A reaction-coordinate perspective of magnetic relaxation.

A reaction-coordinate perspective of magnetic relaxation.
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DOI:
10.1039/d1cs00001b
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发表时间:
2021-06-21
影响因子:
46.2
通讯作者:
Zadrozny JM
Zadrozny JM
中科院分区:
化学1区
文献类型:
--
作者:
Jackson CE;Moseley IP;Martinez R;Sung S;Zadrozny JM

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理解和利用金属离子的动态量子特性是许多下一代技术的前沿。特别是磁弛豫这一特性,是一种复杂的物理现象,在本科课程中很少涉及。因此,磁弛豫原理对于刚起步的合成化学家来说几乎是难以理解的,他们最终设计出推动新发现的分子。在本教程回顾中,我们描述了一种新的范式,用于根据简单的反应坐标图来思考金属配合物中的磁弛豫,以方便进入该领域。我们在此概念框架内介绍了自旋晶格 (T1) 和自旋-自旋 (T2) 弛豫时间的主要机制,以及分子和环境设计如何影响这些时间。最终,我们证明无机化学家用于研究和操纵反应性的许多科学方法也有助于理解和控制磁弛豫。我们还描述了该范例中磁弛豫的前沿。本教程回顾通过反应坐标图的镜头给出了磁弛豫现象的合成化学视角。
Understanding and utilizing the dynamic quantum properties of metal ions is the frontier of many next generation technologies. One property in particular, magnetic relaxation, is a complicated physical phenomenon that is scarcely treated in undergraduate coursework. Consequently, principles of magnetic relaxation are nearly impenetrable to starting synthetic chemists, who ultimately design the molecules that fuel new discoveries. In this Tutorial Review, we describe a new paradigm for thinking of magnetic relaxation in metal complexes in terms of a simple reaction-coordinate diagram to facilitate access to the field. We cover the main mechanisms of both spin–lattice (T1) and spin–spin (T2) relaxation times within this conceptual framework and how molecular and environmental design affects these times. Ultimately, we show that many of the scientific methods used by inorganic chemists to study and manipulate reactivity are also useful for understanding and controlling magnetic relaxation. We also describe the cutting edge of magnetic relaxation within this paradigm. This tutorial review gives a synthetic chemistry perspective of magnetic relaxation phenomena through the lens of the reaction-coordinate diagram.
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