Abstract
A detailed study has been made of the magnetisation and magnetostriction of a single crystal of Pr in pulsed fields up to 18 T and in the temperature range 3-78K. Measurements were taken for all combinations of strain and applied field directions along the three symmetry axes to determine the modes of distortion. These results are analysed using a molecular field Hamiltonian, and the single-ion magnetoelastic coefficients are derived. The dominant strain-dependent interaction is shown to arise from the crystal field.
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