ChemInform Abstract: 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

Large single crystals of Ba2V(VO4)2(OH) (I) and Sr2V(VO4)2(OH) (II) are hydrothermally synthesized from mixtures of BaO or SrO, V2O3, V2O5, and aqueous NaOH as a mineralizer solution (Ag ampules, autoclave, 1.2 kbar, 650 °C, 10 d).