NMR for Single Ion Magnets
Abstract
:1. Introduction
2. The SIMs Effects on the NMR Spectra
2.1. Susceptibility and NMR Observables
2.1.1. Shifts
2.1.2. Field-Dependent Effects
2.2. Relaxation
2.2.1. Electron Spin Relaxation
- coupling to a phonon that matches the energy difference between the two spin states (direct mechanism);
- coupling to two phonons through an excited state lying within the phonon continuum (Orbach mechanism);
- coupling to two phonons through virtual levels lying inside (Van Vleck or 1st order Raman) or outside of the phonon continuum (2nd order Raman).
2.2.2. Nuclear Spin Relaxation
3. NMR for SIMs and Vice Versa
4. Solid-State NMR of Paramagnetic Molecules and Possible Effect of Dynamics on Relaxation in the Solid State
5. Conclusions
Author Contributions
Funding
Institutional Review Board Statement
Informed Consent Statement
Data Availability Statement
Acknowledgments
Conflicts of Interest
References
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Ion | J | |
---|---|---|
Ce3+ | 5/2 | 6/7 |
Pr3+ | 4 | 4/5 |
Nd3+ | 9/2 | 8/11 |
Pm3+ | 4 | 3/5 |
Sm3+ | 5/2 | 2/7 |
Eu3+(Sm2+) | 0 | - |
Gd3+(Eu2+) | 7/2 | 2 |
Tb3+ | 6 | 3/2 |
Dy3+ | 15/2 | 4/3 |
Ho3+ | 8 | 5/4 |
Er3+ | 15/2 | 6/5 |
Tm3+ | 6 | 7/6 |
Yb3+ | 7/2 | 8/7 |
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Gigli, L.; Di Grande, S.; Ravera, E.; Parigi, G.; Luchinat, C. NMR for Single Ion Magnets. Magnetochemistry 2021, 7, 96. https://0-doi-org.brum.beds.ac.uk/10.3390/magnetochemistry7070096
Gigli L, Di Grande S, Ravera E, Parigi G, Luchinat C. NMR for Single Ion Magnets. Magnetochemistry. 2021; 7(7):96. https://0-doi-org.brum.beds.ac.uk/10.3390/magnetochemistry7070096
Chicago/Turabian StyleGigli, Lucia, Silvia Di Grande, Enrico Ravera, Giacomo Parigi, and Claudio Luchinat. 2021. "NMR for Single Ion Magnets" Magnetochemistry 7, no. 7: 96. https://0-doi-org.brum.beds.ac.uk/10.3390/magnetochemistry7070096