K2Na2Gd4Nb2O13 mS92 15

• Gd-K-Na-Nb-O
• K-Na-Nb-Nd-O
• K-Na-O-Sm-Ta
• Eu-K-Na-Nb-O
• K-Na-Nb-O-Sm
• structural properties
• lanthanoid
• rare earth
• chalcogen
• non-disordered
• quinary
• monoclinic