Table 2.

Summary of fitted values for k_RES and k_Area, and spin-to-lattice energy conversion efficiencies (k_Spin-Lattice) for each ferrite, along with the Landé g-factor derived from FMR data. SOC strength (λ) was estimated using the g-factor and crystal field splitting energy (Δ) from literature. The correlated trends among k_Spin-Lattice, g-factor, and λ highlight the role of SOC in governing spin-to-lattice energy conversion efficiency.

Materials	kRES (10–5)	KField-Spin [%]	kSpin-Lattice [%]	g-factor		SOC strength () [eV]
MnFe2O4	7.45	4.65 0.16	16.0 0.6	2.083 ± 0.004	1.784	0.075
Fe3O4	6.30	2.95 0.20	21.1 1.1	2.213 0.003	2.282	0.217
NiFe2O4	5.03	2.77 0.13	18.2 0.9	2.181 ± 0.004	2.483	0.235