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Synthesis, Crystal Structure, and Physical Properties of Sr2FeOsO6

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Paul,  A. K.
Max Planck Institute for Chemical Physics of Solids, Max Planck Society;

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Jansen,  M.
Inorganic Chemistry, Max Planck Institute for Chemical Physics of Solids, Max Planck Society;

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Yan,  B.
Binghai Yan, Inorganic Chemistry, Max Planck Institute for Chemical Physics of Solids, Max Planck Society;

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Felser,  C.
Claudia Felser, Inorganic Chemistry, Max Planck Institute for Chemical Physics of Solids, Max Planck Society;

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Citation

Paul, A. K., Jansen, M., Yan, B., Felser, C., Reehuis, M., & Abdala, P. M. (2013). Synthesis, Crystal Structure, and Physical Properties of Sr2FeOsO6. Inorganic Chemistry, 52(11), 6713-6719. doi:10.1021/ic400740f.


Cite as: http://hdl.handle.net/11858/00-001M-0000-0015-1EAE-B
Abstract
In the exploration of new osmium based double perovskites, Sr2FeOsO6 is a new insertion in the existing family. The polycrystalline compound has been prepared by solid state synthesis from the respective binary oxides Powder X-ray diffraction (PXRD) analysis shows the structure is pseudocubic at room temperature, whereas low temperature synchrotron data refinements reveal the structure to be tetragonal, space group I4/m. Heat capacity and magnetic measurements of Sr2FeOsO6 indicated the presence of two magnetic phase transitions at T-1 = 140 K and T-2 = 67 K. Band structure calculations showed the compound as a narrow energy gap semiconductor, which supports the experimental results obtained from the resistivity measurements The present study documents significant structural and electronic effects of substituting Fe3+ for Cr3+ ion in Sr2CrOsO6.