Electromechanical and magnetic properties of BiFeO3-LaFeO 3-CaTiO3 ceramics near the rhombohedral-orthorhombic phase boundary

D. V. Karpinsky; I. O. Troyanchuk; V. Sikolenko; V. Efimov; A. L. Kholkin

doi:10.1063/1.4801960

Electromechanical and magnetic properties of BiFeO₃-LaFeO ₃-CaTiO₃ ceramics near the rhombohedral-orthorhombic phase boundary

D. V. Karpinsky^*
, I. O. Troyanchuk
, V. Sikolenko
, V. Efimov
, A. L. Kholkin

^*Corresponding author for this work

University of Aveiro
Belarus Academy of Sciences
Karlsruhe Institute of Technology
Joint Institute for Nuclear Research

Research output: Contribution to journal › Article › peer-review

34 Citations (Scopus)

Abstract

BiFeO₃-LaFeO₃-CaTiO₃ ceramics have been studied by X-ray diffraction, magnetization measurements, and piezoresponse force microscopy (PFM). The compositional ranges of the polar, antipolar, and non-polar phases have been estimated. PFM measurements testify gradual decrease of piezoelectric response in Bi_0.85-xLa_0.15Ca _xFe_1-xTi_xO₃ system with Ca/Ti content increase, except a narrow concentration region near polar-antipolar phase boundary where piezoelectric signal shows maximum value. It is found that increase of dopant concentration leads to apparent decrease of the off-center Bi-O displacement and, consequently, causes a reduction of piezoelectric response. It is concluded that notable remanent magnetization in polar and non-polar structural phases is a result of the Dzyaloshinsky-Moria interaction.

Original language	English
Article number	187218
Journal	Journal of Applied Physics
Volume	113
Issue number	18
DOIs	https://doi.org/10.1063/1.4801960
Publication status	Published - 14 May 2013
Externally published	Yes

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title = "Electromechanical and magnetic properties of BiFeO3-LaFeO 3-CaTiO3 ceramics near the rhombohedral-orthorhombic phase boundary",

abstract = "BiFeO3-LaFeO3-CaTiO3 ceramics have been studied by X-ray diffraction, magnetization measurements, and piezoresponse force microscopy (PFM). The compositional ranges of the polar, antipolar, and non-polar phases have been estimated. PFM measurements testify gradual decrease of piezoelectric response in Bi0.85-xLa0.15Ca xFe1-xTixO3 system with Ca/Ti content increase, except a narrow concentration region near polar-antipolar phase boundary where piezoelectric signal shows maximum value. It is found that increase of dopant concentration leads to apparent decrease of the off-center Bi-O displacement and, consequently, causes a reduction of piezoelectric response. It is concluded that notable remanent magnetization in polar and non-polar structural phases is a result of the Dzyaloshinsky-Moria interaction.",

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doi = "10.1063/1.4801960",

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T1 - Electromechanical and magnetic properties of BiFeO3-LaFeO 3-CaTiO3 ceramics near the rhombohedral-orthorhombic phase boundary

AU - Karpinsky, D. V.

AU - Troyanchuk, I. O.

AU - Sikolenko, V.

AU - Efimov, V.

AU - Kholkin, A. L.

PY - 2013/5/14

Y1 - 2013/5/14

N2 - BiFeO3-LaFeO3-CaTiO3 ceramics have been studied by X-ray diffraction, magnetization measurements, and piezoresponse force microscopy (PFM). The compositional ranges of the polar, antipolar, and non-polar phases have been estimated. PFM measurements testify gradual decrease of piezoelectric response in Bi0.85-xLa0.15Ca xFe1-xTixO3 system with Ca/Ti content increase, except a narrow concentration region near polar-antipolar phase boundary where piezoelectric signal shows maximum value. It is found that increase of dopant concentration leads to apparent decrease of the off-center Bi-O displacement and, consequently, causes a reduction of piezoelectric response. It is concluded that notable remanent magnetization in polar and non-polar structural phases is a result of the Dzyaloshinsky-Moria interaction.

AB - BiFeO3-LaFeO3-CaTiO3 ceramics have been studied by X-ray diffraction, magnetization measurements, and piezoresponse force microscopy (PFM). The compositional ranges of the polar, antipolar, and non-polar phases have been estimated. PFM measurements testify gradual decrease of piezoelectric response in Bi0.85-xLa0.15Ca xFe1-xTixO3 system with Ca/Ti content increase, except a narrow concentration region near polar-antipolar phase boundary where piezoelectric signal shows maximum value. It is found that increase of dopant concentration leads to apparent decrease of the off-center Bi-O displacement and, consequently, causes a reduction of piezoelectric response. It is concluded that notable remanent magnetization in polar and non-polar structural phases is a result of the Dzyaloshinsky-Moria interaction.

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Electromechanical and magnetic properties of BiFeO₃-LaFeO ₃-CaTiO₃ ceramics near the rhombohedral-orthorhombic phase boundary

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