Nanostructuring in the Process of Formation
of Rare-Earth Tungstates

G. A. Bandurkin, N. N. Chudinova, G. V. Lysanova,
V. A. Krut’ko, and M. G. Komova

Kurnakov Institute of General and Inorganic Chemistry, Russian Academy of Sciences,
Leninskii pr. 31, Moscow, 119991 Russia

Received March 25, 2005

Abstract—Studying the textures (the preferred orientation of the nanometer building blocks) in the structures
of neodymium tungstates shows that infinite dimeric bands {[LnO_n][LnO_n]}{[LnO_n][LnO_n]} in a fluorite-
like structure field of the Nd₂O₃–WO₃ binary system undergo fragmentation and modification. The structural
background (staggered arrangement of polyhedra) is determined by the like effects of both the basic oxide
Ln₂O₃ (a fluorite-type structure) and the acid oxide WO₃ (a ReO₃-type structure).

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