Solid solutions on the base of bismuth vanadate: Preparation, structure, phase transitions, dielectric and transport propertiesстатья
Статья опубликована в высокорейтинговом журнале
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Дата последнего поиска статьи во внешних источниках: 17 июня 2020 г.
Аннотация:Ceramic solid solutions (Bi1-yLay)4(V1-xMex)2O11-ywithx,yb0.2, Me–Zr, Ga, Fe, Cu, have been prepared bythe solid state reaction method. Crystal structure parameters, phase transitions, dielectric and transportproperties of ceramic samples have been studied. Concentration and temperature stability regions ofmonoclinicα-, orthorhombicβ-and tetragonalγ-orγ’-polymorph modifications have been determined.Annealing of samples, containing large amount of Cu and/or La dopants, at 973 K in the reducing atmosphereresulted in their decomposition, though compositions containing low content of La, Ga or Zr dopants,remained pretty stable.