3 years ago

Mixed-Spin Diamond Chain Cu2FePO4F4(H2O)4 with a Noncollinear Spin Order and Possible Successive Phase Transitions

Mixed-Spin Diamond Chain Cu2FePO4F4(H2O)4 with a Noncollinear Spin Order and Possible Successive Phase Transitions
Naoaki Hayashi, Hiroshi Kageyama, Hongcheng Lu, Hiroshi Takatsu, Yuki Matsumoto
The first mixed-spin diamond system Cu2FePO4F4(H2O)4 (S1 = 1/2, S2 = 5/2) has been experimentally realized. Magnetic susceptibility, Mössbauer and heat capacity results indicate a slightly canted antiferromagnetic order at 12 K along with a possible phase transition at 3 K due to frustrated geometry of the diamond chain. Furthermore, a noncollinear magnetic structure is suggested in this system.

Publisher URL: http://dx.doi.org/10.1021/acs.inorgchem.7b01533

DOI: 10.1021/acs.inorgchem.7b01533

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