BERTHELOT, Romain; SCHMIDT, Whitney; MUIR, Sean; EILERTSEN, James; ÉTIENNE, Laetitia; SLEIGHT, A. W.; SUBRAMANIAN, Mass A.

doi:10.1021/ic300351t

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BERTHELOT, Romain
Department of Chemistry

SCHMIDT, Whitney
Department of Chemistry

MUIR, Sean
Department of Chemistry

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Inorganic Chemistry. 2012, vol. 51, n° 9, p. 5377-5385

American Chemical Society

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The new layered compound Li(3)Ni(2)BiO(6) has been prepared by a solid-state reaction. It crystallizes in the monoclinic C2/m space group; its lamellar structure is characterized by a honeycomb ordering between Ni(2+) and Bi(5+) within the slabs, while Li(+) ions occupy octahedral sites in the interslab space. Stacking defects weakly alter the XRD pattern. By substitution of half of the nickel ions, the new phases Li(3)NiM'BiO(6) (M' = Mg, Cu, Zn) isostructural with Li(3)Ni(2)BiO(6) have been synthesized under similar conditions. All these compounds demonstrate paramagnetic behavior at high temperature, and Li(3)Ni(2)BiO(6) exhibits an antiferromagnetic ordering at 5.5 K. By topotactic molten salt ionic exchange, the new delafossite compound Ag(3)Ni(2)BiO(6) has been also obtained and characterized.< Leer menos

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Layered compounds

Delafossite

Solid state reactions

Crystal structure

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New Layered Compounds with Honeycomb Ordering: Li(3)Ni(2)BiO(6), Li(3)NiM'BiO(6) (M' = Mg, Cu, Zn), and the Delafossite Ag(3)Ni(2)BiO(6).

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