Influence of mechanical strains on the antiferromagnetic resonance modes of bulk -Fe2O3
APPLIED PHYSICS LETTERS(2024)
摘要
In this work, we present the results of investigations performed on hematite (alpha-Fe2O3), which is an antiferromagnet with weak ferromagnetism. Through the use of Brillouin light scattering spectroscopy, we studied experimentally the excitation of quasi-ferro- and antiferromagnetic modes in the bulk hematite. We investigated the influence of relative mechanical strains, epsilon(yy), on the frequencies of quasi-ferro- and antiferromagnetic modes. Also, we considered the angular dependence of the frequency of the quasi-ferromagnetic mode on the external magnetic field. Our results indicate that hematite is a suitable material for strain-controlled magnonic devices.
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