Вид документа : Статья из журнала Шифр издания : 54/G 96 Автор(ы) : Gusev A. I., Davydov D. A. Заглавие : V52O64 Tetragonal Superstructure of Cubic Vanadium Monoxide with Vacancies in the Metal Sublattice Место публикации : JETP Letters. - 2008. - Vol. 88, № 2. - С. 111-117: il. Примечания : Bibliogr. : p. 117 (21 ref.) ISSN: 0021-3640 ББК : 54 Предметные рубрики: ХИМИЧЕСКИЕ НАУКИ Ключевые слова (''Своб.индексиров.''): монооксид ванадия--тетрагональная сверхструктура--нестехиометрия Аннотация: The atom–vacancy ordering of cubic vanadium monoxide VO1.29, which has basis cubic structure B1 and structural vacancies in the metal sublattice, has been studied using the x-ray diffraction method. It has been shown that the formation of the tetragonal (space group I41/amd) ordered phase V52O64 of cubic vanadium monoxide VOy proceeds as a first-order phase transition through the disorder–order channel including 22 nonequivalent superstructure vectors of four stars {k10}, {k4}, {k3}, and {k2}. The distribution function of the vanadium atoms in the V52O64 tetragonal superstructure has been calculated Доп.точки доступа: Davydov, D. A.; Гусев Александр Иванович