A novel superparamagnetic dysprosium chain complex,namely,[Dy(L)Cl(CH_(3)OH)]_(n)(1)(H_(2)L=N'-(5-bromo-2-hydroxybenzylidene)pyrazine-N-oxide-carbohydrazide),has been successfully synthesized by the extension of d...A novel superparamagnetic dysprosium chain complex,namely,[Dy(L)Cl(CH_(3)OH)]_(n)(1)(H_(2)L=N'-(5-bromo-2-hydroxybenzylidene)pyrazine-N-oxide-carbohydrazide),has been successfully synthesized by the extension of dinuclear units through chloride bridges.Magnetic and theoretical studies indicate that dipolar magnetic interactions induced by the chloride bridges are helpful for the magnetic relaxation process to pass through the second-excited state of dysprosium ions,resulting in the higher energy barrier for 1.展开更多
基金National Natural Science Foundation of China(No.21671024)National Key Basic Research Program of China(2013CB933402)。
文摘A novel superparamagnetic dysprosium chain complex,namely,[Dy(L)Cl(CH_(3)OH)]_(n)(1)(H_(2)L=N'-(5-bromo-2-hydroxybenzylidene)pyrazine-N-oxide-carbohydrazide),has been successfully synthesized by the extension of dinuclear units through chloride bridges.Magnetic and theoretical studies indicate that dipolar magnetic interactions induced by the chloride bridges are helpful for the magnetic relaxation process to pass through the second-excited state of dysprosium ions,resulting in the higher energy barrier for 1.
