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Structural and magnetic characterization of iron oxyselenides Ce2 O2 Fe2 OSe2 and Nd2 O2 Fe2 OSe2

McCabe, E.E., Wills, A.S., Chapon, L., Manuel, P., Evans, J.S.O. (2014) Structural and magnetic characterization of iron oxyselenides Ce2 O2 Fe2 OSe2 and Nd2 O2 Fe2 OSe2. Physical Review B - Condensed Matter and Materials Physics, 90 (16). Article Number 165111. ISSN 10980121 (ISSN). (doi:10.1103/PhysRevB.90.165111) (The full text of this publication is not currently available from this repository. You may be able to access a copy if URLs are provided) (KAR id:47924)

The full text of this publication is not currently available from this repository. You may be able to access a copy if URLs are provided.
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Abstract

We present here an investigation of the magnetic ordering in the Mott insulating oxyselenide materials Ln2O2Fe2OSe2 (Ln=Ce, Nd). Neutron powder diffraction data are consistent with a noncollinear multi-k ordering on the iron sublattice structure and analysis indicates a reduced magnetic correlation length perpendicular to the [Fe2O]2+ layers. The magnetic role of the Ln3+ cations is investigated and Ce3+ moments are found to order at Tâ?¤16 K.

Item Type: Article
DOI/Identification number: 10.1103/PhysRevB.90.165111
Additional information: Unmapped bibliographic data: C7 - 165111 [EPrints field already has value set] LA - English [Field not mapped to EPrints] J2 - Phys. Rev. B Condens. Matter Mater. Phys. [Field not mapped to EPrints] AD - School of Physical Sciences, University of KentCanterbury, United Kingdom [Field not mapped to EPrints] AD - Department of Chemistry, Durham UniversityDurham, United Kingdom [Field not mapped to EPrints] AD - Department of Chemistry, University College London, 20 Gordon StreetLondon, United Kingdom [Field not mapped to EPrints] AD - Diffraction Group, Institute Laue Langevin, 71 Avenue des MartyrsGrenoble, France [Field not mapped to EPrints] AD - ISIS Facility, Rutherford Appleton LaboratoryChilton-Didcot, United Kingdom [Field not mapped to EPrints] DB - Scopus [Field not mapped to EPrints]
Subjects: Q Science > QC Physics > QC173.45 Condensed Matter
Q Science > QC Physics > QC176 Solid state physics
Q Science > QD Chemistry > QD478 Solid State Chemistry
Divisions: Divisions > Division of Natural Sciences > Physics and Astronomy
Depositing User: Emma McCabe
Date Deposited: 10 Apr 2015 09:50 UTC
Last Modified: 17 Aug 2022 10:58 UTC
Resource URI: https://kar.kent.ac.uk/id/eprint/47924 (The current URI for this page, for reference purposes)

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