Chemical and morphological modifications of filamentary crystals of the Ba6Mn24O48 manganite with a tunnel structureстатья
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Дата последнего поиска статьи во внешних источниках: 18 июля 2013 г.
Аннотация:Filamentary crystals of the Ba6Mn24O48 manganite with a tunnel structure are synthesized in the protonated form for the first time. The protonated form of the whiskers is characterized by the formation of labile Mn-OH bonds, an increased value of the average oxidation number of manganese, and an anisotropic compression of the lattice in the direction perpendicular to the direction of the structural tunnels. These processes are accompanied by substantial changes in the micromorphology of whiskers, specifically by the splitting of the whiskers into 20-to 50-nm-thick nanofibers.