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Magnetic properties...
Magnetic properties of Ruddlesden-Popper phases Sr3−x Yx (Fe1.25 Ni0.75) O7−δ : A combined experimental and theoretical investigation
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- Keshavarz, Samara (författare)
- Department of Physics and Astronomy, Division of Materials Theory, Uppsala University, Uppsala, Sweden
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- Kontos, Sofia (författare)
- Department of Engineering Sciences, Division of Solid State Physics, Uppsala University, Uppsala, Sweden
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- Wardecki, Dariusz (författare)
- Department of Materials and Environmental Chemistry, Stockholm University, Stockholm, Sweden; Institute of Experimental Physics, Faculty of Physics, University of Warsaw, Warsaw, Poland; Department of Chemistry and Chemical Engineering, Chalmers University of Technology, Gothenburg, Sweden
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- Kvashnin, Yaroslav O. (författare)
- Department of Physics and Astronomy, Division of Materials Theory, Uppsala University, Uppsala, Sweden
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- Pereiro, Manuel (författare)
- Department of Physics and Astronomy, Division of Materials Theory, Uppsala University, Uppsala, Sweden
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- Panda, Swarup K. (författare)
- Department of Physics and Astronomy, Division of Materials Theory, Uppsala University, Uppsala, Sweden
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- Sanyal, Biplab (författare)
- Department of Physics and Astronomy, Division of Materials Theory, Uppsala University, Uppsala, Sweden
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- Eriksson, Olle, 1960- (författare)
- Örebro universitet,Institutionen för naturvetenskap och teknik,Department of Physics and Astronomy, Division of Materials Theory, Uppsala University, Uppsala, Sweden
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- Grins, Jekabs (författare)
- Department of Materials and Environmental Chemistry, Stockholm University, Stockholm, Sweden
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- Svensson, Gunnar (författare)
- Department of Materials and Environmental Chemistry, Stockholm University, Stockholm, Sweden
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- Gunnarsson, Klas (författare)
- Department of Engineering Sciences, Division of Solid State Physics, Uppsala University, Uppsala, Sweden
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- Svedlindh, Peter (författare)
- Department of Engineering Sciences, Division of Solid State Physics, Uppsala University, Uppsala, Sweden
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(creator_code:org_t)
- American Physical Society, 2018
- 2018
- Engelska.
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Ingår i: Physical Review Materials. - : American Physical Society. - 2475-9953. ; 2:4
- Relaterad länk:
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https://urn.kb.se/re...
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https://doi.org/10.1...
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Abstract
Ämnesord
Stäng
- We present a comprehensive study of the magnetic properties of Sr3-xYx(Fe1.25Ni0.75)O-7(-delta )(0 <= x <= 0.75). Experimentally, the magnetic properties are investigated using superconducting quantum interference device (SQUID) magnetometry and neutron powder diffraction (NPD). This is complemented by a theoretical study based on density functional theory as well as the Heisenberg exchange parameters. Experimental results show an increase in the Ned temperature (T-N) with an increase of Y concentrations and O occupancy. The NPD data reveal that all samples are antiferromagnetically ordered at low temperatures, which has been confirmed by our theoretical simulations for the selected samples. Our first-principles calculations suggest that the three-dimensional magnetic order is stabilized due to finite interlayer exchange couplings. The latter give rise to finite interlayer spin-spin correlations, which disappear above T-N.
Ämnesord
- NATURVETENSKAP -- Fysik -- Den kondenserade materiens fysik (hsv//swe)
- NATURAL SCIENCES -- Physical Sciences -- Condensed Matter Physics (hsv//eng)
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Keshavarz, Samar ...
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Kontos, Sofia
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Wardecki, Darius ...
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Kvashnin, Yarosl ...
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Pereiro, Manuel
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Panda, Swarup K.
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visa fler...
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Sanyal, Biplab
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Eriksson, Olle, ...
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Grins, Jekabs
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Svensson, Gunnar
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Gunnarsson, Klas
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Svedlindh, Peter
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Örebro universitet