Novel S = 1/2 Kagome Lattice Materials: Cs2TiCu3F12 and Rb2TiCu3F12
AbstractTwo new members of the A2B′Cu3F12 family of kagome-related materials have been prepared, in order to further understand the crystal-chemical relationships, phase transitions and magnetic behaviour within this family of potentially frustrated S = ½ two-dimensional quantum magnets. Cs2TiCu3F12 adopts a crystal structure with the ideal kagome lattice topology (space group R m) at ambient temperature. Diffraction studies reveal different symmetry-lowering structural phase transitions in single crystal and polycrystalline forms at sub-ambient temperatures, with the single crystal form retaining rhombohedral symmetry and the powder form being monoclinic. In both cases, long-range antiferromagnetic order occurs in the region 16–20 K. Rb2TiCu3F12 adopts a distorted triclinic structure even at ambient temperatures. View Full-Text
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Downie, L.J.; Ardashnikova, E.I.; Tang, C.C.; Vasiliev, A.N.; Berdonosov, P.S.; Dolgikh, V.A.; de Vries, M.A.; Lightfoot, P. Novel S = 1/2 Kagome Lattice Materials: Cs2TiCu3F12 and Rb2TiCu3F12. Crystals 2015, 5, 226-243.
Downie LJ, Ardashnikova EI, Tang CC, Vasiliev AN, Berdonosov PS, Dolgikh VA, de Vries MA, Lightfoot P. Novel S = 1/2 Kagome Lattice Materials: Cs2TiCu3F12 and Rb2TiCu3F12. Crystals. 2015; 5(2):226-243.Chicago/Turabian Style
Downie, Lewis J.; Ardashnikova, Elena I.; Tang, Chiu C.; Vasiliev, Alexandre N.; Berdonosov, Peter S.; Dolgikh, Valery A.; de Vries, Mark A.; Lightfoot, Philip. 2015. "Novel S = 1/2 Kagome Lattice Materials: Cs2TiCu3F12 and Rb2TiCu3F12." Crystals 5, no. 2: 226-243.