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镧系配合物的同位素富集：对单分子磁体和自旋量子比特的见解的贡献。

Isotopic enrichment in lanthanide coordination complexes: contribution to single-molecule magnets and spin qudit insights.

机构信息

Univ Rennes, INSA Rennes, CNRS, ISCR (Institut des Sciences Chimiques de Rennes) - UMR6226, 35000 Rennes, France.

出版信息

Chem Commun (Camb). 2023 Jul 6;59(55):8520-8531. doi: 10.1039/d3cc01722b.

DOI:10.1039/d3cc01722b
PMID:37335142
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC10324460/
Abstract

Lanthanide Single-Molecule Magnets (SMMs) fascinate the scientific community due to their plethora of potential applications ranging from data storage to spintronic devices and quantum computing. This review article proposes a comprehensive description of the influence of the nuclear spin, hyperfine interaction, on the magnetic properties of lanthanide SMMs and on quantum information processing of qudit. This influence is analysed for non-Kramers and Kramers lanthanide SMMs as well as for the electronic distribution of the electron in 4f orbitals oblate and prolate ions. Then the role of magnetic interactions in isotopically enriched polynuclear Dy(III) SMMs is discussed. Finally the possible effect of superhyperfine interaction due to the nuclear spin of elements originating from the surrounding of the lanthanide centre is analyzed. The effect of nuclear spin on the dynamics of the lanthanide SMMs is demonstrated using different techniques such as magnetometry, muon spectroscopy (μ-SR), and Mössbauer and Resonance Vibrational Spectroscopies.

摘要

镧系单分子磁体 (SMMs) 因其在数据存储到自旋电子器件和量子计算等众多潜在应用领域而引起科学界的关注。本文综述了核自旋、超精细相互作用对镧系 SMMs 的磁性质以及量子信息处理中 qudit 的影响。对非克拉默和克拉默镧系 SMMs 以及电子在 4f 轨道中的电子分布进行了分析，研究了 oblate 和 prolate 离子。然后讨论了在同位素富集多核 Dy(III) SMMs 中磁相互作用的作用。最后分析了由于镧系中心周围元素的核自旋而产生的超超精细相互作用的可能影响。利用磁强计、μ 光谱学 (μ-SR)、穆斯堡尔和共振振动光谱学等不同技术证明了核自旋对镧系 SMMs 动力学的影响。

https://cdn.ncbi.nlm.nih.gov/pmc/blobs/8a36/10324460/a000e530b32e/d3cc01722b-p1.jpg
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https://cdn.ncbi.nlm.nih.gov/pmc/blobs/8a36/10324460/a000e530b32e/d3cc01722b-p1.jpg
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https://cdn.ncbi.nlm.nih.gov/pmc/blobs/8a36/10324460/c0878198bac5/d3cc01722b-f5.jpg
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