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High-temperature phases of multiferroic BiFe0.7Mn0.3O3

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High-temperature phases of multiferroic BiFe0.7Mn0.3O3. / Gibbs, Alexandra S.; Arnold, Donna C.; Knight, Kevin S.; Lightfoot, Philip.

In: Physical Review. B, Condensed matter and materials physics, Vol. 87, No. 22, 224109, 17.06.2013.

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

Harvard

Gibbs, AS, Arnold, DC, Knight, KS & Lightfoot, P 2013, 'High-temperature phases of multiferroic BiFe0.7Mn0.3O3', Physical Review. B, Condensed matter and materials physics, vol. 87, no. 22, 224109. https://doi.org/10.1103/PhysRevB.87.224109

APA

Gibbs, A. S., Arnold, D. C., Knight, K. S., & Lightfoot, P. (2013). High-temperature phases of multiferroic BiFe0.7Mn0.3O3. Physical Review. B, Condensed matter and materials physics, 87(22), [224109]. https://doi.org/10.1103/PhysRevB.87.224109

Vancouver

Gibbs AS, Arnold DC, Knight KS, Lightfoot P. High-temperature phases of multiferroic BiFe0.7Mn0.3O3. Physical Review. B, Condensed matter and materials physics. 2013 Jun 17;87(22). 224109. https://doi.org/10.1103/PhysRevB.87.224109

Author

Gibbs, Alexandra S. ; Arnold, Donna C. ; Knight, Kevin S. ; Lightfoot, Philip. / High-temperature phases of multiferroic BiFe0.7Mn0.3O3. In: Physical Review. B, Condensed matter and materials physics. 2013 ; Vol. 87, No. 22.

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@article{ccb18f88113b498dadd980a46af51fb8,
title = "High-temperature phases of multiferroic BiFe0.7Mn0.3O3",
abstract = "We report the results of a high-resolution powder neutron-diffraction study of multiferroic BiFe0.7Mn0.3O3. We have confirmed the previous assignment of the alpha phase and beta phase as having R3c and Pbnm symmetry, respectively. The gamma phase, however, has been shown unequivocally not to be cubic, as previously reported, but rather to retain octahedral tilting distortions leading to a lower symmetry, most likely rhombohedral with space group R (3) over barc. The gamma phase of BiFe0.7Mn0.3O3 is therefore different than that of the parent compound BiFeO3, which retains an orthorhombic structure up to its decomposition temperature. The lattice parameters of the gamma phase of BiFe0.7Mn0.3O3 are pseudocubic throughout its entire stability range, despite the fact that there are still significant distortions from the cubic aristotype structure even at the onset of decomposition.",
keywords = "Powder neutron-diffraction, Group-theoretical analysis, Structural-properties, High-pressure, DOPED BIFEO3, Perovskite, Crystal, LAGAO3",
author = "Gibbs, {Alexandra S.} and Arnold, {Donna C.} and Knight, {Kevin S.} and Philip Lightfoot",
note = "This work is supported by funding from the EPSRC and the STFC UK",
year = "2013",
month = jun,
day = "17",
doi = "10.1103/PhysRevB.87.224109",
language = "English",
volume = "87",
journal = "Physical Review. B, Condensed matter and materials physics",
issn = "1098-0121",
publisher = "American Physical Society",
number = "22",

}

RIS (suitable for import to EndNote) - Download

TY - JOUR

T1 - High-temperature phases of multiferroic BiFe0.7Mn0.3O3

AU - Gibbs, Alexandra S.

AU - Arnold, Donna C.

AU - Knight, Kevin S.

AU - Lightfoot, Philip

N1 - This work is supported by funding from the EPSRC and the STFC UK

PY - 2013/6/17

Y1 - 2013/6/17

N2 - We report the results of a high-resolution powder neutron-diffraction study of multiferroic BiFe0.7Mn0.3O3. We have confirmed the previous assignment of the alpha phase and beta phase as having R3c and Pbnm symmetry, respectively. The gamma phase, however, has been shown unequivocally not to be cubic, as previously reported, but rather to retain octahedral tilting distortions leading to a lower symmetry, most likely rhombohedral with space group R (3) over barc. The gamma phase of BiFe0.7Mn0.3O3 is therefore different than that of the parent compound BiFeO3, which retains an orthorhombic structure up to its decomposition temperature. The lattice parameters of the gamma phase of BiFe0.7Mn0.3O3 are pseudocubic throughout its entire stability range, despite the fact that there are still significant distortions from the cubic aristotype structure even at the onset of decomposition.

AB - We report the results of a high-resolution powder neutron-diffraction study of multiferroic BiFe0.7Mn0.3O3. We have confirmed the previous assignment of the alpha phase and beta phase as having R3c and Pbnm symmetry, respectively. The gamma phase, however, has been shown unequivocally not to be cubic, as previously reported, but rather to retain octahedral tilting distortions leading to a lower symmetry, most likely rhombohedral with space group R (3) over barc. The gamma phase of BiFe0.7Mn0.3O3 is therefore different than that of the parent compound BiFeO3, which retains an orthorhombic structure up to its decomposition temperature. The lattice parameters of the gamma phase of BiFe0.7Mn0.3O3 are pseudocubic throughout its entire stability range, despite the fact that there are still significant distortions from the cubic aristotype structure even at the onset of decomposition.

KW - Powder neutron-diffraction

KW - Group-theoretical analysis

KW - Structural-properties

KW - High-pressure

KW - DOPED BIFEO3

KW - Perovskite

KW - Crystal

KW - LAGAO3

U2 - 10.1103/PhysRevB.87.224109

DO - 10.1103/PhysRevB.87.224109

M3 - Article

VL - 87

JO - Physical Review. B, Condensed matter and materials physics

JF - Physical Review. B, Condensed matter and materials physics

SN - 1098-0121

IS - 22

M1 - 224109

ER -

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