Structure and properties of multiferroic (1 - x)BiFeO3-x PbTiO3 single crystals

W. M. Zhu; H. Y. Guo; Z. G. Ye

doi:10.1557/jmr.2007.0268

Structure and properties of multiferroic (1 - x)BiFeO₃-x PbTiO₃ single crystals

W. M. Zhu
, H. Y. Guo
, Z. G. Ye

Simon Fraser University

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

37 Scopus citations

Abstract

Single crystals of the multiferroic (1 - x)BiFeO₃-x PbTiO₃ (BF-PT) solid solution with a nominal morphotropic phase boundary (MPB) composition were grown from flux. Structural characterization by x-ray diffraction shows the simultaneous existence of a tetragonal, an orthorhombic, and a rhombohedral perovskite phase in the crystals. A high ferroelectric Curie point of 660°C was found in the BF-PT crystals by dielectric measurements. The variation of the magnetic moment as a function of temperature of the BF-PT crystals measured under zero field cooling mode reveals three anomalies with the highest one around 440 K, corresponding to the antiferromagnetic ordering temperatures of the rhombohedral, orthorhombic, and tetragonal phases, respectively. These results demonstrate the intrinsic relations between the MPB phase components and the macroscopic ferroic properties.

Original language	English
Pages (from-to)	2136-2143
Number of pages	8
Journal	Journal of Materials Research
Volume	22
Issue number	8
DOIs	https://doi.org/10.1557/jmr.2007.0268
State	Published - Aug 2007
Externally published	Yes

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title = "Structure and properties of multiferroic (1 - x)BiFeO3-x PbTiO3 single crystals",

abstract = "Single crystals of the multiferroic (1 - x)BiFeO3-x PbTiO3 (BF-PT) solid solution with a nominal morphotropic phase boundary (MPB) composition were grown from flux. Structural characterization by x-ray diffraction shows the simultaneous existence of a tetragonal, an orthorhombic, and a rhombohedral perovskite phase in the crystals. A high ferroelectric Curie point of 660°C was found in the BF-PT crystals by dielectric measurements. The variation of the magnetic moment as a function of temperature of the BF-PT crystals measured under zero field cooling mode reveals three anomalies with the highest one around 440 K, corresponding to the antiferromagnetic ordering temperatures of the rhombohedral, orthorhombic, and tetragonal phases, respectively. These results demonstrate the intrinsic relations between the MPB phase components and the macroscopic ferroic properties.",

author = "Zhu, \{W. M.\} and Guo, \{H. Y.\} and Ye, \{Z. G.\}",

year = "2007",

month = aug,

doi = "10.1557/jmr.2007.0268",

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T1 - Structure and properties of multiferroic (1 - x)BiFeO3-x PbTiO3 single crystals

AU - Zhu, W. M.

AU - Guo, H. Y.

AU - Ye, Z. G.

PY - 2007/8

Y1 - 2007/8

N2 - Single crystals of the multiferroic (1 - x)BiFeO3-x PbTiO3 (BF-PT) solid solution with a nominal morphotropic phase boundary (MPB) composition were grown from flux. Structural characterization by x-ray diffraction shows the simultaneous existence of a tetragonal, an orthorhombic, and a rhombohedral perovskite phase in the crystals. A high ferroelectric Curie point of 660°C was found in the BF-PT crystals by dielectric measurements. The variation of the magnetic moment as a function of temperature of the BF-PT crystals measured under zero field cooling mode reveals three anomalies with the highest one around 440 K, corresponding to the antiferromagnetic ordering temperatures of the rhombohedral, orthorhombic, and tetragonal phases, respectively. These results demonstrate the intrinsic relations between the MPB phase components and the macroscopic ferroic properties.

AB - Single crystals of the multiferroic (1 - x)BiFeO3-x PbTiO3 (BF-PT) solid solution with a nominal morphotropic phase boundary (MPB) composition were grown from flux. Structural characterization by x-ray diffraction shows the simultaneous existence of a tetragonal, an orthorhombic, and a rhombohedral perovskite phase in the crystals. A high ferroelectric Curie point of 660°C was found in the BF-PT crystals by dielectric measurements. The variation of the magnetic moment as a function of temperature of the BF-PT crystals measured under zero field cooling mode reveals three anomalies with the highest one around 440 K, corresponding to the antiferromagnetic ordering temperatures of the rhombohedral, orthorhombic, and tetragonal phases, respectively. These results demonstrate the intrinsic relations between the MPB phase components and the macroscopic ferroic properties.

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M3 - 文章

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ER -

Structure and properties of multiferroic (1 - x)BiFeO₃-x PbTiO₃ single crystals

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