An investigation of the electronic, structural and magnetic properties of the ruddlesden-popper phase Sr3RuCoO7

H. A. Hopper; E. J. Wildman; D. E. Macphee; F. Sher; C. Ritter; M. Lledos; G. Stenning; A. C. McLaughlin

doi:10.1016/j.jssc.2017.06.010

An investigation of the electronic, structural and magnetic properties of the ruddlesden-popper phase Sr₃RuCoO₇

H. A. Hopper, E. J. Wildman, D. E. Macphee, F. Sher, C. Ritter, M. Lledos, G. Stenning, A. C. McLaughlin^*

^*Corresponding author for this work

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Abstract

The structural, magnetic and electronic properties of the Ruddlesden-Popper material Sr₃CoRuO₇ have been investigated. Examination of the dc and ac magnetic susceptibility demonstrates that Sr₃CoRuO₇ exhibits a spin glass transition at 40 K and a magnetic transition at 140 K. Variable-temperature neutron powder diffraction experiments showed no evidence of magnetic diffraction peaks down to 5 K. This suggests the transition at 140 K is a result of short range magnetic order or magnetic clustering of the Co/Ru spins. Sr₃CoRuO₇ is semiconducting and Mott variable range hopping behaviour is observed below 240 K.

Original language	English
Pages (from-to)	313-317
Number of pages	5
Journal	Journal of Solid State Chemistry
Volume	253
Early online date	15 Jun 2017
DOIs	https://doi.org/10.1016/j.jssc.2017.06.010
Publication status	Published - Sep 2017

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Keywords

Antiferromagnet
Crystal structure
Diffraction
Neutron
Ruddlesden Popper
Spin glass

ASJC Scopus subject areas

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

Cite this

Hopper, H. A., Wildman, E. J., Macphee, D. E., Sher, F., Ritter, C., Lledos, M., ... McLaughlin, A. C. (2017). An investigation of the electronic, structural and magnetic properties of the ruddlesden-popper phase Sr₃RuCoO₇. Journal of Solid State Chemistry, 253, 313-317. https://doi.org/10.1016/j.jssc.2017.06.010

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title = "An investigation of the electronic, structural and magnetic properties of the ruddlesden-popper phase Sr3RuCoO7",

abstract = "The structural, magnetic and electronic properties of the Ruddlesden-Popper material Sr3CoRuO7 have been investigated. Examination of the dc and ac magnetic susceptibility demonstrates that Sr3CoRuO7 exhibits a spin glass transition at 40 K and a magnetic transition at 140 K. Variable-temperature neutron powder diffraction experiments showed no evidence of magnetic diffraction peaks down to 5 K. This suggests the transition at 140 K is a result of short range magnetic order or magnetic clustering of the Co/Ru spins. Sr3CoRuO7 is semiconducting and Mott variable range hopping behaviour is observed below 240 K.",

keywords = "Antiferromagnet, Crystal structure, Diffraction, Neutron, Ruddlesden Popper, Spin glass",

author = "Hopper, {H. A.} and Wildman, {E. J.} and Macphee, {D. E.} and F. Sher and C. Ritter and M. Lledos and G. Stenning and McLaughlin, {A. C.}",

note = "Acknowledgements We acknowledge the University of Aberdeen for provision of a studentship for Harriet Hopper and the Higher Education Commission of Pakistan for providing a visiting fellowship for Dr. Falak Sher.",

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AU - Hopper, H. A.

AU - Wildman, E. J.

AU - Macphee, D. E.

AU - Sher, F.

AU - Ritter, C.

AU - Lledos, M.

AU - Stenning, G.

AU - McLaughlin, A. C.

N1 - Acknowledgements We acknowledge the University of Aberdeen for provision of a studentship for Harriet Hopper and the Higher Education Commission of Pakistan for providing a visiting fellowship for Dr. Falak Sher.

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N2 - The structural, magnetic and electronic properties of the Ruddlesden-Popper material Sr3CoRuO7 have been investigated. Examination of the dc and ac magnetic susceptibility demonstrates that Sr3CoRuO7 exhibits a spin glass transition at 40 K and a magnetic transition at 140 K. Variable-temperature neutron powder diffraction experiments showed no evidence of magnetic diffraction peaks down to 5 K. This suggests the transition at 140 K is a result of short range magnetic order or magnetic clustering of the Co/Ru spins. Sr3CoRuO7 is semiconducting and Mott variable range hopping behaviour is observed below 240 K.

AB - The structural, magnetic and electronic properties of the Ruddlesden-Popper material Sr3CoRuO7 have been investigated. Examination of the dc and ac magnetic susceptibility demonstrates that Sr3CoRuO7 exhibits a spin glass transition at 40 K and a magnetic transition at 140 K. Variable-temperature neutron powder diffraction experiments showed no evidence of magnetic diffraction peaks down to 5 K. This suggests the transition at 140 K is a result of short range magnetic order or magnetic clustering of the Co/Ru spins. Sr3CoRuO7 is semiconducting and Mott variable range hopping behaviour is observed below 240 K.

KW - Antiferromagnet

KW - Crystal structure

KW - Diffraction

KW - Neutron

KW - Ruddlesden Popper

KW - Spin glass

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