... ,Ce,Pr,Nd,Sm,Eu,Gd,Tb,Dy,Ho,Er,Tm,Yb,Lu,Y,Sc) Purity:99.95-99.99% Rare ... -99.99% ( high purity and include low content of impurities.) 5. Dimensions: (Various kinds of forms of alloy target materials) (1 ... ,Ce,Pr,Nd,Sm,Eu,Gd,Tb,Dy,Ho,Er,Tm,Yb,Lu,Y,Sc)