Description:
AbstractAg2VAsO6 (I) and Ag6V2As2O13 (II) are prepared by solid state reaction of stoichiometric mixtures of Ag2O, V2O5, and As2O3 under high oxygen pressure (autoclave, Au tubes; for (I): 40 mPa O2, 750 K, 72 h; for (II): 55 MPa., 750 K, 36 h).