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AbstractAbstract
[en] New double cerium orthophosphates with mono- and bivalent elements of the type ACe2(PO4)3, B0.5Ce2(PO4)3, A3Ce1.5(PO4)3, B1.5Ce1.5(PO4)3 ( A = Li, Na, K, Rb, Cs; B = Mg, Ca, Sr, Ba, Cd) were synthesized. The compounds prepared were characterized by the methods of X-ray phase analysis and IR spectroscopy. Their behavior during heating was studied. General regularities of phase formation in series of orthophosphates of 4f- and 5f-elements of isostoichiometric compositions were analyzed. It is shown that sometimes Ce(IV) cannot be used as structural analog of Pu(IV) and other actinides(IV)
[ru]
Синтезированы новые двойные ортофосфаты церия с одно- и двухвалентными элементами вида ACe2(PO4)3, B0.5Ce2(PO4)3, A3Ce1.5(PO4)3, B1.5Ce1.5(PO4)3 ( A = Li, Na, K, Rb, Cs; B = Mg, Ca, Sr, Ba, Cd). Полученные соединения охарактеризованы методами рентгенофазового анализа и ИК спектроскопии. Изучено поведение их при нагревании. Проанализированы общие закономерности фазообразования в рядах орто-фосфатов 4f- и 5f-элементов изостехиометрических составов. Ce(IV) не всегда может использоваться как структурный аналог Pu(IV) и других актиноидов (IV)Original Title
Fosfaty Ce(IV) s odno- i dvukhvalentnymi ehlementami. Sintez i kristallokhimicheskie issledovaniya
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19 refs., 2 figs., 6 tabs.
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Journal Article
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