What are some the common uses of Terbium?

Answer:
Terbium is used to dope some types of solid-state devices and, along with zirconium dioxide (ZrO2), as a crystal stabilizer in fuel cells that operate at high temperatures.
First answer by Rlefleur. Last edit by Rlefleur. Contributor trust: 2 [recommend contributor recommended]. Question popularity: 2 [recommend question].