2 results about "Maghemite" patented technology

Maghemite (Fe₂O₃, γ-Fe₂O₃) is a member of the family of iron oxides. It has the same spinel ferrite structure as magnetite and is also ferrimagnetic. Maghemite can be considered as an Fe(II)-deficient magnetite with formula (Feᴵᴵᴵ₈)A[Fe₄₀/₃ᴵᴵᴵ□₈/₃]BO₃2 where □ represents a vacancy, A indicates tetrahedral and B octahedral positioning.