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Messages - chitrapandy

Pages: [1]
1
Questions and Answers / Re: error
« on: June 17, 2021, 03:20 »
Ok, I understand.
THnk you for the suggestion.

2
Questions and Answers / Electrostatic Doping
« on: June 14, 2021, 03:46 »
I have generated the p+n+ diode structure with i-layer and  the doping in the n+ and p+ region with doping concentration of 2×10+20 /cm3.
The doping is considered as electrostatic doping like extra charge is added on atom .
My question is how it consistent with the normal doping( using conventional dopants like P & B)?
Is this kind of doping really forms depletion region like conventional dopant ?
Can anyone give the clarity on this?
Thank you

3
Questions and Answers / error
« on: June 14, 2021, 03:33 »
Hi,

I have calculated Id-Vg for my transistor structure. At the first time I have viewed the IdVg using IV characteristics analyzer but now below error is shown

Traceback (most recent call last):
  File "IdVG_300K.py", line 1573, in <module>
    enforce_zero_transmission_in_band_gap=True,
  File "zipdir\NL\Study\IVCharacteristics.py", line 1889, in __init__
  File "zipdir\NL\Study\Study.py", line 532, in _saveState
  File "zipdir\NL\Study\Study.py", line 517, in _saveToFile
  File "zipdir\NL\IO\NLSaveUtilities.py", line 471, in nlsave
  File "zipdir\NL\IO\HDF5.py", line 279, in __delitem__
  File "h5py\_objects.pyx", line 54, in h5py._objects.with_phil.wrapper
  File "h5py\_objects.pyx", line 55, in h5py._objects.with_phil.wrapper
  File "build\lib\site-packages\h5py-2.7.1-py3.6-win-amd64.egg\h5py\_hl\dataset.py", line 496, in __getitem__
  File "h5py\_objects.pyx", line 54, in h5py._objects.with_phil.wrapper
  File "h5py\_objects.pyx", line 55, in h5py._objects.with_phil.wrapper
  File "h5py\h5d.pyx", line 181, in h5py.h5d.DatasetID.read
  File "h5py\_proxy.pyx", line 158, in h5py._proxy.dset_rw
  File "h5py\_proxy.pyx", line 84, in h5py._proxy.H5PY_H5Dread
OSError: Can't read data (bad global heap collection signature)

How to rectify this error? Help me to solve this issue.
Thank you

4
Questions and Answers / Re: error in IdVg Calculation
« on: June 22, 2020, 02:47 »
Hi

Thank you for the clarification.

Regards
Chitra


5
Questions and Answers / error in IdVg Calculation
« on: June 12, 2020, 10:30 »
Hi,

While calculating IdVg I got this error.
Please help me to understand and solve this error.
Calculating Eigenvalues    : ==================================================

** Back Engine Exception: More electrons than states to distribute them over.
** Location of Exception : occupationutilities.cpp:443

I have attached the py script and error log file for the reference.
Thank you

6
Questions and Answers / Re: OptimizationDevice Geometry
« on: January 9, 2020, 05:31 »
when I run using the LCAO calculator for optimization i am getting the below warning

WARNING                                                                     
                                                                       
# The computed multigrid residual is greater than the required accuracy. #
                                                                           
# Computed residual :   4.44756e-10   #
# Required accuracy :   1.00000e-12   #


I don't understand what is the significance  can anyone pls tell about this warning?

Thank you

7
Questions and Answers / Re: OptimizationDevice Geometry
« on: January 7, 2020, 08:17 »
ok. I will try other calculators.
Thank you for your suggestion.

8
Questions and Answers / OptimizationDevice Geometry
« on: January 6, 2020, 05:11 »
Hi,

I have created SiNWFET device geometry which is doped with single Phosphorus , Single Boron atom  in its central region and I try to optimize this using optimizeDeviceGeometry study object.
 Following error occurred during the optimization. Please help to rectify this error.
I have attached the device geometry python script and log file.

9
I used the restart configuration which is provided in the manual but still unable to run the script ended with the error in the restart_configuration. attached the log file and script.

I checked nearly most of the tutorials talking abt this restart method usage examples. Still I dont understand why this error occured. Unable to solve to solve this error for long time.

Can anyone please help to rectify this error.

Thanks in advance.

Thank you
Regards
Chitra

10
Hi,

I have already attached my python script file.
Here I have created a GAA device structure using SiNW.
Trying to simulate the Id Vd curve for zero bias condition for varying Vd from 0 to 1V using IV characteristics study object.
Pls find the log file attached.
chitra


11
Hi,

I am trying to calculate IdVd characteristics  and ended with this error.
I used this tutorial as reference and try to rectify the error message to call update () first.
Still I am getting the same error.

https://docs.quantumatk.com/manual/Types/IVCharacteristics/IVCharacteristics.html
https://docs.quantumatk.com/tutorials/ivcharacteristics/ivcharacteristics.html#ivcharacteristics

Please suggest the solution for this error.


Traceback (most recent call last):
  File "zipdir\NL\GUI\MainWindow\LabFloor\LabFloorModel.py", line 333, in load
  File "C:\Program Files\QuantumATK\QuantumATK-P-2019.03-SP1\Lib\site-packages\AddOns\ATKDataReader\ATKDataReader.py", line 363, in load
    data._readHeavyweightData()
  File "zipdir\NL\Study\Study.py", line 430, in _readHeavyweightData
  File "zipdir\NL\IO\NLSaveUtilities.py", line 853, in nlread
  File "zipdir\NL\IO\HDF5.py", line 544, in readHDF5
  File "zipdir\NL\IO\HDF5.py", line 644, in readHDF5Group
  File "zipdir\NL\IO\Serializable.py", line 338, in _fromVersionedData
  File "zipdir\NL\IO\Serializable.py", line 436, in __initFromVersionedData
  File "zipdir\NL\Study\IVCharacteristics.py", line 1870, in __finalizeObject
  File "zipdir\NL\Study\Study.py", line 554, in _refreshDataCache
  File "zipdir\NL\Study\Study.py", line 195, in add
  File "zipdir\NL\Study\IVCharacteristics.py", line 220, in _process
  File "zipdir\NL\Calculators\Interfaces\CalculatorInterface.py", line 94, in isConverged
  File "zipdir\NL\Calculators\Interfaces\CalculatorInterface.py", line 155, in _convergenceInformation
NL.ComputerScienceUtilities.Exceptions.NLError: No convergence information available. Call "update()" first.

Thank you
Chitra

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