| abstract |
A Barium source precursor, comprising a diazacrown ligand, Ba[-N-C(R 1 R 2 )C(R 3 R 4 )-O-C(R 5 R 6 )C(R 7 R 8 )-O-C(R 9 R 10 )C(R 11 R 12 )-] 2 of formula (I):n nwherein: nR 1 -R 12 are organic ligands independently selected in the group consisting of H, a linear or branched function alkyl, aryl, alkenyl, alkylsilyl, alkylamides, alkylsilylamides, alkoxide, fluoroalkyl comprising from 1 to 5 atom of carbon. |