Abstract
The isostructural double perovskites Ba2CuTeO6 and Ba2CuWO6 are shown by theory and experiment to be frustrated square-lattice antiferromagnets with opposing dominant magnetic interactions. This is driven by differences in orbital hybridisation of Te6+ and W6+. A spin-liquid-like ground state is predicted for Ba2Cu(Te1-xWx)O6 solid solution similar to recent observations in Sr2Cu(Te1-xWx)O6.
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CITATION STYLE
Mustonen, O., Vasala, S., Mutch, H., Thomas, C. I., Stenning, G. B. G., Baggio-Saitovitch, E., … Karppinen, M. (2019). Magnetic interactions in the: S = 1/2 square-lattice antiferromagnets Ba2CuTeO6 and Ba2CuWO6: Parent phases of a possible spin liquid. Chemical Communications, 55(8), 1132–1135. https://doi.org/10.1039/c8cc09479a
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