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Information × Registration Number 0217U006887, 0117U003167 , R & D reports Title Study of thermobaric and composition stability of the perovskite-type phases in the ternary La2O3-Lu2O3(Y2O3)-Ln2O3 systems (where Ln = Er2O3, Yb2O3) for anisotropic textured laser matrices popup.stage_title Head Andrievskaya E.R, Registration Date 21-12-2017 Organization Frantzevich Insitute for Materials Science Problems of the Ukranian National Academy of Sciences popup.description2 The phase equilibriums in binary systems in the temperature range 1600-1100 ° C are investigated, where the intermediate phase is organized / disordered and in triple systems at 1500 ° C in the whole range of concentrations. Based on the obtained results, the elements of the diagrams of the state of the specified systems are constructed. It is established that in systems La2O3-Er2O3 (Yb2O3) three types of solid solutions are formed: on the basis of hexagonal modification of A-La2O3, cubic modification of C-Ln2O3, and the ordered phase LaLnO3 (R) crystallizing in a perovskite-type structure with rhomboid curvature. The corresponding isothermal sections of state diagrams of triple systems are constructed. It was established that in the La2O3-Y2O3-Er2O3 (Yb2O3) systems, solid solutions based on cubic (C), hexagonal (A) and monoclinic (B) crystalline modifications of the initial components and ordered phases LaYO3, LaErO3, LaYbO3 are formed. Product Description popup.authors Биков О.І. Власко Н.І. Корнієнко О.А. Рагуля А.В. Чудінович О.В. popup.nrat_date 2020-04-02 Close