Kang Soonchul, Zheng Hui, Liu Tao, Hamachi Kohei, Kanegawa Shinji, Sugimoto Kunihisa, Shiota Yoshihito, Hayami Shinya, Mito Masaki, Nakamura Tetsuya, Nakano Motohiro, Baker Michael L, Nojiri Hiroyuki, Yoshizawa Kazunari, Duan Chunying, Sato Osamu
Institute for Materials Chemistry and Engineering, Kyushu University, 6-1 Kasuga-koen, Kasuga, Fukuoka 816-8580, Japan.
State Key Laboratory of Fine Chemicals, Dalian University of Technology, 2 Linggong Road, 116024 Dalian, China.
Nat Commun. 2015 Jan 6;6:5955. doi: 10.1038/ncomms6955.
Self-assembly of artificial nanoscale units into superstructures is a prevalent topic in science. In biomimicry, scientists attempt to develop artificial self-assembled nanoarchitectures. However, despite extensive efforts, the preparation of nanoarchitectures with superior physical properties remains a challenge. For example, one of the major topics in the field of molecular magnetism is the development of high-spin (HS) molecules. Here, we report a cyanide-bridged magnetic nanocage composed of 18 HS iron(III) ions and 24 low-spin iron(II) ions. The magnetic iron(III) centres are ferromagnetically coupled, yielding the highest ground-state spin number (S = 45) of any molecule reported to date.
人工纳米级单元自组装成超结构是科学领域中一个普遍的话题。在仿生学中，科学家们试图开发人工自组装纳米结构。然而，尽管付出了巨大努力，制备具有优异物理性能的纳米结构仍然是一个挑战。例如，分子磁学领域的一个主要课题是高自旋（HS）分子的开发。在此，我们报道了一种由18个HS铁（III）离子和24个低自旋铁（II）离子组成的氰基桥连磁性纳米笼。磁性铁（III）中心通过铁磁耦合，产生了迄今为止报道的任何分子中最高的基态自旋数（S = 45）。
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