4.8 Article

An Organometallic Single-Ion Magnet

Journal

JOURNAL OF THE AMERICAN CHEMICAL SOCIETY
Volume 133, Issue 13, Pages 4730-4733

Publisher

AMER CHEMICAL SOC
DOI: 10.1021/ja200198v

Keywords

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Funding

  1. National Science Foundation of China [20821091, 90922033, 21071008]
  2. National Basic Research Program of China [2006CB601102, 2009CB929403]

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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.

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