 
News
 01032016
 New feature: Input of a userdefined function for the alloy
profile, doping profile or potential profile.
 18082015
 A new update of the executables has been released: nextnano_setup_2015_08_18.zip
( version 3.1.0.0)
 02062015
 New tutorial:
Twodimensional electron
gas in an AlGaN/GaN field effect transistor
 02092014
 New update of the code released (nextnano_2014_09_02.zip ):
Download
Changes:
 3D region cone is now called
truncatedcone . ==>
$regions
 newstrainroutine = yes has
been replaced with straincalculation =
strainminimizationnew . ==>
$simulationflowcontrol
 bug fixes for 8band k.p
 New feature: Output of calculated effective masses from k.p
dispersion
 22032013
 New update of the code released:
Download
 20062012
 New keyword:
$outputsection
 26012012
 New tutorial:
Schrödinger equation of a twodimensional coreshell structure
Hexagonal 2DEG  Twodimensional electron gas in a deltadoped hexagonal
shaped GaAs/AlGaAs nanowire heterostructure
 09062011
 New update of the code released:
Download
 07062011

Density in npdoped GaAs superlattice  Comparison of classical, quantum, k.p and
fullband density k.p approach for normal and broken gap alignment
 24052011

Density in ndoped GaAs  Comparison of classical, quantum,
k.p and
fullband density k.p approach
 09032010
 New feature: alloy sweep (sweep over
alloy concentration)
$alloyfunction
 25012010
 Extended PoissonBoltzmann equation:
Potentials of mean force (PMF)
 28102009

Carrier statistics
of graphene sheets
 22102009

Transmission
through a 3D nanowire
 10092009

Intermediateband solar cell (artificial quantum dot crystal)
 21082009

Strain effects in freestanding threedimensional nitride nanostructures
 23042009
 2D: Efficient method for the calculation of ballistic quantum transport 
The CBR method (2D example)
 06082008
 3D:
Artificial
quantum dot crystal  Superlattice dispersion (minibands)
 24072008
 1D:
k.p dispersion in bulk unstrained ZnS, CdS, CdSe
and ZnO (wurtzite)
 17052008
 1D:
Piezoelectric field in InAs/GaAs QWs grown along the [111] orientation
 28042008
 1D:
Transmission function
 NEGF
 16042008
 3D:
Artificial atom
 Si QD with 6band k.p
 16042008
 3D:
Singleelectron transistor
 20032008
 3D/2D:
Artificial atom  2D:
FockDarwin states of a 2D parabolic, anisotropic (elliptical) potential in a magnetic field
 03102007

Tightbinding band structure of graphene
 26Sep2007
 1D:
CapacitanceVoltage (CV)
curve of a "metal"insulatorsemiconductor (MIS) structure
 14Sep2007
 1D:
Growth of
layers on strained (or stressed) substrates (biaxial and uniaxial)
 30Aug2007
 1D:
Strained AlAs QW  Crossover of ground states
 22Aug2007
 1D:
Selfconsistent
6band
k.p calculations of holes in strained Si/SiGe MOSFETs
 21Aug2007
 1D:
Mobility in twodimensional electron gases (2DEGs)
 InSb, GaAs and InGaAs quantum wells
 31Jul2007
 1D:
Cascade solar cell
(AlGaAs/InGaAs Tandem solar cell)
 30Jul2007
 1D:
Electron density of states (DOS)
of a GaAs quantum well and 1D:
hole density of states (DOS)
of a Si hole channel
 13Jul2007

Tightbinding band structure of bulk materials (Empirical tightbinding
(sp^{3}s*) band structure of GaAs, GaP and AlAs)
 06Apr2007
 1D/2D:
Vertically coupled quantum wires in a longitudinal magnetic field
 30Mar2007
 1D:
Optical
interband transitions in a quantum well  Matrix elements and selection rules  2D:
Exciton correction in
quantum wires
 09Feb2007
 3D:
QD molecule
 12Jan2007
 1D:
Poisson equation (for
different charge density profiles)  1D:
Resistance in bulk ntype
doped silicon
 18Dec2006
 1D:
Ballistic current in a resonant tunneling diode (RTD)
 07Dec2006
 1D:
Electron concentration in doped semiconductors (Si, Ge, GaAs)  Compensated
semiconductors
 24Nov2006
 3D:
Biexciton correction in
idealistic 3D cubic quantum dots
 15Nov2006
A new tutorial is available:

Energy dispersion of a
cylindrically shaped GaN nanowire
 01Sep2006
Some new tutorials are available:

Scattering times for electrons
in unbiased and biased single and multiple quantum wells
 17July2006
Some new tutorials are available:  1D:
Parabolic quantum well  1D:
PoissonBoltzmann
equation: The GouyChapman solution  2D:
Landau levels
in bulk GaAs (magnetic field)  2D:
FockDarwin
states of a 2D parabolic potential (magnetic field)  3D:
Cleaved edge overgrowth quantum dots (CEO QDs)
 02May2006
Some new tutorials are available:  1D:
pSi / SiO_{2} / polySi structure (MOSFET with inversion channel
due to applied gate voltage)  1D:
InAs / In_{0.4}Ga_{0.6}Sb
superlattice dispersion with 8band k.p (typeII band alignment)  1D:
InAs / GaSb broken
gap quantum well (BGQW)  1D:
Intersubband
transitions in InGaAs/AlInAs multiple quantum well systems  1D:
Si/SiGe MODQW (Modulation Doped Quantum Well)  1D:
k_{}
energy
dispersion of holes in a
GaN/AlGaN quantum well  1D:
Band gap of strained AlGaInP on GaAs substrate  2D:
Electron
wave functions of a 2D slice of a Triple Gate MOSFET  2D:
Double Gate MOSFET (quantum
mechanical calculation)  3D:
Nanocrystals
 16Sep2004
Some new tutorials are available:  1D:
Optical absorption of an InGaAs quantum well  1D:
k.p dispersion in bulk GaAs  1D:
k.p dispersion in
strained GaN (wurtzite)  1D:
strained silicon  1D:
k_{}
energy dispersion of holes in unstrained and strained silicon inversion
layers  1D: Dispersion in infinite
superlattices: Minibands  1D: Singleband ('effectivemass ') is a special case of 8band k.p ('8x8kp ')
if the electrons are decoupled from the holes Calculating the quantum mechanical
density within the singleband approximation and 8band k.p
selfconsistently Calculation of the quantum mechanical
density from the k.p dispersion (no selfconsistency)  1D:
nin Si resistor  1D:
Triangular
well  1D: Double quantum well  1D:
Quantum Confined Stark Effect 
1D: Exciton correction in
1D quantum wells  1D:
Quantum Cascade
Laser  1D: Intraband
transitions  1D:
SchrödingerPoisson  1D:
pnjunction  BIO1D:
Electrolyte Gate AlGaN/GaN Field Effect Transistor
as pH Sensor  BIO1D: SiSiO_{2} electrolyte sensor  BIO1D:
Detection of proteins with a SOI (silicononinsulator) electrolyte sensor  2D:
Quantum corral  2D:
Double Gate MOSFET (Metal
Oxide Semiconductor Field Effect Transistor)  2D:
IV characteristics of an ndoped and
nindoped Si
structure  2D:
Hole wave functions in a quantum wire
subjected to a magnetic field  1D/2D: IV characteristics of an ndoped GaN single layer (available on request,
contact:
stefan.birner@nextnano.de)  2D:
Electron and hole wave functions in
a Tshaped quantum wire grown by CEO (cleaved edge overgrowth)  2D:
Electron and hole wave functions in
a strained Tshaped quantum wire grown by CEO (cleaved edge overgrowth)  3D:
Cubic and cuboidal shaped
quantum dots  3D: Hexagonal shaped GaN quantum dot embedded in AlN
(wurtzite)  3D: Exciton correction in
idealistic 3D cubic quantum dots  3D:
Energy levels in a
pyramidal shaped InAs/GaAs quantum dot including strain and piezoelectric
fields
 08Apr2004
A new 1D tutorial was added:
GaN/AlN wurtzite structure: Strain, piezo and pyroelectric charges
in wurtzite
 24Jan2004
A new 1D tutorial was added:
Strain: Band shifts and splittings due to conduction and valence band
deformation potentials
 16Jan2004
A new 1D tutorial was added:
Energy dispersion of holes in a quantum well
 08Jan2002
Input
file generator for 1D
