Static and Dynamic Magnetic Properties of Spin-1/2 Inequilateral Diamond-Chain Compounds $A_3$Cu${}_3$AlO${}_2$(SO${}_4$)${}_4$ ($A$=K, Rb, and Cs)

Katsuhiro Morita, Masayoshi Fujihala, Hiroko Koorikawa +4

Spin-1/2 compounds A3Cu3AlO2(SO4)4 (A=K, Rb, and Cs) have one-dimensional (1D) inequilateral diamond chains. We analyze the temperature dependence of the magnetic susceptibility an…