x2 < 0.65, respectively. The accompanied changes in the magnetic structure refer to the magnetic transitions from the modulated antiferromagnetic structure to the non-colinear antiferromagnetic structure, and then to the orbitally ordered ferromagnetic structure. The compounds with a two-phase structural state at room temperature are characterized by irreversible temperature-driven structural transitions, which favor the stabilization of high-temperature structural phases. The magnetic structure of the compounds also exhibits an irreversible temperature-induced transition, resulting in an increase of the contribution from the magnetic phase associated with the high-temperature structural phase. The relationship between the structural parameters and the magnetic state of the compounds with a metastable structure is studied and discussed depending on the chemical composition and heating prehistory.

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Section: Resultsmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Structural and Magnetic Phase Transitions in BiFe1 − xMnxO3 Solid Solution Driven by Temperature

et al. 2022

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Investigation of the Crystal Structure and Magnetic Properties of BiMnO3 + δ (δ = 0.08 and 0.14) by the Methods of Neutron Diffraction and Magnetometry

Sikolenko,

Efimov,

Silibin

et al. 2023

J. Surf. Investig.

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Crystal structure, piezoelectric and magnetic properties of solid solutions BiMn1-xFexO3 (x ≤ 0.4)

Silibin,

Kiselev,

Latushko

et al. 2023

Izv. vysš. učebn. zaved., Mater. èlektron. teh.

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Сrystal structure, piezoelectric and magnetic properties of solid solutions BiMn1-xFexO3 (x ≤ 0.4) prepared by solid-phase reactions from a stoichiometric mixture of simple oxides at high pressures and temperatures have been studied. The structure of the compounds is characterized by the concentration driven phase transition from the monoclinic structure to the orthorhombic structure at x ≈ 0.2; wherein the ordering dz2 of the orbitals of Mn3+ ions is destroyed, and the inhomogeneous magnetic state is stabilized. Solid solutions with 0.2 ≤ x ≤ 0.4 are characterized by a nonzero piezoelectric response, wherein both ferroelectric and magnetic domain structures exist, the ferroelectric switching voltage decreases with an increase of iron ions concentration, while the residual magnetization value decreases. The maximum value of the piezoresponse signal is observed in the compound BiMn0.7Fe0.3O3. The work clarifies the relationship between the chemical composition, the crystal structure, piezoelectric and magnetic properties of solid solutions BiMn1-xFexO3. The presence of both magnetic and electric dipole ordering indicates the perspectives for the practical usage of such materials.

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Crystal and Magnetic Structure Transitions in BiMnO3+δ Ceramics Driven by Cation Vacancies and Temperature

Cited by 4 publications

References 27 publications

Structural and Magnetic Phase Transitions in BiFe1 − xMnxO3 Solid Solution Driven by Temperature

Structural and Magnetic Phase Transitions in BiFe1 − xMnxO3 Solid Solution Driven by Temperature

Investigation of the Crystal Structure and Magnetic Properties of BiMnO3 + δ (δ = 0.08 and 0.14) by the Methods of Neutron Diffraction and Magnetometry

Crystal structure, piezoelectric and magnetic properties of solid solutions BiMn1-xFexO3 (x ≤ 0.4)

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