While being quite expensive, samarium cobalt magnets are:
►High Hc and Hci
►Very good temperature stability
►Powerful for size
►Negative side: samarium cobalt is price sensitive due to cobalt supply and demand.
Applications of Samarium Cobalt Magnets
Samarium Cobalt is used in these general applications:
►Traveling wave tubes
►Computer rigid disc drives
►D.C. Motors (where temperature stability is vital, such as, Military use-satellite systems, small military motors) sensors, growing automotive applications and linear actuators.