V 92 Vorob'ev, Yu. P. Defect Structure of Rare-Earth Gallium Germanium Garnets / Yu. P. Vorob'ev, O. V. Karban // Inorganic Materials. - 2000. - Vol. 36, № 7. - P.718-725 : il. - Bibliogr. : p. 725 (20 ref.) Рубрики: ХИМИЧЕСКИЕ НАУКИ Кл.слова (ненормированные): СТРУКТУРА ГРАНАТОВ -- ГАЛЛОГЕРМАНИЕВЫЕ ГРАНАТЫ -- ДЕФЕКТНАЯ СТРУКТУРА Аннотация: The garnet structure (cation distributions over c, a, and d sites; valence states of ions; etc.) was modeled using a semiempirical relation between the lattice parameter and Shannon's radii of the cations occupying dodecahedral, octahedral, and tetrahedral sites and earlier experimental data. The nature of the defect species present and their concentrations are assessed and the competition between defects in R3Ga5Ol2- delta-based garnets is examined Полный текст |