binuclear dysprosium complex, in which Dy1 and Dy1a atoms are bridged by two phenoxo-O atoms of two 8-hydroxyquinoline Schiff base ligands. Magnetic properties research indicated that two magnetic relaxation processes were clearly observed in 1 under Hdc = 0 fild. It is a rare and interesting magnetic phenomenon in the reported dinuclear Ln(III)-based compounds.
摘要 一种新的基于双核 Dy(III) 的化合物,[Dy(bfac)2L]2(1)([bfac =
苯甲酰三氟丙酮,HL = 2-[(4-
氯苯基)亚
氨基]甲基]-
8-羟基喹啉),被合成,结构和磁性表征。X 射线结构分析显示化合物 1 是双核
镝配合物,其中 Dy1 和 Dy1a 原子由两个
8-羟基喹啉希夫碱
配体的两个苯氧基-O 原子桥接。磁性能研究表明,在Hdc = 0 fild 1 中可以清楚地观察到两个磁弛豫过程。在已报道的双核 Ln(III) 基化合物中,这是一种罕见且有趣的磁性现象。