mdsi.m

AQUILA is a MATLAB toolbox for the one- or twodimensional simulation of ％the electronic properties

%1D-simulation with AQUILA
%modulation doped high-mobility sample

%Copyright 1999 Martin Rother
%
%This file is part of AQUILA.
%
%AQUILA 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.
%
%AQUILA 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 AQUILA; if not, write to the Free Software
%Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA

initaquila                         %initialize AQUILA
aquila_control.mode=1;             %1D-Simulation

%structure definition starting at surface
add_mbox(100,20,0,0);              %100A GaAs cap
add_mbox(1490,100,0.3,0);          %1500A AlGaAs
add_mbox(3,1,0.3,0);               %3A AlGaAs around doping with enhanced resolution
add_mbox(4,1,0.3,-2.09e19*0.94);   %4A delta-doping in AlGaAs
add_mbox(3,1,0.3,0);               %3A AlGaAs with enhanced resolution
add_mbox(800,20,0.3,0);            %800A AlGaAs spacer
add_mbox(12000,100,0.0,0);         %more than 10000A GaAs, transition to bulk

add_qbox([2350 3500],10,2,GE);     %the quantum region, where the 2DEG resides

add_pbox([2350 3500],CB);          %zoom in the channel region
add_pbox([1590 1600],CB);          %monitor the doping layer for parallel channel

add_boundary(LEFT,POTENTIAL,0);    %surface, no gate
add_boundary(RIGHT,FIELD,0);       %transition to bulk

runstructure;                      %DO IT