Publication: Influence of the lanthanide on the composition and structure of hydrated Ln chromates
Дата
2021
Авторы
Svetogorov, R. D.
Ognevskaya, N. V.
Tsarenko, N. А.
Seregina, O. N.
Popov, V. V.
Menushenkov, A. P.
Yastrebtsev, A. A.
Dubyago, F. E.
Rudakov, S. G.
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© 2021 Institute of Physics Publishing. All rights reserved.The effect of the Ln3+ cation type on the composition and structure of a wide range of hydrated lanthanide chromates (Ln = La, Pr, Nd, Sm, Eu, Gd, Dy, Ho, Yb, Y) has been studied. It was found that hydrated Ln chromates can be divided into several groups in terms of their composition and structure. The synthesized chromates of light lanthanides crystallize into heptahydrates [Ln2(CrO4)3(H2O)5]·2H2O (Ln = La, Pr, Nd, Sm) and tetrahydrate Eu2(CrO4)3·4H2O with a monoclinic structure (sp. gr. Р21/с). The chromates of heavy lanthanides (Ln = Gd, Dy, Ho, Yb, Y) remain X-ray amorphous.
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Influence of the lanthanide on the composition and structure of hydrated Ln chromates / Svetogorov, R.D. [et al.] // Journal of Physics: Conference Series. - 2021. - 2036. - № 1. - 10.1088/1742-6596/2036/1/012022