Single-molecule magnets beyond a single lanthanide ion: the art of coupling,Chemical Science

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Single-molecule magnets beyond a single lanthanide ion: the art of coupling
Chemical Science ( IF 7.6 ) Pub Date : 2022-06-24 , DOI: 10.1039/d2sc01532c
Yan-Cong Chen ₁ , Ming-Liang Tong ₁

Affiliation

The promising future of storing and processing quantized information at the molecular level has been attracting the study of Single-Molecule Magnets (SMMs) for almost three decades. Although some recent breakthroughs are mainly about the SMMs containing only one lanthanide ion, we believe SMMs can tell a much deeper story than the single-ion anisotropy. Here in this Perspective, we will try to draw a unified picture of SMMs as a delicately coupled spin system between multiple spin centres. The hierarchical couplings will be presented step-by-step, from the intra-atomic hyperfine coupling, to the direct and indirect intra-molecular couplings with neighbouring spin centres, and all the way to the inter-molecular and spin–phonon couplings. Along with the discussions on their distinctive impacts on the energy level structures and thus magnetic behaviours, a promising big picture for further studies is proposed, encouraging the multifaceted developments of molecular magnetism and beyond.

中文翻译：

超越单一镧系元素离子的单分子磁体：耦合艺术

近三十年来，在分子水平上存储和处理量化信息的前景广阔，一直吸引着对单分子磁体 (SMM) 的研究。尽管最近的一些突破主要是关于仅包含一种镧系元素离子的 SMM，但我们相信 SMM 可以讲述比单离子各向异性更深层次的故事。在这个视角，我们将尝试将 SMM 绘制为多个自旋中心之间微妙耦合的自旋系统的统一图景。分层耦合将逐步呈现，从原子内超精细耦合到与相邻自旋中心的直接和间接分子内耦合，一直到分子间和自旋声子耦合。除了讨论它们对能级结构和磁行为的独特影响外，还提出了一幅有前途的进一步研究的大图，鼓励分子磁学及其他方面的多方面发展。

更新日期：2022-06-24

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