The heterobinuclear complex of formula Cu (oxap )Gd(phen)2 (CIO4 )3 has been synthesized, where oxap denotes the N, N'-bis (2-aminopropyl )oxamido dianion and phen represents 1,10-phenanthroline. The complex was c...The heterobinuclear complex of formula Cu (oxap )Gd(phen)2 (CIO4 )3 has been synthesized, where oxap denotes the N, N'-bis (2-aminopropyl )oxamido dianion and phen represents 1,10-phenanthroline. The complex was characterized with ESR and variable temperature magnetic susceptibility (4- 300K). The least-squares fit of the experimental sosceptibilities yielded J=2. 25cm-1. The observed Gd (Ⅲ)-Cu (Ⅱ) coupling is ferromagnetic.One Plausible mechanism that can cause a ferromagnetic coupling between Gd(Ⅱ) and Cu (Ⅱ) is discussed in terms of spin-polarization.展开更多
文摘The heterobinuclear complex of formula Cu (oxap )Gd(phen)2 (CIO4 )3 has been synthesized, where oxap denotes the N, N'-bis (2-aminopropyl )oxamido dianion and phen represents 1,10-phenanthroline. The complex was characterized with ESR and variable temperature magnetic susceptibility (4- 300K). The least-squares fit of the experimental sosceptibilities yielded J=2. 25cm-1. The observed Gd (Ⅲ)-Cu (Ⅱ) coupling is ferromagnetic.One Plausible mechanism that can cause a ferromagnetic coupling between Gd(Ⅱ) and Cu (Ⅱ) is discussed in terms of spin-polarization.
