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Magnetism and structural chemistry of the n=2 Ruddlesden–Popper phase La3LiMnO7

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Title: Magnetism and structural chemistry of the n=2 Ruddlesden–Popper phase La3LiMnO7
Authors: Battle, Peter D.1 peter.battle@chem.ox.ac.uk, Burley, Jonathan C.2, Gallon, Daniel J.1, Grey, Clare P.3, Sloan, Jeremy1
Source: Journal of Solid State Chemistry. Jan2004, Vol. 177 Issue 1, p119. 7p.
Subjects: Polycrystals, X-ray diffraction, Neutron diffraction, Lithium
Abstract: Polycrystalline samples of the n=2 Ruddlesden–Popper phase La3LiMnO7 have been prepared and characterized. X-ray and neutron diffraction suggest that the structure is tetragonal with a disordered distribution of Li and Mn cations over the octahedral sites, but 6Li MAS NMR shows that the Li and Mn are 1:1 ordered locally. Electron microscopy shows that the stacking of the cation-ordered, perovskite-like bilayers along the crystallographic z-axis is disordered on the distance scale sampled by X-ray and neutron diffraction. Magnetometry data and neutron diffraction data collected at 2 K together suggest that the Mn cations within each structural domain order antiferromagnetically at 14 K, but that the disorder along z prevents the establishment of long-range magnetic order. [Copyright &y& Elsevier]
Copyright of Journal of Solid State Chemistry is the property of Academic Press Inc. and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)
Database: Engineering Source
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Header DbId: egs
DbLabel: Engineering Source
An: 11960761
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  Data: Magnetism and structural chemistry of the n=2 Ruddlesden–Popper phase La<subscript>3</subscript>LiMnO<subscript>7</subscript>
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  Data: <searchLink fieldCode="AR" term="%22Battle%2C+Peter+D%2E%22">Battle, Peter D.</searchLink><relatesTo>1</relatesTo><i> peter.battle@chem.ox.ac.uk</i><br /><searchLink fieldCode="AR" term="%22Burley%2C+Jonathan+C%2E%22">Burley, Jonathan C.</searchLink><relatesTo>2</relatesTo><br /><searchLink fieldCode="AR" term="%22Gallon%2C+Daniel+J%2E%22">Gallon, Daniel J.</searchLink><relatesTo>1</relatesTo><br /><searchLink fieldCode="AR" term="%22Grey%2C+Clare+P%2E%22">Grey, Clare P.</searchLink><relatesTo>3</relatesTo><br /><searchLink fieldCode="AR" term="%22Sloan%2C+Jeremy%22">Sloan, Jeremy</searchLink><relatesTo>1</relatesTo>
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  Data: <searchLink fieldCode="JN" term="%22Journal+of+Solid+State+Chemistry%22">Journal of Solid State Chemistry</searchLink>. Jan2004, Vol. 177 Issue 1, p119. 7p.
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  Data: <searchLink fieldCode="DE" term="%22Polycrystals%22">Polycrystals</searchLink><br /><searchLink fieldCode="DE" term="%22X-ray+diffraction%22">X-ray diffraction</searchLink><br /><searchLink fieldCode="DE" term="%22Neutron+diffraction%22">Neutron diffraction</searchLink><br /><searchLink fieldCode="DE" term="%22Lithium%22">Lithium</searchLink>
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  Data: Polycrystalline samples of the <f>n=2</f> Ruddlesden–Popper phase La3LiMnO7 have been prepared and characterized. X-ray and neutron diffraction suggest that the structure is tetragonal with a disordered distribution of Li and Mn cations over the octahedral sites, but 6Li MAS NMR shows that the Li and Mn are 1:1 ordered locally. Electron microscopy shows that the stacking of the cation-ordered, perovskite-like bilayers along the crystallographic z-axis is disordered on the distance scale sampled by X-ray and neutron diffraction. Magnetometry data and neutron diffraction data collected at 2 K together suggest that the Mn cations within each structural domain order antiferromagnetically at 14 K, but that the disorder along z prevents the establishment of long-range magnetic order. [Copyright &y& Elsevier]
– Name: AbstractSuppliedCopyright
  Label:
  Group: Ab
  Data: <i>Copyright of Journal of Solid State Chemistry is the property of Academic Press Inc. and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract.</i> (Copyright applies to all Abstracts.)
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        Value: 10.1016/S0022-4596(03)00333-5
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      – Code: eng
        Text: English
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        PageCount: 7
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        Type: general
      – SubjectFull: X-ray diffraction
        Type: general
      – SubjectFull: Neutron diffraction
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      – SubjectFull: Lithium
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      – TitleFull: Magnetism and structural chemistry of the n=2 Ruddlesden–Popper phase La3LiMnO7
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              Text: Jan2004
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              Y: 2004
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