More specifically, among such oxide materials are Dy2O3, Er2O3, Eu2O3, Gd2O3, Ho2O3, In2O3, La2O3, Lu2O3, β Mn2O3, Nd2O3, Pr2O3, Sc2O3, Sm2O3, {TAIL ~ Tb2O3}, Tl2O3, Tm2O3, Y2O3 and {HEAD ~ Yb2O3} 
More specifically , among such oxide materials are Dy2O3 , Er2O3 , Eu2O3 , Gd2O3 , Ho2O3 , In2O3 , La2O3 , Lu2O3 , β Mn2O3 , Nd2O3 , Pr2O3 , Sc2O3 , Sm2O3 , { TAIL ~ Tb2O3 } , Tl2O3 , Tm2O3 , Y2O3 and { HEAD ~ Yb2O3 }
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