mobility-model-lom

Lombardi model

C. Lombardi, IEEE transactions on CAD, VOL. 7 (11), Nov. 1988, 1164

For Si only.

Note: In nextnano³ we use the nominal dopant concentration as specified in the input file and not the ionized one.

!------------------------------------------------------------!
$mobility-model-lom                                 optional !
                                                             !
 material-name                      character       required !
 number-of-parameters               integer         required !
                                                             !
!++++++++++++++++++++++++++++++++++++
! for binaries, e.g. GaAs
!++++++++++++++++++++++++++++++++++++
 n-acoust-B                         double          optional !
 n-acoust-C                         double          optional !
 n-ac-C-exponent                    double          optional !
 n-bulk-mu-zero                     double          optional !
 n-bulk-mu-max                      double          optional !
 n-bulk-mu-1                        double          optional !
 n-bulk-gamma                       double          optional !
 n-bulk-Cr                          double          optional !
 n-bulk-C0                          double          optional !
 n-bulk-alpha                       double          optional !
 n-bulk-beta                        double          optional !
 n-sr-delta                         double          optional !
 n-alpha-E                          double          optional !
 n-beta-E                           double          optional !
 n-E0-saturation                    double          optional !
 n-v0-saturation                    double          optional ! see SIMBA mobility model
 n-temp-dependence-v                double          optional ! see SIMBA mobility model
 n-kappa-v                          double          optional ! see SIMBA mobility model
 n-T0-v-saturation                  double          optional ! see SIMBA mobility model
                                                             !
 p-acoust-B                         double          optional !
 p-acoust-C                         double          optional !
 p-ac-C-exponent                    double          optional !
 p-bulk-mu-zero                     double          optional !
 p-bulk-mu-max                      double          optional !
 p-bulk-mu-1                        double          optional !
 p-bulk-gamma                       double          optional !
 p-bulk-Cr                          double          optional !
 p-bulk-C0                          double          optional !
 p-bulk-alpha                       double          optional !
 p-bulk-beta                        double          optional !
 p-sr-delta                         double          optional !
 p-alpha-E                          double          optional !
 p-beta-E                           double          optional !
 p-E0-saturation                    double          optional !
 p-v0-saturation                    double          optional ! see SIMBA mobility model
 p-temp-dependence-v                double          optional ! see SIMBA mobility model
 p-kappa-v                          double          optional ! see SIMBA mobility model
 p-T0-v-saturation                  double          optional ! see SIMBA mobility model
                                                             !
$end_mobility-model-lom                             optional !
!------------------------------------------------------------!

Syntax

Taken from Lombardi paper: C. Lombardi, IEEE transactions on CAD, VOL.7, NO. 11, Nov. 1988 p.1164

!----------------------------------!
$mobility-model-lom                !
                                   !
 material-name        = Si         !
 number-of-parameters = 32         !
                                   !
 n-acoust-B           = 4.75d7     ! [cm/s]
 n-acoust-C           = 1.74d5     ! [see paper]
 n-ac-C-exponent      = 0.125d0    ! []
 n-bulk-mu-zero       = 52.2d0     ! [cm^2/Vs]
 n-bulk-mu-max        = 1417.0d0   ! [cm^2/Vs]
 n-bulk-mu-1          = 43.4d0     ! [cm^2/Vs]
 n-bulk-gamma         = 2.5d0      ! []
 n-bulk-Cr            = 9.68d16    ! [1/cm^3]
 n-bulk-C0            = 3.43d20    ! [1/cm^3]
 n-bulk-alpha         = 0.680d0    ! []
 n-bulk-beta          = 2.0d0      ! []
 n-sr-delta           = 5.82d14    ! [V/s]
 n-alpha-E            = 2.0d0      !
 n-beta-E             = 0.5d0      !
 n-E0-saturation      = 8.0d3      ! [V/cm]
 n-v0-saturation      = 1.03d7     ! [cm/s]  taken from SIMBA manual
 n-temp-dependence-v  = 0.0d0      ! [cm/Ks] taken from SIMBA manual
 n-kappa-v            = 2d0        ! [---]   taken from SIMBA manual
 n-T0-v-saturation    = 300.0d0    ! [K]     taken from SIMBA manual

                                   !
 p-acoust-B           = 9.93d7     ! [cm/s]
 p-acoust-C           = 8.84d5     ! [see paper]
 p-ac-C-exponent      = 0.0317d0   ! []
 p-bulk-mu-zero       = 44.9d0     ! [cm^2/Vs]
 p-bulk-mu-max        = 470.5d0    ! [cm^2/Vs]
 p-bulk-mu-1          = 29.0d0     ! [cm^2/Vs]
 p-bulk-gamma         = 2.2d0      ! []
 p-bulk-Cr            = 2.23d17    ! [1/cm^3]
 p-bulk-C0            = 6.1d20     ! [1/cm^3]
 p-bulk-alpha         = 0.719d0    ! []
 p-bulk-beta          = 2.0d0      ! []
 p-sr-delta           = 2.05d14    ! [V/s]
 p-alpha-E            = 1.0d0      !
 p-beta-E             = 1.0d0      !
 p-E0-saturation      = 1.95d4     ! [V/cm]
 p-v0-saturation      = 1.03d7     ! [cm/s]  taken from SIMBA manual
 p-temp-dependence-v  = 0.0d0      ! [cm/Ks] taken from SIMBA manual
 p-kappa-v            = 1d0        ! [---]   taken from SIMBA manual
 p-T0-v-saturation    = 300.0d0    ! [K]     taken from SIMBA manual
                                   !
$end_mobility-model-lom            !
!----------------------------------!