The followinguses for terbium are gathered from a number of sources as well as from anecdotal comments. I would be delighted to receive corrections as well as additionalreferenced uses.

• sodium terbium borate is as a laser material and emits coherent light at 5460Â
• used to dope calcium fluoride, calcium tungstate, and strontium molybdate, used in solid-state devices
• the oxide has potential as an activator for green phosphors used in colour TV tubes
• used with ZrO₂ as a crystal stabilizer of fuel cells which operate at elevated temperature
• alloys