Derives the dipolar-exchange spin wave dispersion relation for thin ferromagnetic bilayers and analyzes nonreciprocity of propagating stray fields as a function of relative magnetization orientations in the continuum limit.
Spin waves in the bilayer van der Waals magnet CrSBr
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abstract
We derive analytical expressions for the spin wave frequencies and precession amplitudes in monolayer and antiferromagnetically coupled bilayer CrSBr under in-plane external magnetic fields. The analysis covers the antiferromagnetic, ferromagnetic, and canted phases, demonstrating that the spin wave frequencies in all phases are tunable by the applied magnetic field. We discuss the roles of intra- and interlayer exchange interactions, triaxial anisotropy, and intralayer dynamic dipolar fields in controlling the magnetization dynamics.
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cond-mat.mes-hall 1years
2025 1verdicts
UNVERDICTED 1representative citing papers
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Dipolar-exchange spin waves in thin bilayers
Derives the dipolar-exchange spin wave dispersion relation for thin ferromagnetic bilayers and analyzes nonreciprocity of propagating stray fields as a function of relative magnetization orientations in the continuum limit.