镝
五角双锥分子几何
磁化
单分子磁体
结晶学
各向异性
磁各向异性
放松(心理学)
分子
磁弛豫
吡啶
磁铁
化学
镧系元素
凝聚态物理
磁场
无机化学
晶体结构
物理
有机化学
药物化学
离子
社会心理学
量子力学
心理学
作者
You‐Song Ding,Nicholas F. Chilton,Richard E. P. Winpenny,Yan‐Zhen Zheng
标识
DOI:10.1002/ange.201609685
摘要
Abstract We report a monometallic dysprosium complex, [Dy(O t Bu) 2 (py) 5 ][BPh 4 ] ( 5 ), that shows the largest effective energy barrier to magnetic relaxation of U eff =1815(1) K. The massive magnetic anisotropy is due to bis‐trans‐disposed tert‐butoxide ligands with weak equatorial pyridine donors, approaching proposed schemes for high‐temperature single‐molecule magnets (SMMs). The blocking temperature, T B , is 14 K, defined by zero‐field‐cooled magnetization experiments, and is the largest for any monometallic complex and equal with the current record for [Tb 2 N 2 {N(SiMe 3 ) 2 } 4 (THF) 2 ].
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