Barium Tellurite
- Empirical Formula: BaO3Te
- Molecular Weight: 312.9252
What is Barium Tellurite?
Description
Barium tellurite has the molecular formula of BaTeO3
and the molecular weight of 265.4015 g/mol. Its CAS
number is 58440-17-8. It can be formed via the solid-state
reaction:
BaO+ TeO2
+ heat ? BaTeO3
An inert atmosphere is required. This salt is a metatellurite.
A series of BaO–TeO2 binary ceramic
compounds were explored for microwave dielectric
applications with ultralow processing temperatures.
During the calcination of mixed BaCO3 and TeO2 raw
powders, BaTe4O9, BaTe2O6, BaTeO3, and Ba2TeO5
phases were obtained through the sequential phase
formations from Te-rich to Ba-rich phases at temperatures
ranging from 500 to 850°C. Sintering temperatures
were as low as only 550°C for the Te-rich phases.
Barium tellurate ceramics exhibited excellent microwave
dielectric properties with intermediate dielectric
permittivities and high-quality factors (Q).
The Uses of Barium Tellurite
Barium tellurite has not found much usage in industry but is available commercially. In spite of the extensive study of barium tellurite as a component of tellurite glasses, the physical properties such as melting point, etc. are not available.
Safety information for Barium Tellurite
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