Table 6. Physical characteristics of the thermal spin transition T↑1/2 and T↓1/2 and particle sizes.

Sample	Size (nm)	T ↑ 1/2	T ↓ 1/2	ΔT	% HS
2.1	18	341	321	20	25
2.2	12	344	326	18	35
2.3	4	341	328	13	34