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ID
5
Symbol
Co
Image
Name
Cobalt
Categories
Transition metal
Density (g/cm<sup>3</sup>)
8.92
Structure
Simple hexagonal
Order
Ferromagnetic
Curie temperature (K)
1394
Cubic lattice parameter (p<sub>m</sub>) (a<sub>0</sub>)
Magnet ideality factor (p<sub>m</sub>) (a)
250.7
Resistivity (μΩ·m) (ρ)
0.06
Magnetic moment per unit mass (A m<sup>2</sup> kg<sup>-1</sup>) (σ)
162
Exchange stiffness (pJ m<sup>-1</sup>) (A)
31
Magnetic hardness parameter (κ)
0.45
Spontaneous magnetization (MA m<sup>-1</sup>) M<sub>s</sub>)
1.44
Spontaneous linear magnetostriction (λ<sub>s</sub>)
−60 × 10<sup>−6</sup>
Anisotropy constants (KJ m<sup>-3</sup>) (K1)
410
Magnetic polarization (T) (J<sub>s</sub>)
1.81
Image Source
https://www.ccdc.cam.ac.uk/Community/educationalresources/PeriodicTable/Cobalt/
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