Show Magnetic materials
ID 29
Symbol γ Fe<sub>2</sub>O<sub>2</sub>
Image
Name Maghemite
Categories Oxides with antiferromagnetic interactions
Density (g/cm<sup>3</sup>) 4.86
Structure Cubic defective spinel
Order Ferrimagnet
Curie temperature (K) 985
Cubic lattice parameter (p<sub>m</sub>) (a<sub>0</sub>) 833.6
Magnet ideality factor (p<sub>m</sub>) (a)
Resistivity (μΩ·m) (ρ)
Magnetic moment per unit mass (A m<sup>2</sup> kg<sup>-1</sup>) (σ) 82
Exchange stiffness (pJ m<sup>-1</sup>) (A)
Magnetic hardness parameter (κ)
Spontaneous magnetization (MA m<sup>-1</sup>) M<sub>s</sub>)
Spontaneous linear magnetostriction (λ<sub>s</sub>) −9 × 10<sup>−6</sup>
Anisotropy constants (KJ m<sup>-3</sup>) (K1) −5
Magnetic polarization (T) (J<sub>s</sub>) 0.50
Image Source https://geodil.dperkins.org/h/1294.html