Syntheses, Structure, and Magnetic Properties of New 3d–4f Heterometallic Hydroxysulfates Ln<sub>2</sub>Cu(SO<sub>4</sub>)<sub>2</sub>(OH)<sub>4</sub> (Ln = Sm, Eu, Tb, or Dy) with a Two-Dimensional Triangle Network
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https://figshare.com/articles/dataset/Syntheses_Structure_and_Magnetic_Properties_of_New_3d_4f_Heterometallic_Hydroxysulfates_Ln_sub_2_sub_Cu_SO_sub_4_sub_sub_2_sub_OH_sub_4_sub_Ln_Sm_Eu_Tb_or_Dy_with_a_Two_Dimensional_Triangle_Network/2162134
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资源简介：
A series
of 3d–4f hydroxysulfates Ln2Cu(SO4)2(OH)4 (Ln = Sm, Eu, Tb, or Dy) have
been successfully obtained by the conventional hydrothermal method.
These compounds crystallize in the monoclinic system in space group P21/c, showing a layered structure.
The layers are built by the LnO9 polyhedra and CuO4 planar squares, which are separated by SO42– tetrahedra. The topological structure of Sm3+ ions shows a distorted honeycomb lattice, while Cu2+ ions
are located at the center of a honeycomb framework forming a triangle
lattice. Magnetic measurements
reveal that the isostructural Ln2Cu(SO4)2(OH)4 exhibits different magnetic behaviors at
low temperatures, which may be attributed to the different contribution
of 3d–4f couplings.
创建时间：
2016-02-13
