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Messages - jdgayles16

Pages: 1 [2] 3 4 ... 8
16
General Questions and Answers / Re: 3d viewer
« on: October 22, 2010, 03:59 »
Thanks I was able to do it with vmd.

Do you know when 11.2 is coming? also will it be possible to plot the real and imaginary of the bloch separately and LDOS.

Jacob

17
General Questions and Answers / 3d viewer
« on: October 21, 2010, 21:17 »
I want to plot few atoms as ball and stick  and the rest of my atoms i want to just plot the bonds. All the atoms are in the central I want to pick and choose which one are plotted and a certain way. Can VNL do this? if not does anyone know a program that can?

Jacob

18
I see, sorry i thought you were talking about two probe systems.

This forum has it but it may be tricky http://quantumwise.com/forum/index.php?topic=59.msg276#msg276

19
the manual for 2008.10 shows how to do DOS for two probe systems

20
I dont see why it shouldnt I would just test the script and play around with the calculateEigenstateOccupations() function

21
I always identify according to occupancy.

22
General Questions and Answers / bloch states
« on: October 7, 2010, 20:57 »
My Bloch states for my gamma point look great, thanks  :)

For non gamma points where the Bloch function can be real (R) and imaginary (I), my graphs seem a little off. Does ATK 10.8.2 plot both R and I? If so is there a way to just plot the R?


Also is there a way to just use two colors in the plotting one for majority spin and one for minority?

23
If your using ATK 2008.10 this link has a script to calculate the occupation of each level

http://quantumwise.com/forum/index.php?topic=50.0

10.8.... series does it for you =)

24
General Questions and Answers / Atk 10.8 and 10.8.1
« on: October 6, 2010, 04:50 »
It seems my DOS has 25 or more states/energy in 10.8.1 as compared to 10.8?


any suggestions

25
General Questions and Answers / Re: adding LDOS
« on: October 3, 2010, 00:59 »
I meant for a single LDOS calculation.


26
General Questions and Answers / Re: adding LDOS
« on: October 2, 2010, 20:59 »
How does one change the dE for the LDOS calculation?

27
General Questions and Answers / Re: adding LDOS
« on: October 2, 2010, 20:56 »
Sorry for not writing an error message, I was a bit tired that morning.




This  code seemed to be working, i just have to analyze the data now.  :)
Code
from ATK.TwoProbe import *
from ATK.MPI import processIsMaster
import numpy

# Fetch the calculations.
if processIsMaster(): file = VNLFile('ldosh.vnl')

# Read old atomic configuration
vnl_file = VNLFile("gap.vnl")
atomic_configuration = vnl_file.readAtomicConfigurations()["gap"]

scf = restoreSelfConsistentCalculation('CGsupergap.nc')
scf._attributeContainer().getAttributeContainer('SetupAttributes').setDouble(100.,'MeshCutoff')
t=None
energies=numpy.linspace(-0.40308,-0.34967,10)*electronVolt

for i in range(len(energies)):
    ldos = calculateLocalDensityOfStates(scf, energy = energies[i], quantum_number = (0.0,0.0))
    if t==None:
        t = ldos.toArray()
    else:
        t = t+ldos.toArray()

ldos._LocalDensityOfStates__local_density_of_states_data =t

if processIsMaster(): file.addToSample(ldos, 'ldosh', 'Local Density Of States Peak homo')
if processIsMaster(): file.addToSample(atomic_configuration,'ldosh'

28
General Questions and Answers / Re: adding LDOS
« on: October 1, 2010, 15:07 »
I want to write a script that adds several LDOS, but  I am having a lot of trouble

This is the script I wrote but I couldn't get anywhere with it.

Code
t=0
energies=numpy.linspace(-0.40308,-0.34967,10)*electronVolt

for i in range(len(energies)):
    lo = calculateLocalDensityOfStates(self_consistent_calculation = scf, energy = energies[i], quantum_number = (0.0,0.0))
    lo=lo.toArray()
    t=t+lo


export_cube_file(t,'file.cube')
if processIsMaster(): file.addToSample(t, 'ldosh', 'Local Density Of States Peak homo')
if processIsMaster(): file.addToSample(atomic_configuration,'ldosh')

29
General Questions and Answers / Re: adding LDOS
« on: October 1, 2010, 14:15 »
I think I know how, I figure i have to use the .toArray() command. but after i add the new sample to the vnl will i still be able to view it?

30
General Questions and Answers / adding LDOS
« on: October 1, 2010, 14:04 »
Can LDOS be added like effective potential?

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