| abstract |
A rare earth ternary complex represented by thenfollowing formula (1):n n wherein M is a rare earth atom; n1 is 2 or 3; n2 is 2,n3, or 4; Rf 1 and Rf 2 are the same or different and are eachna aliphatic group having 1 to 22 carbon atoms and containingnno hydrogen atoms, an aromatic group containing no hydrogennatoms, or an aromatic heterocyclic group containing nonhydrogen atoms; and Z is a ligand containing X, phosphorus,nor nitrogen. |