Structure and magnetic properties of the orthorhombic n=2 Ruddlesden-Popper phases Sr3Co2O5+δ (δ=0.91, 0.64 and 0.38)

L. Viciu; H. W. Zandbergen; Q. Xu; Q. Huang; M. Lee; R. J. Cava

doi:10.1016/j.jssc.2005.11.013

Structure and magnetic properties of the orthorhombic n=2 Ruddlesden-Popper phases Sr₃Co₂O_5+δ (δ=0.91, 0.64 and 0.38)

L. Viciu, H. W. Zandbergen, Q. Xu, Q. Huang, M. Lee, R. J. Cava

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

22 Scopus citations

Abstract

The reduced Ruddlesden-Popper phases, Sr₃Co₂O _5+δ with δ=0.91, 0.64 and 0.38, have been prepared in a nitrogen atmosphere. The crystal structures were determined by powder neutron diffraction. Oxygen vacancies are found both in O(3) and O(4) sites but the majority are along one crystallographic axis in the CoO ₂ plane, inducing an orthorhombic distortion of the normally tetragonal n=2 Ruddelsden-Popper structure. Superstructures due to oxygen ordering are observed by electron microscopy. The magnetic measurements reveal complex behavior with some ferromagnetic interactions present for Sr ₃Co₂O_5.91 and Sr₃Co ₂O_5.64.

Original language	English (US)
Pages (from-to)	500-511
Number of pages	12
Journal	Journal of Solid State Chemistry
Volume	179
Issue number	2
DOIs	https://doi.org/10.1016/j.jssc.2005.11.013
State	Published - Feb 2006

All Science Journal Classification (ASJC) codes

Electronic, Optical and Magnetic Materials
Ceramics and Composites
Condensed Matter Physics
Physical and Theoretical Chemistry
Inorganic Chemistry
Materials Chemistry

Keywords

Magnetic properties
Oxygen deficient Ruddlesden-Popper phase
SrCoO

Access to Document

10.1016/j.jssc.2005.11.013

Cite this

@article{44710b0ca20743a5a6501228ff8f3809,

title = "Structure and magnetic properties of the orthorhombic n=2 Ruddlesden-Popper phases Sr3Co2O5+δ (δ=0.91, 0.64 and 0.38)",

abstract = "The reduced Ruddlesden-Popper phases, Sr3Co2O 5+δ with δ=0.91, 0.64 and 0.38, have been prepared in a nitrogen atmosphere. The crystal structures were determined by powder neutron diffraction. Oxygen vacancies are found both in O(3) and O(4) sites but the majority are along one crystallographic axis in the CoO 2 plane, inducing an orthorhombic distortion of the normally tetragonal n=2 Ruddelsden-Popper structure. Superstructures due to oxygen ordering are observed by electron microscopy. The magnetic measurements reveal complex behavior with some ferromagnetic interactions present for Sr 3Co2O5.91 and Sr3Co 2O5.64.",

keywords = "Magnetic properties, Oxygen deficient Ruddlesden-Popper phase, SrCoO",

author = "L. Viciu and Zandbergen, {H. W.} and Q. Xu and Q. Huang and M. Lee and Cava, {R. J.}",

note = "Funding Information: This work was supported by the US Department of Energy, Grant DE-FG-02-ER45706, and by the NSF MRSEC program, Grant DMR-0213706. The work at Delft was supported by The Nederlandse Stichting voor Fundamenteel Onderzoek der Materie (FOM).",

year = "2006",

month = feb,

doi = "10.1016/j.jssc.2005.11.013",

language = "English (US)",

volume = "179",

pages = "500--511",

journal = "Journal of Solid State Chemistry",

issn = "0022-4596",

publisher = "Academic Press Inc.",

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TY - JOUR

T1 - Structure and magnetic properties of the orthorhombic n=2 Ruddlesden-Popper phases Sr3Co2O5+δ (δ=0.91, 0.64 and 0.38)

AU - Viciu, L.

AU - Zandbergen, H. W.

AU - Xu, Q.

AU - Huang, Q.

AU - Lee, M.

AU - Cava, R. J.

N1 - Funding Information: This work was supported by the US Department of Energy, Grant DE-FG-02-ER45706, and by the NSF MRSEC program, Grant DMR-0213706. The work at Delft was supported by The Nederlandse Stichting voor Fundamenteel Onderzoek der Materie (FOM).

PY - 2006/2

Y1 - 2006/2

N2 - The reduced Ruddlesden-Popper phases, Sr3Co2O 5+δ with δ=0.91, 0.64 and 0.38, have been prepared in a nitrogen atmosphere. The crystal structures were determined by powder neutron diffraction. Oxygen vacancies are found both in O(3) and O(4) sites but the majority are along one crystallographic axis in the CoO 2 plane, inducing an orthorhombic distortion of the normally tetragonal n=2 Ruddelsden-Popper structure. Superstructures due to oxygen ordering are observed by electron microscopy. The magnetic measurements reveal complex behavior with some ferromagnetic interactions present for Sr 3Co2O5.91 and Sr3Co 2O5.64.

AB - The reduced Ruddlesden-Popper phases, Sr3Co2O 5+δ with δ=0.91, 0.64 and 0.38, have been prepared in a nitrogen atmosphere. The crystal structures were determined by powder neutron diffraction. Oxygen vacancies are found both in O(3) and O(4) sites but the majority are along one crystallographic axis in the CoO 2 plane, inducing an orthorhombic distortion of the normally tetragonal n=2 Ruddelsden-Popper structure. Superstructures due to oxygen ordering are observed by electron microscopy. The magnetic measurements reveal complex behavior with some ferromagnetic interactions present for Sr 3Co2O5.91 and Sr3Co 2O5.64.

KW - Magnetic properties

KW - Oxygen deficient Ruddlesden-Popper phase

KW - SrCoO

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