octave_packages/secs1d-0.0.8/Utilities/constants.m

   1
   2 Kb           = 1.3806503e-23;
   3 q            = 1.602176462e-19;
   4 e0           = 8.854187817e-12;
   5 esir         = 11.7;
   6 esio2r       = 3.9;
   7 esi          = e0 * esir;
   8 esio2        = e0 * esio2r;
   9 hplanck      = 6.626e-34;
  10 hbar         = ( hplanck/ (2*pi));
  11 mn0          = 9.11e-31;
  12 mn           = 0.26*mn0;
  13 mh           = 0.18*mn0;
  14
  15
  16 qsue         = q / esi;
  17 T0           = 300 ;
  18 Vth          = Kb * T0 / q;
  19 un           = 1417e-4;
  20 up           = 480e-4;
  21 tp           = 1e-7;
  22 tn           = 1e-7;
  23
  24 mnl          = 0.98*mn0;
  25 mnt          = 0.19*mn0;
  26 mndos        = (mnl*mnt*mnt)^(1/3);
  27
  28 mhh             = 0.49*mn0;
  29 mlh             = 0.16*mn0;
  30 mhdos           = (mhh^(3/2)+mlh^(3/2))^(2/3);
  31
  32 rn              = .1;
  33 aleph           = hbar^2/(4*rn*q*mn);
  34 alephn          = aleph;
  35 rp              = .1;
  36 alephp          = hbar^2/(4*rp*q*mh);
  37
  38 Nc              = (6/4)*(2*mndos*Kb*T0/(hbar^2*pi))^(3/2);
  39 Nv              = (1/4)*(2*mhdos*Kb*T0/(hbar^2*pi))^(3/2);
  40 Eg0             = 1.16964*q;
  41 alfaEg          = 4.73e-4*q;
  42 betaEg          = 6.36e2;
  43 Egap            = Eg0-alfaEg*((T0^2)/(T0+betaEg));
  44
  45 ni              = sqrt(Nc*Nv)*exp(-Egap/(2*(Kb * T0)));
  46 Phims           = - Egap /(2*q);
  47
  48
  49 ## This file is part of
  50 ##
  51 ## SECS1D - A 1-D Drift--Diffusion Semiconductor Device Simulator
  52 ## -------------------------------------------------------------------
  53 ## Copyright (C) 2004-2007  Carlo de Falco
  54 ##
  55 ##
  56 ##
  57 ##  SECS1D is free software; you can redistribute it and/or modify
  58 ##  it under the terms of the GNU General Public License as published by
  59 ##  the Free Software Foundation; either version 2 of the License, or
  60 ##  (at your option) any later version.
  61 ##
  62 ##  SECS1D is distributed in the hope that it will be useful,
  63 ##  but WITHOUT ANY WARRANTY; without even the implied warranty of
  64 ##  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  65 ##  GNU General Public License for more details.
  66 ##
  67 ##  You should have received a copy of the GNU General Public License
  68 ##  along with SECS1D; If not, see <http://www.gnu.org/licenses/>.
  69
  70 % Last Revision:
  71 % $Author: adb014 $
  72 % $Date: 2008-02-04 16:26:27 +0100 (man, 04 feb 2008) $
  73