Obtaining Iron (III) – Containing Triple Molybdate K5FeZr(MoO4)6 by Sol-Gel Technology

  • Aleksandra V. Logvinova Baikal Institute of Nature Management, Siberian Branch of the Russian Academy of Sciences, 6 ul. Sakhyanova, Ulan-Ude 670047, Republic of Buryatia, Russian Federation https://orcid.org/0000-0001-9850-2719
  • Bair G. Bazarov Baikal Institute of Nature Management, Siberian Branch of the Russian Academy of Sciences, 6 ul. Sakhyanova, Ulan-Ude 670047, Republic of Buryatia, Russian Federation; Buryat State University, 24a ul. Smolina, Ulan-Ude 670000, Republic of Buryatia, Russian Federation https://orcid.org/0000-0003-1712-6964
  • Jibzema G. Bazarova Baikal Institute of Nature Management, Siberian Branch of the Russian Academy of Sciences, 6 ul. Sakhyanova, Ulan-Ude 670047, Republic of Buryatia, Russian Federation https://orcid.org/0000-0002-1231-0116
Keywords: iron-containing, triple molybdate, zirconium, potassium series, sol-gel synthesis.

Abstract

Oxide compounds, as the basis of promising materials, are used in various fields of modern technologies due to their electrical and optical properties. Some of them, possessing a combination of ferroelectric, scintillation, electrical, and optical properties, are being studied as promising materials for electronics. In this case, their dispersion plays an important role.
Traditionally, the synthesis of oxide compounds is carried out by ceramic technology. More promising for the synthesis of fine powders are the methods of “soft” chemistry, among which we have identified and applied the sol-gel method. In this method, “mixing” occurs at the molecular level, which contributes to an increase in the reaction rates and a decrease in the synthesis temperature. The method involves the use of inorganic salts as precursors in combination with complexing agents (citric acid). The use of such precursors allows one to achieve high uniformity at relatively low temperatures. A
feature of this approach is the use of fewer organic compounds: an aqueous solution of citric acid is used as a chelating agent. The aim of this work was to obtain triple molybdate by sol-gel technology (SGT) based on the example of ironcontaining potassium zirconium molybdate.
The iron-containing triple potassium zirconium molybdate was obtained using the of citrate sol-gel technology and solidphase synthesis (SPS) methods. The triple molybdate obtained by two methods was characterized by X-ray phase analysis, DSC, and impedance spectroscopy.
The developed sol-gel synthesis technique allowed lowering the synthesis temperature, to obtain triple molybdate with high values of homogeneity, dispersion, and electrical conductivity. This technique can be used to obtain double and triple zirconium (hafnium) molybdates containing a trivalent cation.

 

 

 

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Author Biographies

Aleksandra V. Logvinova, Baikal Institute of Nature Management, Siberian Branch of the Russian Academy of Sciences, 6 ul. Sakhyanova, Ulan-Ude 670047, Republic of Buryatia, Russian Federation

PhD student, Laboratory
of Oxide Systems, Baikal Institute of Nature
Management, Siberian Branch of the Russian Academy
of Sciences (BINM SB RAS), Ulan-Ude, Russian
Federation; e-mail: Logvinova_Alexsandra@bk.ru.

Bair G. Bazarov, Baikal Institute of Nature Management, Siberian Branch of the Russian Academy of Sciences, 6 ul. Sakhyanova, Ulan-Ude 670047, Republic of Buryatia, Russian Federation; Buryat State University, 24a ul. Smolina, Ulan-Ude 670000, Republic of Buryatia, Russian Federation

DSc in Physics and Mathematics,
Leading Researcher, Laboratory of Oxide Systems,
Baikal Institute of Nature Management, Siberian
Branch of the Russian Academy of Sciences (BINM SB
RAS), Associate Professor at the Department of
Inorganic and Organic chemistry, Banzarov Buryat
State University, Ulan-Ude, Russian Federation;
e-mail: bazbg@rambler.ru.

Jibzema G. Bazarova, Baikal Institute of Nature Management, Siberian Branch of the Russian Academy of Sciences, 6 ul. Sakhyanova, Ulan-Ude 670047, Republic of Buryatia, Russian Federation

DSc in Chemistry, Chief
Scientist, Laboratory of Oxide Systems, Baikal Institute
of Nature Management, Siberian Branch of the Russian
Academy of Sciences (BINM SB RAS), Ulan-Ude,
Russian Federation; e-mail: jbaz@binm.ru.

Published
2020-09-21
How to Cite
Logvinova, A. V., Bazarov, B. G., & Bazarova, J. G. (2020). Obtaining Iron (III) – Containing Triple Molybdate K5FeZr(MoO4)6 by Sol-Gel Technology. Kondensirovannye Sredy I Mezhfaznye Granitsy = Condensed Matter and Interphases, 22(3), 353-359. https://doi.org/10.17308/kcmf.2020.22/2966
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