Elemental asymmetries of spin and electron dynamics in an insulating ferrimagnet

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Observational analysis reveals dynamics of spin filters in NiFe2O4 films, suggesting potential for microwave integrated devices.

Reflectivity of MAO samples is significantly higher due to increased free carriers, indicating improved dynamics.
Transverse magneto optical Kerr effect reveals ultrafast dynamics at extreme ultraviolet wavelengths with notable precision.
Element specific analysis of NiFe2O4 shows oscillatory behavior with a period of approximately 2.8 ps, pointing to unique magnetic properties.
Delayed oscillation onset of Fe compared to Ni suggests complexities in elemental interactions during spin dynamics.

Saha et al. (2025) studied this question.

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