Struct BandGapModel 

pub struct BandGapModel {
    pub eg0_ev: f64,
    pub alpha: f64,
    pub beta: f64,
    pub gap_type: BandGapType,
}

Band gap model with Varshni temperature dependence.

E_g(T) = E_g(0) - α T² / (T + β)

Fields

eg0_ev: f64

Band gap at T = 0 K (eV).

alpha: f64

Varshni α parameter (eV/K).

beta: f64

Varshni β parameter (K).

gap_type: BandGapType

Band gap type.

Implementations

impl BandGapModel

pub fn new(eg0_ev: f64, alpha: f64, beta: f64, gap_type: BandGapType) -> Self

Create a new band gap model.

pub fn silicon() -> Self

Silicon band gap model (Varshni parameters).

pub fn gaas() -> Self

Gallium arsenide band gap model.

pub fn germanium() -> Self

Germanium band gap model.

pub fn band_gap_ev(&self, t_kelvin: f64) -> f64

Band gap at temperature t_kelvin (eV).

pub fn band_gap_j(&self, t_kelvin: f64) -> f64

Band gap at temperature t_kelvin (Joules).

pub fn is_direct(&self) -> bool

Returns whether this is a direct gap semiconductor.

Trait Implementations

impl Clone for BandGapModel

fn clone(&self) -> BandGapModel

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Debug for BandGapModel

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

Formats the value using the given formatter.