Used in cathode ray tubes and electronic components due to its ability to emit electrons when heated.

Commonly applied in the production of ferrites for permanent magnets, especially in loudspeakers and small motors.

Serves as a stabilizer in zirconia-based ceramics, improving thermal and structural stability.

Utilized in glass manufacturing to enhance optical clarity and reduce x-ray emissions in TV and monitor screens.

Acts as a drying agent for solvents and gases in laboratory and industrial settings.

Investigated for use in solid oxide fuel cells as a component in electrode materials.