Add a useful package (from Source forge) for octave

[CreaPhase.git] / octave_packages / secs1d-0.0.8 / Utilities / constants.m

diff --git a/octave_packages/secs1d-0.0.8/Utilities/constants.m b/octave_packages/secs1d-0.0.8/Utilities/constants.m
new file mode 100644 (file)
index 0000000..bc1fa52
--- /dev/null
+++ b/octave_packages/secs1d-0.0.8/Utilities/constants.m
@@ -0,0 +1,73 @@
+
+Kb           = 1.3806503e-23;
+q            = 1.602176462e-19;
+e0           = 8.854187817e-12;
+esir        = 11.7;
+esio2r              = 3.9;
+esi         = e0 * esir;
+esio2       = e0 * esio2r;
+hplanck             = 6.626e-34;
+hbar         = ( hplanck/ (2*pi));
+mn0          = 9.11e-31;
+mn           = 0.26*mn0;
+mh           = 0.18*mn0;
+
+
+qsue         = q / esi;
+T0           = 300 ;
+Vth         = Kb * T0 / q;
+un           = 1417e-4;
+up           = 480e-4;
+tp           = 1e-7;
+tn           = 1e-7;
+
+mnl          = 0.98*mn0;
+mnt          = 0.19*mn0;
+mndos        = (mnl*mnt*mnt)^(1/3); 
+
+mhh             = 0.49*mn0;
+mlh             = 0.16*mn0;
+mhdos           = (mhh^(3/2)+mlh^(3/2))^(2/3);
+
+rn              = .1;
+aleph           = hbar^2/(4*rn*q*mn);
+alephn          = aleph;
+rp              = .1;
+alephp          = hbar^2/(4*rp*q*mh);
+
+Nc              = (6/4)*(2*mndos*Kb*T0/(hbar^2*pi))^(3/2);   
+Nv              = (1/4)*(2*mhdos*Kb*T0/(hbar^2*pi))^(3/2);
+Eg0             = 1.16964*q;
+alfaEg          = 4.73e-4*q;
+betaEg          = 6.36e2;
+Egap            = Eg0-alfaEg*((T0^2)/(T0+betaEg));
+
+ni              = sqrt(Nc*Nv)*exp(-Egap/(2*(Kb * T0)));
+Phims           = - Egap /(2*q);
+
+
+## This file is part of 
+##
+## SECS1D - A 1-D Drift--Diffusion Semiconductor Device Simulator
+## -------------------------------------------------------------------
+## Copyright (C) 2004-2007  Carlo de Falco
+##
+##
+##
+##  SECS1D is free software; you can redistribute it and/or modify
+##  it under the terms of the GNU General Public License as published by
+##  the Free Software Foundation; either version 2 of the License, or
+##  (at your option) any later version.
+##
+##  SECS1D is distributed in the hope that it will be useful,
+##  but WITHOUT ANY WARRANTY; without even the implied warranty of
+##  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+##  GNU General Public License for more details.
+##
+##  You should have received a copy of the GNU General Public License
+##  along with SECS1D; If not, see <http://www.gnu.org/licenses/>.
+
+% Last Revision:
+% $Author: adb014 $
+% $Date: 2008-02-04 16:26:27 +0100 (man, 04 feb 2008) $
+