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  • Lithium ions diffuse rapidly within the lattice of a strongly correlated perovskite called samarium nickelate. Quantum calculations show that this fast shuttle occurs due to the low thermodynamic barrier associated with hopping of Li ions (shown as purple sphere) between adjacent tetrahedral sites (purple dotted circles). The samarium, nickel, and oxygen are shown as yellow, green, and red spheres respectively, while the NiO6 octahedra are highlighted in green.
    Argonne National Laboratory
    Lithium ions diffuse rapidly within the lattice of a strongly correlated perovskite called samarium nickelate. Quantum calculations show that this fast shuttle occurs due to the low thermodynamic barrier associated with hopping of Li ions (shown as purple sphere) between adjacent tetrahedral sites (purple dotted circles). The samarium, nickel, and oxygen are shown as yellow, green, and red spheres respectively, while the NiO6 octahedra are highlighted in green.
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