Semiconductor States Lab

Fermi level——

Electrons, n—cm⁻³

Holes, p—cm⁻³

Intrinsic, nᵢ—cm⁻³

N_c / N_v—cm⁻³

Ionized dopants—N_D⁺ / N_A⁻

Charge residual — np/nᵢ² — Eᵢ — Solve time —

Equilibrium model

Parameters

Material state

Temperature300 K

Bandgap model

Energy axis

Fixed Eg uses a locked vertical energy scale during temperature sweeps.

Bandgap, E_g1.12 eV

m_e,DOS*1.08 m₀

m_h,DOS*0.56 m₀

Dopantslogarithmic concentration

Donors, N_Doff

Acceptors, N_Aoff

Include incomplete ionization

E_c−E_D45 meV

E_A−E_v45 meV

Manual E_F0.55 eV

Manual mode reports net charge without enforcing neutrality.

Display

Boltzmann approximation Log-enhanced curve widths

Occupied-states view

Conduction electrons, gᶜf Empty conduction states, gᶜ(1−f) Valence electrons, gᵥf Valence holes, gᵥ(1−f)

Horizontal curve scale

AUTO · one shared physical scale for visible curves.

Model

3D parabolic bands, DOS masses, thermal equilibrium, and exact Fermi–Dirac carrier integrals.