Complex phosphates containing mono- and trivalent cations

Abstract

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Structural study and physical properties of a new phosphate KCuFe(PO4)2

“…In this context, complex phosphates containing mono-and trivalent cations are of particular interest [1][2][3]. The structural properties of these compounds were discussed in detail and it was revealed that the sizes of the M I and M III cations and their ratio have a dominant role in their structure formation [4].…”

Potassium gallium hydrogenphosphate fluoride, K2Ga[H(HPO4)2]F2

“…Recently, we have been systematically studying the reactivity of alkali and ammonium cations in hydrothermal synthesis and the crystal chemistry of complex gallium and indium phosphates without¯uoride agents Zhizhin et al, 2000;Filaretov et al, 2006;Rusakov et al, 2006) and with¯uoride ions as templates (Filaretov, Zhizhin, Olenev et al, 2002;Komissarova et al, 2002). In this context, we report here the hydrothermal synthesis and characterization of the ®rst potassium gallium hydrogenphosphate¯uoride, K 2 Ga[H(HPO 4 ) 2 ]F 2 , (I).…”

Hydrothermal Synthesis and Characterization of Novel Brackebuschite-Type Transition Metal Vanadates: Ba2M(VO4)2(OH), M = V3+, Mn3+, and Fe3+, with Interesting Jahn–Teller and Spin-Liquid Behavior

“…We originally began investigating the growth of vanadates as building blocks in optical applications, particularly in their role as laser hosts or luminescent materials. − The vanadates play a much broader role as a structural building block unit, however. Specifically, they are a member of the class of tetrahedral oxyanions (e.g., PO 4 3– , SO 4 2– , MoO 4 2– ) that display extensive structural versatility and can link both d-block and rare earth metal ions in a variety of environments. , The tetrahedral building blocks can play particularly interesting roles in magnetic solids since they can bridge in multiple environments to generate extended chains, three-dimensional frameworks, or two-dimensional lattices, including those with threefold symmetry leading to spin-frustrated systems with interesting and important magnetic properties …”