/usr/share/octave/packages/secs2d-0.0.8/Utilities/constants.m is in octave-secs2d 0.0.8-5.
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% SECS2D - A 2-D Drift--Diffusion Semiconductor Device Simulator
% -------------------------------------------------------------------
% Copyright (C) 2004-2006 Carlo de Falco
%
%
%
% SECS2D 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.
%
% SECS2D 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.
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% You should have received a copy of the GNU General Public License
% along with SECS2D; If not, see <http://www.gnu.org/licenses/>.
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;
vsatn0 = 1.07e5;
vsatp0 = 8.37e4;
vsatnexp = 0.87;
vsatpexp = 0.52;
vsatn = vsatn0*(300/T0).^vsatnexp;
vsatp = vsatp0*(300/T0).^vsatpexp;
mubn0 = 1.109;
mubp0 = 1.213;
mubnexp = 0.66;
mubpexp = 0.17;
mubn = mubn0*(T0/300)^mubnexp;
mubp = mubp0*(T0/300)^mubpexp;
mudopparn = [ 52.2e-4 %mumin1
52.2e-4 %mumin2
43.4e-4 %mu1
0e+6 %Pc
9.68e22 %Cr
3.43e26 %Cs
0.680 %alpha
2.0 %beta
];
mudopparp = [ 44.9e-4 %mumin1
0.00e-4 %mumin2
29.0e-4 %mu1
9.23e22 %Pc
2.23e23 %Cr
6.10e26 %Cs
0.719 %alpha
2.0 %beta
];
tp = 1e-7;
tn = 1e-7;
twp = .1e-12;
twn = .1e-12;
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 = 3;
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 = -.79;%- Egap /(2*q);
kappaSi = 154.86;
% Last Revision:
% $Author: adb014 $
% $Date: 2008-02-04 16:26:27 +0100 (man, 04 feb 2008) $
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