Breathing Pyrochlore Lattice Realized in A-Site Ordered Spinel Oxides LiGaCr4O8 and LiInCr4O8Report as inadecuate



 Breathing Pyrochlore Lattice Realized in A-Site Ordered Spinel Oxides LiGaCr4O8 and LiInCr4O8


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A unique type of frustrated lattice is found in two A-site ordered spinel oxides, LiGaCr4O8 and LiInCr4O8. Because of the large size mismatch between Li+ and Ga3+-In3+ ions at the A site, the pyrochlore lattice, made up of Cr3+ ions carrying spin 3-2, becomes an alternating array of small and large tetrahedra, i.e., a -breathing- pyrochlore lattice

Author: Yoshihiko Okamoto; Gøran J. Nilsen; J. Paul Attfield; Zenji Hiroi

Source: https://archive.org/



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