Abstract
Nuclear Magnetic Resonance is particularly sensitive to the electronic structure of matter and is thus a powerful tool to characterize in-depth the magnetic properties of a system. NMR is indeed increasingly recognized as an ideal tool to add precious structural information for the development of Single Ion Magnets, small complexes that are recently gaining much popularity due to their quantum computing and spintronics applications. In this review, we recall the theoretical principles of paramagnetic NMR, with particular attention to lanthanoids, and we give an overview of the recent advances in this field.
Highlights
Ravera, E.; Parigi, G.; Luchinat, C.Moving from the large to the small scale, the properties of materials undergo significant variations that result in very interesting effects
In the case of magnetism, systems composed of few paramagnetic centers, Single Molecule Magnets (SMMs), or even single paramagnetic ions, Single Ion Magnets (SIMs), are able to preserve their magnetization due to zero-field degeneracies in the electronic structure
In subsequent research the SIM behavior has been identified in lanthanoid [4,5] and transition metal ions [6,7], where the magnetic bistability is caused by the electronic structure emerging from the ligand field (LF) splitting
Summary
In subsequent research the SIM behavior has been identified in lanthanoid [4,5] and transition metal ions [6,7], where the magnetic bistability is caused by the electronic structure emerging from the ligand field (LF) splitting (in this review, we use the term “lanthanoids” as recommended to the International Union of Pure and Applied Chemistry [8]) Due to their magnetic hysteresis, SIMs are expected to find large application in quantum computing [9], first of all as memory devices, and in the field of spintronics. Single Ion Magnets (Ln-SIMs) [11,33]
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