Struct BandStructure 

pub struct BandStructure {
    pub band_gap_ev: f64,
    pub ec: f64,
    pub ev: f64,
    pub me_eff: f64,
    pub mh_eff: f64,
    pub dielectric_constant: f64,
}

Band structure parameters of a semiconductor.

Characterizes the energy band structure including band gap, band edges, and effective masses.

Fields

band_gap_ev: f64

Band gap energy in eV.

ec: f64

Conduction band edge energy in eV (relative to vacuum).

ev: f64

Valence band edge energy in eV (relative to vacuum).

me_eff: f64

Electron effective mass ratio (m*/m0).

mh_eff: f64

Hole effective mass ratio (m*/m0).

dielectric_constant: f64

Dielectric constant (relative permittivity).

Implementations

impl BandStructure

pub fn new( band_gap_ev: f64, electron_affinity: f64, me_eff: f64, mh_eff: f64, dielectric_constant: f64, ) -> Self

Create a new band structure.

pub fn silicon() -> Self

Silicon band structure at 300K.

pub fn germanium() -> Self

Germanium band structure at 300K.

pub fn gallium_arsenide() -> Self

Gallium arsenide band structure at 300K.

pub fn silicon_carbide() -> Self

Silicon carbide (4H-SiC) band structure.

pub fn gallium_nitride() -> Self

Gallium nitride band structure.

pub fn varshni_band_gap(&self, temperature_k: f64, alpha: f64, beta: f64) -> f64

Temperature-dependent band gap using Varshni equation.

Eg(T) = Eg(0) - alpha * T^2 / (T + beta)

pub fn nc(&self, temperature_k: f64) -> f64

Effective density of states in conduction band (Nc) in cm^-3.

pub fn nv(&self, temperature_k: f64) -> f64

Effective density of states in valence band (Nv) in cm^-3.

pub fn permittivity(&self) -> f64

Absolute permittivity in F/m.

pub fn midgap_energy(&self) -> f64

Midgap energy (average of Ec and Ev).

Trait Implementations

impl Clone for BandStructure

fn clone(&self) -> BandStructure

Returns a duplicate of the value.

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source.

impl Debug for BandStructure

fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter.

impl Copy for BandStructure