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Title: Stabilising the orthorhombic perovskite structure in SrIrO3 through chemical doping. Synthesis, structure and magnetic properties of SrIr1-xMgxO3(0.20 <= x <= 0.33)
Authors: Qasim, I
Kennedy, BJ
Avdeev, M
Keywords: Synthesis
Electric conductivity
Issue Date: 1-Jan-2013
Publisher: Royal Society of Chemistry
Citation: Qasim, I., Kennedy, B.J., & Avdeev, M. (2013). Stabilising the orthorhombic perovskite structure in sriro3 through chemical doping. Synthesis, structure and magnetic properties of srir1-xmgxo3(0.20 <= x <= 0.33). Journal of Materials Chemistry A, 1(42), 13357-13362. doi:10.1039/c3ta12326j
Abstract: The synthesis, structure, magnetic and electric conductivity properties of Mg doped SrIrO3 are described. Doping SrIrO3 with Mg favours an orthorhombic structure over the hexagonal face-sharing structure. Polycrystalline samples of the type SrIr1-xMgxO3 with an orthorhombic perovskite-type structure have been formed for 0.2 < x < 0.33. At x = 0.2 the formal oxidation state of the Ir is +4.5 and the material displays metallic conductivity. At x = 0.33 the Ir is in the +5 state and the material is non-metallic. Magnetic susceptibility measurements demonstrate the materials to be spin-glasses in which short range ferromagnetic interactions are evident.© 2013, Royal Society of Chemistry
Gov't Doc #: 5429
ISSN: 2050-7488
Appears in Collections:Journal Articles

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