The crystal and magnetic structures of Sr2LaFe3O8

P. D. Battle; T. C. Gibb; P. Lightfoot

doi:10.1016/0022-4596(90)90322-O

The crystal and magnetic structures of Sr₂LaFe₃O₈

P. D. Battle^*, T. C. Gibb, P. Lightfoot

^*Corresponding author for this work

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

Abstract

The crystal and magnetic structures of the anion-deficient perovskite Sr₂LaFe₃O₈ (space groupPmma,a = 5.5095(1), b = 11.8845(5), c = 5.6028(1)AÅ) have been refined from X-ray and neutron powder diffraction data collected at room temperature. The crystal structure consists of layers of octahedral (O) and tetrahedral (T) iron-oxygen polyhedra arranged in the stacking sequence ... OOTOOT ... perpendicular to theŷaxis of the unit cell. The magnetic structure is that of a G-type antiferromagnet with ordered magnetic moments of 3.77(5) and 3.15(11) μ_B at the octahedral and tetrahedral sites, respectively. The low moment at the tetrahedral site is consistent with the observed disorder and magnetic anisotropy.

Original language	English
Pages (from-to)	237-244
Number of pages	8
Journal	Journal of Solid State Chemistry
Volume	84
Issue number	2
DOIs	https://doi.org/10.1016/0022-4596(90)90322-O
Publication status	Published - 1 Jan 1990

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10.1016/0022-4596(90)90322-O

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title = "The crystal and magnetic structures of Sr2LaFe3O8",

abstract = "The crystal and magnetic structures of the anion-deficient perovskite Sr2LaFe3O8 (space groupPmma,a = 5.5095(1), b = 11.8845(5), c = 5.6028(1)A{\AA}) have been refined from X-ray and neutron powder diffraction data collected at room temperature. The crystal structure consists of layers of octahedral (O) and tetrahedral (T) iron-oxygen polyhedra arranged in the stacking sequence ... OOTOOT ... perpendicular to theŷaxis of the unit cell. The magnetic structure is that of a G-type antiferromagnet with ordered magnetic moments of 3.77(5) and 3.15(11) μB at the octahedral and tetrahedral sites, respectively. The low moment at the tetrahedral site is consistent with the observed disorder and magnetic anisotropy.",

author = "Battle, {P. D.} and Gibb, {T. C.} and P. Lightfoot",

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T1 - The crystal and magnetic structures of Sr2LaFe3O8

AU - Battle, P. D.

AU - Gibb, T. C.

AU - Lightfoot, P.

PY - 1990/1/1

Y1 - 1990/1/1

N2 - The crystal and magnetic structures of the anion-deficient perovskite Sr2LaFe3O8 (space groupPmma,a = 5.5095(1), b = 11.8845(5), c = 5.6028(1)AÅ) have been refined from X-ray and neutron powder diffraction data collected at room temperature. The crystal structure consists of layers of octahedral (O) and tetrahedral (T) iron-oxygen polyhedra arranged in the stacking sequence ... OOTOOT ... perpendicular to theŷaxis of the unit cell. The magnetic structure is that of a G-type antiferromagnet with ordered magnetic moments of 3.77(5) and 3.15(11) μB at the octahedral and tetrahedral sites, respectively. The low moment at the tetrahedral site is consistent with the observed disorder and magnetic anisotropy.

AB - The crystal and magnetic structures of the anion-deficient perovskite Sr2LaFe3O8 (space groupPmma,a = 5.5095(1), b = 11.8845(5), c = 5.6028(1)AÅ) have been refined from X-ray and neutron powder diffraction data collected at room temperature. The crystal structure consists of layers of octahedral (O) and tetrahedral (T) iron-oxygen polyhedra arranged in the stacking sequence ... OOTOOT ... perpendicular to theŷaxis of the unit cell. The magnetic structure is that of a G-type antiferromagnet with ordered magnetic moments of 3.77(5) and 3.15(11) μB at the octahedral and tetrahedral sites, respectively. The low moment at the tetrahedral site is consistent with the observed disorder and magnetic anisotropy.

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ER -

The crystal and magnetic structures of Sr₂LaFe₃O₈

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