Free · Physics models

Curie Constant from a Cubic Unit Cell

Estimate the volume Curie constant for a cubic cell from its atom count, lattice spacing and effective magnetic moment in Bohr magnetons.

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curie constant = 0.33400320.

C = (2.6094 × 10⁻³⁰) N μ²/a³.

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Estimate the volume Curie constant for a cubic cell from its atom count, lattice spacing and effective magnetic moment in Bohr magnetons.
The coefficient is a rounded SI model constant. All counted atoms are assumed to carry the same effective moment; susceptibility is C/T only for the ideal Curie model.
Use positive lattice spacing and atom count. The calculation treats count as an effective numeric occupancy, which can be fractional; it does not enumerate a crystal structure.
Inputs and inverse outputs share the displayed unit selectors. Clear a known field to solve for it, and lock quantities that must remain fixed. Singular inverses may have no finite result.
C has units kelvin for dimensionless SI volume susceptibility χ = C/T. The captured output suffix with inverse permeability is corrected in the authored display; the retained coefficient already contains μ₀.

No. It is the constant in an ideal susceptibility law, not a magnetic transition temperature.

At fixed occupancy and moment, the volume constant falls by a factor of eight.

Enforce the explicitly stated physical domain: Effective moment magnitude cannot be negative.