FIELD: metallurgy. SUBSTANCE: enumerated magnesium-, zinc- and nickel-substituted bismuth niobates having general formula of (Bi2/3[]1/3)2(Me2+
1/
3Nb2/3)2O6[]1, where [] denotes vacancies and Me2+ represents magnesium, zinc or nickel can be employed as high-frequency capacitor materials having marked dielectric permeability, dielectric permeability temperature coefficient and low value of dielectric loss angle tangent. EFFECT: higher quality. 4 tbl
