Critical analysis of the limitations of Bleaney's theory of magnetic anisotropy in paramagnetic lanthanide coordination complexes.

Critical analysis of the limitations of Bleaney's theory of magnetic anisotropy in paramagnetic lanthanide coordination complexes.
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DOI:
10.1039/c4sc03429e
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发表时间:
2015-03-01
期刊:
影响因子:
8.4
通讯作者:
Parker D
Parker D
中科院分区:
化学1区
文献类型:
--
作者:
Funk AM;Finney KNA;Harvey P;Kenwright AM;Neil ER;Rogers NJ;Kanthi Senanayake P;Parker D

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Bleaney的磁各向异性理论的故障的起源进行了描述,基于分析的11个不同的复合物的第二半的4f元素,形成同构系列。Bleaney的磁各向异性理论的故障的起源进行了描述,基于分析的11个不同的复合物的第二半的4f元素,形成同构系列。的化学位移和弛豫速率行为的共振位于至少四个键远离顺磁中心进行了检查,并与理论预测。的关键限制涉及的配位场分裂与自旋-轨道耦合的可比性,在Ln配合物之间的主磁轴的位置的变化和多极条款在描述镧系元素配位场相互作用的重要性。
The origins of the breakdown of Bleaney's theory of magnetic anisotropy are described, based on an analysis of eleven different complexes of the second half of the 4f elements that form isostructural series. The origins of the breakdown of Bleaney's theory of magnetic anisotropy are described, based on an analysis of eleven different complexes of the second half of the 4f elements that form isostructural series. An examination of the chemical shift and relaxation rate behaviour of resonances located at least four bonds away from the paramagnetic centre was undertaken, and correlated to theoretical predictions. The key limitations relate to comparability of ligand field splitting with spin–orbit coupling, variation in the position of the principal magnetic axis between Ln complexes and the importance of multipolar terms in describing lanthanide ligand field interactions.
DOI: 10.1063/1.1450543
发表时间: 2002-03-15
影响因子: 4.4
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