Using Bu4N[Fe(Tp*)(CN)3]- (Tp* = hydrotris(3,5-dimethylpyrazol-l-yl)borate) as the building block to react with Cun and N-methylimidazole, we obtained a one-dimensional (1D) beterobimetallic cyano-bridged chain, [Fe(T...Using Bu4N[Fe(Tp*)(CN)3]- (Tp* = hydrotris(3,5-dimethylpyrazol-l-yl)borate) as the building block to react with Cun and N-methylimidazole, we obtained a one-dimensional (1D) beterobimetallic cyano-bridged chain, [Fe(Tp*)(CN)3]2Cu(N- methylimidazole)2.2H20 (1). The crystal structures and magnetic studies demonstrate that complex 1 exhibits slow relaxation of the magnetization due to strong intrachain ferromagnetic coupling and weak interchain interactions.展开更多
A cyanide-bridged Fei^III2Coll double zigzag chain, { [Fen1(bipy)(CN)4]2Con(btab)2}n [bipy=2,2'-bipyridine, btab=4,4'-(1,3-phen- ylene)-bis-4H-1,2,4-triazole] (1), was obtained with tetracyanometalate prec...A cyanide-bridged Fei^III2Coll double zigzag chain, { [Fen1(bipy)(CN)4]2Con(btab)2}n [bipy=2,2'-bipyridine, btab=4,4'-(1,3-phen- ylene)-bis-4H-1,2,4-triazole] (1), was obtained with tetracyanometalate precursors and Con ions. The chains were further linked by the ditopic btab ligands to a layer. Magnetic property studies demonstrate that 1 shows both metamagnetism with a critical field He=400 Oe and single-chain magnet behavior.展开更多
基金financial support from the National Natural Science Foundation of China (21101021, 91122031)
文摘Using Bu4N[Fe(Tp*)(CN)3]- (Tp* = hydrotris(3,5-dimethylpyrazol-l-yl)borate) as the building block to react with Cun and N-methylimidazole, we obtained a one-dimensional (1D) beterobimetallic cyano-bridged chain, [Fe(Tp*)(CN)3]2Cu(N- methylimidazole)2.2H20 (1). The crystal structures and magnetic studies demonstrate that complex 1 exhibits slow relaxation of the magnetization due to strong intrachain ferromagnetic coupling and weak interchain interactions.
基金supported by the National Natural Science Foundation of China (21201028, 21421005, 21322103, 91422302, 91122031)
文摘A cyanide-bridged Fei^III2Coll double zigzag chain, { [Fen1(bipy)(CN)4]2Con(btab)2}n [bipy=2,2'-bipyridine, btab=4,4'-(1,3-phen- ylene)-bis-4H-1,2,4-triazole] (1), was obtained with tetracyanometalate precursors and Con ions. The chains were further linked by the ditopic btab ligands to a layer. Magnetic property studies demonstrate that 1 shows both metamagnetism with a critical field He=400 Oe and single-chain magnet behavior.