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Magnetic properties of a Heisenberg coupled-trimer molecular magnet: General results and application to spin- 1/2 vanadium clusters

journal contribution
posted on 2023-06-08, 07:17 authored by J T Haraldsen, T Barnes, J W Sinclair, J R Thompson, R L Sacci, John TurnerJohn Turner
We report predictions for the energy eigenstates and inelastic neutron-scattering excitations of an isotropic Heisenberg hexamer consisting of general spin S and S' trimers. Specializing to spin-1/2 ions, we give analytic results for the energy excitations, magnetic susceptibility, and inelastic neutron-scattering intensities for this hexamer system. To examine this model further, we compare these calculations to the measured magnetic susceptibility of a vanadium material, which is considered to be well-defined magnetically as an isolated S=1/2 V4+ trimer model. Using our model, we determine the amount of intertrimer coupling that can be accommodated by the measured susceptibility and predict the inelastic neutron-scattering spectrum for comparison with future measurements.

History

Publication status

  • Published

Journal

Physical Review B

ISSN

1094-1622

Publisher

American Physical Society

Issue

6

Volume

80

Pages

7.0

Department affiliated with

  • Chemistry Publications

Notes

This article has 7 pages. The publisher's source does not indicate Page Numbers.

Full text available

  • No

Peer reviewed?

  • Yes

Legacy Posted Date

2012-02-06

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