A new method of receiving cubic fluoride pyrochlores of indium(III) and gallium(III)

Authors

  • Ruven L. Davidovich Institute of Chemistry, FEB RAS, Vladivostok, Russia
  • Vera B. Logvinova Institute of Chemistry, FEB RAS, Vladivostok, Russia
  • Evgenii B. Merkulov Институт химии ДВО РАН, Владивосток, Россия
  • Elena I. Voit Institute of Chemistry, FEB RAS, Vladivostok, Russia

Keywords:

fluoride pyrochlore, preparation method, complex fluorides, indium(III), gallium(III), dehydration, precursor

Abstract

A new simple method has been developed for receiving cubic indium(III) and gallium(III) fluoride pyrochlores based on the use of the newly synthesized complex fluorides Cs[Cu(H2O)4] InF6 and Cs[Cu(H2O)4]GaF6 as precursors and their dehydration in a static air atmosphere in the temperature range 20‒160 oC within 25‒30 minutes. The developed method has significant advantages over existing methods for the production of fluoride pyrochlores, using solid-phase reactions of the initial components with their simultaneous fluorination with gaseous F2 at 450‒600 oC for 6‒10 hours or interaction of the corresponding mixture of components in sealed silver, platinum or gold tubes in the temperature range of 600‒1000 oC for 8‒10 days followed by quenching.

Author Biographies

Ruven L. Davidovich, Institute of Chemistry, FEB RAS, Vladivostok, Russia

Doctor of Sciences in Chemistry, Professor, Chief Researcher  

http://orcid.org/0000-0002-8473-3580

Vera B. Logvinova, Institute of Chemistry, FEB RAS, Vladivostok, Russia

Candidate of Sciences in Chemistry, Researcher

https://orcid.org/0009-0002-2162-8326

Evgenii B. Merkulov, Институт химии ДВО РАН, Владивосток, Россия

Candidate of Sciences in Chemistry, Senior Researcher

https://orcid.org/0000-0001-9698-5454

Elena I. Voit, Institute of Chemistry, FEB RAS, Vladivostok, Russia

Candidate of Sciences in Chemistry, Senior Researcher

https://orcid.org/0000-0002-3709-2944

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Published

2023-12-21

How to Cite

Davidovich Р. Л., Logvinova В. Б., Merkulov Е. Б., & Voit Е. И. (2023). A new method of receiving cubic fluoride pyrochlores of indium(III) and gallium(III). Vestnik of the Far East Branch of the Russian Academy of Sciences, (6), 45–54. Retrieved from http://vestnikdvo.ru/index.php/vestnikdvo/article/view/1140

Issue

No. 6 (2023)

Section

Химические науки. Синтез, структура и свойства комплексных соединений