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

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

Research output: Contribution to journalArticle

21 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, 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.

LanguageEnglish
Pages188-196
Number of pages9
JournalJournal of Solid State Chemistry
Volume175
Issue number2
Early online date14 Aug 2003
DOIs
Publication statusPublished - Nov 2003
Externally publishedYes

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Rietveld analysis
Neutron powder diffraction
Magnetic structure
Oxygen vacancies
Magnetic susceptibility
Electron diffraction
Ions
Oxygen
oxygen
synthesis
nuclear structure
polyhedrons
diffraction
electron diffraction
magnetic permeability
neutrons
cells
ions
manganite

Cite this

Gillie, L. J. ; Wright, A. J. ; Hadermann, J. ; Van Tendeloo, G. ; Greaves, C. / Synthesis and characterization of the reduced double-layer manganite Sr3Mn2O6+x. In: Journal of Solid State Chemistry. 2003 ; Vol. 175, No. 2. pp. 188-196.
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Synthesis and characterization of the reduced double-layer manganite Sr3Mn2O6+x. / Gillie, L. J.; Wright, A. J.; Hadermann, J.; Van Tendeloo, G.; Greaves, C.

In: Journal of Solid State Chemistry, Vol. 175, No. 2, 11.2003, p. 188-196.

Research output: Contribution to journalArticle

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