| http://www.w3.org/ns/prov#value | - A compound having a formula CaGa2 O4 :n%RE, wherein RE is a rare earth selected from the group consisting of Eu, Tb, Pr and combinations thereof, wherein n % is the mole percent of RE present in CaGa2 O4, and spans the range in which said rare earths are soluble in CaGa2 O4.
|