Synthesis and characterization of the reduced double-layer manganite Sr3Mn2O6+x

L. J. Gillie; A. J. Wright; J. Hadermann; G. Van Tendeloo; C. Greaves

doi:10.1016/S0022-4596(03)00245-7

Synthesis and characterization of the reduced double-layer manganite Sr3Mn2O6+x

L. J. Gillie, A. J. Wright, J. Hadermann, G. Van Tendeloo, C. Greaves

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25 Citations (Scopus)

Abstract

The oxygen-deficient Ruddlesden-Popper (RP) phase Sr₃Mn ₂O₆ crystallizes with an ordered array of oxygen vacancies to afford a structure in which the Mn³⁺ ions exist in a square-pyramidal environment. The MnO₅ polyhedra are linked through their corners to form a structure that is related to that observed for the single-layered material, Sr₂MnO_3.5. The nuclear and magnetic structures of a polycrystalline sample of Sr₃Mn ₂O₆ have been determined using Rietveld analysis of neutron powder diffraction data and electron diffraction techniques. The pure Mn³⁺ double-layered phase crystallizes in a superstructure of the simple RP subcell: tetragonal, P4/mbm, a=10.8686(2)Å and c=20.2051(3)Å.

Magnetic susceptibility studies suggest a transition at ∼250K to a canted antiferromagnetic ordered structure. The magnetic unit-cell consists of ferromagnetic clusters of corner-sharing MnO₅ units, which are antiferromagnetically aligned to other clusters within the layers.

Original language	English
Pages (from-to)	188-196
Number of pages	9
Journal	Journal of Solid State Chemistry
Volume	175
Issue number	2
Early online date	14 Aug 2003
DOIs	https://doi.org/10.1016/S0022-4596(03)00245-7
Publication status	Published - Nov 2003
Externally published	Yes

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title = "Synthesis and characterization of the reduced double-layer manganite Sr3Mn2O6+x",

abstract = "The oxygen-deficient Ruddlesden-Popper (RP) phase Sr3Mn 2O6 crystallizes with an ordered array of oxygen vacancies to afford a structure in which the Mn3+ ions exist in a square-pyramidal environment. The MnO5 polyhedra are linked through their corners to form a structure that is related to that observed for the single-layered material, Sr2MnO3.5. The nuclear and magnetic structures of a polycrystalline sample of Sr3Mn 2O6 have been determined using Rietveld analysis of neutron powder diffraction data and electron diffraction techniques. The pure Mn3+ double-layered phase crystallizes in a superstructure of the simple RP subcell: tetragonal, P4/mbm, a=10.8686(2){\AA} and c=20.2051(3){\AA}. Magnetic susceptibility studies suggest a transition at ∼250K to a canted antiferromagnetic ordered structure. The magnetic unit-cell consists of ferromagnetic clusters of corner-sharing MnO5 units, which are antiferromagnetically aligned to other clusters within the layers.",

author = "Gillie, {L. J.} and Wright, {A. J.} and J. Hadermann and {Van Tendeloo}, G. and C. Greaves",

year = "2003",

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doi = "10.1016/S0022-4596(03)00245-7",

language = "English",

volume = "175",

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journal = "Journal of Solid State Chemistry",

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T1 - Synthesis and characterization of the reduced double-layer manganite Sr3Mn2O6+x

AU - Gillie, L. J.

AU - Wright, A. J.

AU - Hadermann, J.

AU - Van Tendeloo, G.

AU - Greaves, C.

PY - 2003/11

Y1 - 2003/11

N2 - The oxygen-deficient Ruddlesden-Popper (RP) phase Sr3Mn 2O6 crystallizes with an ordered array of oxygen vacancies to afford a structure in which the Mn3+ ions exist in a square-pyramidal environment. The MnO5 polyhedra are linked through their corners to form a structure that is related to that observed for the single-layered material, Sr2MnO3.5. The nuclear and magnetic structures of a polycrystalline sample of Sr3Mn 2O6 have been determined using Rietveld analysis of neutron powder diffraction data and electron diffraction techniques. The pure Mn3+ double-layered phase crystallizes in a superstructure of the simple RP subcell: tetragonal, P4/mbm, a=10.8686(2)Å and c=20.2051(3)Å. Magnetic susceptibility studies suggest a transition at ∼250K to a canted antiferromagnetic ordered structure. The magnetic unit-cell consists of ferromagnetic clusters of corner-sharing MnO5 units, which are antiferromagnetically aligned to other clusters within the layers.

AB - The oxygen-deficient Ruddlesden-Popper (RP) phase Sr3Mn 2O6 crystallizes with an ordered array of oxygen vacancies to afford a structure in which the Mn3+ ions exist in a square-pyramidal environment. The MnO5 polyhedra are linked through their corners to form a structure that is related to that observed for the single-layered material, Sr2MnO3.5. The nuclear and magnetic structures of a polycrystalline sample of Sr3Mn 2O6 have been determined using Rietveld analysis of neutron powder diffraction data and electron diffraction techniques. The pure Mn3+ double-layered phase crystallizes in a superstructure of the simple RP subcell: tetragonal, P4/mbm, a=10.8686(2)Å and c=20.2051(3)Å. Magnetic susceptibility studies suggest a transition at ∼250K to a canted antiferromagnetic ordered structure. The magnetic unit-cell consists of ferromagnetic clusters of corner-sharing MnO5 units, which are antiferromagnetically aligned to other clusters within the layers.

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UR - https://www.journals.elsevier.com/journal-of-solid-state-chemistry

U2 - 10.1016/S0022-4596(03)00245-7

DO - 10.1016/S0022-4596(03)00245-7

M3 - Article

AN - SCOPUS:0141920744

VL - 175

SP - 188

EP - 196

JO - Journal of Solid State Chemistry

JF - Journal of Solid State Chemistry

SN - 0022-4596

IS - 2

ER -

Synthesis and characterization of the reduced double-layer manganite Sr3Mn2O6+x

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