3 % SECS2D - A 2-D Drift--Diffusion Semiconductor Device Simulator
4 % -------------------------------------------------------------------
5 % Copyright (C) 2004-2006 Carlo de Falco
9 % SECS2D is free software; you can redistribute it and/or modify
10 % it under the terms of the GNU General Public License as published by
11 % the Free Software Foundation; either version 2 of the License, or
12 % (at your option) any later version.
14 % SECS2D is distributed in the hope that it will be useful,
15 % but WITHOUT ANY WARRANTY; without even the implied warranty of
16 % MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
17 % GNU General Public License for more details.
19 % You should have received a copy of the GNU General Public License
20 % along with SECS2D; If not, see <http://www.gnu.org/licenses/>.
30 hbar = ( hplanck/ (2*pi));
46 vsatn = vsatn0*(300/T0).^vsatnexp;
47 vsatp = vsatp0*(300/T0).^vsatpexp;
53 mubn = mubn0*(T0/300)^mubnexp;
54 mubp = mubp0*(T0/300)^mubpexp;
55 mudopparn = [ 52.2e-4 %mumin1
64 mudopparp = [ 44.9e-4 %mumin1
83 mndos = (mnl*mnt*mnt)^(1/3);
87 mhdos = (mhh^(3/2)+mlh^(3/2))^(2/3);
90 aleph = hbar^2/(4*rn*q*mn);
93 alephp = hbar^2/(4*rp*q*mh);
95 Nc = (6/4)*(2*mndos*Kb*T0/(hbar^2*pi))^(3/2);
96 Nv = (1/4)*(2*mhdos*Kb*T0/(hbar^2*pi))^(3/2);
100 Egap = Eg0-alfaEg*((T0^2)/(T0+betaEg));
102 ni = sqrt(Nc*Nv)*exp(-Egap/(2*(Kb * T0)));
103 Phims = -.79;%- Egap /(2*q);
109 % $Date: 2008-02-04 16:26:27 +0100 (man, 04 feb 2008) $