Preparation and characterization of Bi26-2xMn2xMo10O69-d and Bi26.4Mn0.6Mo10-2yMe2yO69-d (Me = V, Fe) Solid Solutions

Preparation and characterization of Bi26-2xMn2xMo10O69-d and Bi26.4Mn0.6Mo10-2yMe2yO69-d (Me = V, Fe) Solid Solutions

Single phase samples of bismuth molybdate, Bi26Mo10O69, doped with Mn on the bismuth sublattice and V, Fe on the molybdenum sublattice were found to crystallize in the triclinic Bi26Mo10O69 structure at low doping levels and in the monoclinic Bi26Mo10O69 structure - at higher dopant concentration. T...

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Bibliographic Details
Main Authors: Z. A. Mikhaylovskaya, M. V. Morozova, E. S. Buyanova, S. A. Petrova, I. V. Nikolaenko, D. G. Kellerman
Format: Article
Language:English
Published: Uralʹskij federalʹnyj universitet imeni pervogo Prezidenta Rossii B.N. Elʹcina 2017-09-01
Series:Chimica Techno Acta
Subjects:
bismuth molybdates
solid electrolyte
columnar structure
Online Access:https://chimicatechnoacta.ru/article/view/2380
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Summary:Single phase samples of bismuth molybdate, Bi26Mo10O69, doped with Mn on the bismuth sublattice and V, Fe on the molybdenum sublattice were found to crystallize in the triclinic Bi26Mo10O69 structure at low doping levels and in the monoclinic Bi26Mo10O69 structure - at higher dopant concentration. The assumption that all Mn ions have an oxidation state of +2 was confirmed by means of magnetic measurement results analysis using Curie-Weiss law. Conductivity was investigated using impedance spectroscopy. The conductivity of Bi26.4Mn0.6Mo9.6Fe0.4O69-d was 1.2*10-2 S*cm-1 at 973 K and 2.2*10-4 S*cm-1 at 623 K, and the conductivity of Bi26.4Mn0.6Mo9.2V0.8O69-d was 2.2*10-3 S*cm-1 at 973 K and 2.2*10-5 S*cm-1 at 623 K.
ISSN:2411-1414

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