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14 citations found for Shvanskaya, L.
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A new modification of CsMnPO4 (β-phase) is discussed in a superspace approach. Structural relations with topologically and chemically similar compounds are shown.
Two novel compounds, namely, K2Mn3(H2O)2[P2O7]2 and KMn(H2O)2[Al2(PO4)3], are members of the A2M3(H2O)2[P2O7]2 and AM2+(H2O)2[M3+2(PO4)3] morphotropic series with atoms of alkali (A) and first-row transition (M) metals. A study of the magnetic susceptibility of KMn(H2O)2[Al2(PO4)3] revealed its paramagnetic behaviour.
The crystal structures of three novel caesium borophosphates with chain-type anionic fragments are reported. Relationships between new and known phases are discussed in terms of the effect of the initial crystallization medium on the structure.
The novel compound Cs2CuAl4O8 was synthesized from a phosphate flux and its structure was determined from single-crystal X-ray diffraction data; topological relations with zeolite-like phases are discussed. The quantum ground state of this compound is gapped spin liquid.
New compounds, KCuAl[PO4]2 (I) and K(Al,Zn)2[(P,Si)O4]2 (II), obtained hydrothermally, were studied by single-crystal X-ray diffraction. Based on its structure, (I) is a potentially electrochemically active material and/or possible low-temperature antiferromagnet. The phase (II) was established to be a product of epitaxial intergrowth of phosphate KAlZn[PO4]2 and silicate KAlSi[SiO4]2 components with close crystal structures, thus providing a single diffraction pattern.
The crystal structure of RbMn4(PO4)3, which was synthesized hydrothermally, has been refined in the space group Pnnm (D2h12). At low temperatures, the compound orders into a canted antiferromagnetic state with finite spontaneous magnetization.
In the crystal structure of KMn2V3O10, tetramers of MnO6 octahedra sharing edges and trimers of VO4 tetrahedra sharing vertices are linked in a three-dimensional framework with channels occupied by K3+ ions. The novel representative in the rare family of trivanadates orders antiferromagnetically at TN = 8.2 K.