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Novel Rattling of K Atoms in Aluminium-Doped Defect Pyrochlore Tungstate
Elvis Shoko, Gordon J Kearley, Vanessa K Peterson +5
Rattling dynamics have been identified as fundamental to superconductivity in defect pyrochlore osmates and aluminium vanadium intermetallics, as well as low thermal conductivity i…
Magnetic Properties of the Spin-1/2 Deformed Kagome Antiferromagnet Edwardsite
Hajime Ishikawa, Yoshihiko Okamoto, Zenji Hiroi
We prepared a powder sample of edwardsite Cd2Cu3(SO4)2(OH)6 4H2O, which is a new candidate compound for the spin-1/2 kagome antiferromagnet, and studied its magnetic properties by…
Breathing Pyrochlore Lattice Realized in A-Site Ordered Spinel Oxides LiGaCr4O8 and LiInCr4O8
Yoshihiko Okamoto, Gøran J. Nilsen, J. Paul Attfield +1
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…