Issue 53, 2022

Unequal sensitivities of energy levels in a high-symmetry Ho3+ complex towards lattice distortions

Abstract

High-resolution inelastic neutron scattering has been used to study low-energy magnetic transitions in a Ho3+ complex. This complex crystallises in the high-symmetry space group P4/m and has near-perfect D4d symmetry, which has allowed for the determination of all relevant spin-Hamiltonian parameters. Static and dynamic inhomogeneity in the crystal lattice manifests as a temperature-dependent broadening of the observed magnetic excitations. By implementing distributions in the spin-Hamiltonian parameters, it is possible to reproduce with great accuracy the observed magnetic transition spectrum. This reveals the range to which extraneous perturbations of the crystal field affect low-energy electronic states, such as those involved in quantum tunnelling of magnetisation, in atomic clock transitions, or in spintronics.

Graphical abstract: Unequal sensitivities of energy levels in a high-symmetry Ho3+ complex towards lattice distortions

Supplementary files

Article information

Article type
Communication
Submitted
11 Apr 2022
Accepted
06 Jun 2022
First published
10 Jun 2022

Chem. Commun., 2022,58, 7431-7434

Unequal sensitivities of energy levels in a high-symmetry Ho3+ complex towards lattice distortions

N. A. Bonde, M. Appel, J. Ollivier, H. Weihe and J. Bendix, Chem. Commun., 2022, 58, 7431 DOI: 10.1039/D2CC02068H

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