Structural chemistry and electronic properties of Sr(2)FelrO(6)
A polycrystalline sample of Sr2FeIrO6 has been synthesized and shown by a combination of X-ray diffraction, neutron diffraction, magnetometry, and Mössbauer spectroscopy to be a tri-clinic (space group I1̄; a = 5.54996(3) Å, b = 5.57847(3) Å, c = 7.84165(3) Å, α = 89.990(1)°, β= 90.059(1)°, γ = 90.0...
| প্রধান লেখক: | , , , |
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| বিন্যাস: | Conference item |
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1999
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| _version_ | 1826263071556894720 |
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| author | Battle, P Blake, G Gibb, T Vente, J |
| author_facet | Battle, P Blake, G Gibb, T Vente, J |
| author_sort | Battle, P |
| collection | OXFORD |
| description | A polycrystalline sample of Sr2FeIrO6 has been synthesized and shown by a combination of X-ray diffraction, neutron diffraction, magnetometry, and Mössbauer spectroscopy to be a tri-clinic (space group I1̄; a = 5.54996(3) Å, b = 5.57847(3) Å, c = 7.84165(3) Å, α = 89.990(1)°, β= 90.059(1)°, γ = 90.079(1)°) perovskite, with a partially ordered (0.928:0.072(4)) distribution of transition metal cations over the six-coordinate sites. The predominant oxidation states are Fe3+ and Ir5+, although the Mössbauer data suggest that ∼4% Fe4+ is present. The compound is a Type II antiferromagnet below 120 K, with an ordered magnetic moment on the Fe-dominated sites of 3.67 (3) μB per Fe3+ cation. The spins associated with the antisite defects are frustrated and do not take part in the long-range magnetic ordering, consequently giving rise to hysteresis in the magnetic susceptibility below 40 K. The possible location of the Fe4+ cations is discussed briefly. © 1999 Academic Press. |
| first_indexed | 2024-03-06T19:45:52Z |
| format | Conference item |
| id | oxford-uuid:2248320e-f16a-4a6d-9490-6498049e1dd6 |
| institution | University of Oxford |
| last_indexed | 2024-03-06T19:45:52Z |
| publishDate | 1999 |
| record_format | dspace |
| spelling | oxford-uuid:2248320e-f16a-4a6d-9490-6498049e1dd62022-03-26T11:37:52ZStructural chemistry and electronic properties of Sr(2)FelrO(6)Conference itemhttp://purl.org/coar/resource_type/c_5794uuid:2248320e-f16a-4a6d-9490-6498049e1dd6Symplectic Elements at Oxford1999Battle, PBlake, GGibb, TVente, JA polycrystalline sample of Sr2FeIrO6 has been synthesized and shown by a combination of X-ray diffraction, neutron diffraction, magnetometry, and Mössbauer spectroscopy to be a tri-clinic (space group I1̄; a = 5.54996(3) Å, b = 5.57847(3) Å, c = 7.84165(3) Å, α = 89.990(1)°, β= 90.059(1)°, γ = 90.079(1)°) perovskite, with a partially ordered (0.928:0.072(4)) distribution of transition metal cations over the six-coordinate sites. The predominant oxidation states are Fe3+ and Ir5+, although the Mössbauer data suggest that ∼4% Fe4+ is present. The compound is a Type II antiferromagnet below 120 K, with an ordered magnetic moment on the Fe-dominated sites of 3.67 (3) μB per Fe3+ cation. The spins associated with the antisite defects are frustrated and do not take part in the long-range magnetic ordering, consequently giving rise to hysteresis in the magnetic susceptibility below 40 K. The possible location of the Fe4+ cations is discussed briefly. © 1999 Academic Press. |
| spellingShingle | Battle, P Blake, G Gibb, T Vente, J Structural chemistry and electronic properties of Sr(2)FelrO(6) |
| title | Structural chemistry and electronic properties of Sr(2)FelrO(6) |
| title_full | Structural chemistry and electronic properties of Sr(2)FelrO(6) |
| title_fullStr | Structural chemistry and electronic properties of Sr(2)FelrO(6) |
| title_full_unstemmed | Structural chemistry and electronic properties of Sr(2)FelrO(6) |
| title_short | Structural chemistry and electronic properties of Sr(2)FelrO(6) |
| title_sort | structural chemistry and electronic properties of sr 2 felro 6 |
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