Understanding magnetic relaxation in single-ion magnets with high blocking temperature
The recent discovery of single-ion magnets with magnetic hysteresis above liquid-nitrogen temperatures placed these compounds among the best candidates to realize high-density storage devices. Starting from a prototypical dysprosocenium molecule, showing hysteresis up to 60 K, we derive here a gener...
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| Veröffentlicht in: | Physical review. B 2020-05, Vol.101 (17), p.1, Article 174402 |
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| container_title | Physical review. B |
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| creator | Chiesa, A. Cugini, F. Hussain, R. Macaluso, E. Allodi, G. Garlatti, E. Giansiracusa, M. Goodwin, C. A. P. Ortu, F. Reta, D. Skelton, J. M. Guidi, T. Santini, P. Solzi, M. De Renzi, R. Mills, D. P. Chilton, N. F. Carretta, S. |
| description | The recent discovery of single-ion magnets with magnetic hysteresis above liquid-nitrogen temperatures placed these compounds among the best candidates to realize high-density storage devices. Starting from a prototypical dysprosocenium molecule, showing hysteresis up to 60 K, we derive here a general recipe to design high-blocking-temperature rare-earth single-ion magnets. The complex magnetic relaxation is unraveled by combining magnetization and nuclear magnetic resonance measurements with inelastic neutron scattering experiments and ab initio calculations, thus disentangling the different mechanisms and identifying the key ingredients behind slow relaxation. |
| doi_str_mv | 10.1103/PhysRevB.101.174402 |
| format | Article |
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| subjects | Hysteresis Inelastic scattering Magnetic induction Magnetic relaxation Magnets Neutron scattering Neutrons NMR Nuclear magnetic resonance Rare earth elements Resonance scattering |
| title | Understanding magnetic relaxation in single-ion magnets with high blocking temperature |
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