An Organometallic Single-Ion Magnet
An Organometallic Single-Ion Magnet
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有机金属单离子磁体
DOI：
10.1021/ja200198v
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发表时间：
2011-04-06
影响因子：
15
通讯作者：
Gao, Song
中科院分区：
文献类型：
--
作者：
Jiang, Shang-Da;Wang, Bing-Wu;Gao, Song
有机金属单离子磁体由19个非氢原子合成，其中一个铒离子夹在两个不同的芳香配体中。该分子在1.8 K至5 K时表现出蝴蝶形的迟滞环。交流磁化率测量结果表明存在两个热激活磁弛豫过程，其能垒分别高达197 K和323 K。
An organometallic single-ion magnet is synthesized with only 19 non-hydrogen atoms featuring an erbium ion sandwiched by two different aromatic ligands. This molecule displays a butterfly-shaped hysteresis loop at 1.8 K up to even 5 K. Alternating-current (ac) susceptibility measurement reveals the existence of two thermally activated magnetic relaxation processes with the energy barriers as high as 197 and 323 K, respectively.