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Messages - brajesh

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1
Thanking you sir

I will try to make device as you advise.
 
Sir I am also using NanoTCAD-ViDES tool to implement geometer and written reference code for graphene transistor have problem of convergence. Will you please help me to solve the problem in python code.

I am waiting for your valuable reply.

2
Sir I made this for an example. I made graphene sheet with channel length 8.8 nm and electrode length around 0.7 nm. This architecture take time in GUI and calculation due to no of atoms.
Similarly I want to work around 20nm channel length graphene transistor and GUI implementation is difficult for that length.

We have quantum wise single user license. Will it be ok.

3
Respected Sir

The GUl is hang if we make structure little big like (10nm graphene transistor) and it also takes more time in calculation.

I am working on graphene tunnel field effect transistor.Will it possible to make 30nm graphene tunnel transistor in quantum-wise.

Thank you


4
Respected Sir

Thank you sir for your reply

Sir will It possible to make 20 nm gate length graphene transistor in quantum-wise. Sir I am trying to make graphene transistor around 10nm in quantumwise than its freezes.

5
[CNTFET@quantum ~]$ vnl
Sir I am facing the following problem while I am ruuning Quantumwise Toolkit. Sir When I am starting Quantumwise than I click builder button. It automatically off. And display the error :
 
Xlib:  extension "GLX" missing on display "localhost:10.0".
Xlib:  extension "GLX" missing on display "localhost:10.0".
Xlib:  extension "GLX" missing on display "localhost:10.0".
Xlib:  extension "GLX" missing on display "localhost:10.0".
QGLContext::makeCurrent(): Cannot make invalid context current.
Traceback (most recent call last):
  File "./zipdir/NL/GUI/MainWindow/MainWindow.py", line 239, in newBuilder
KeyboardInterrupt
Xlib:  extension "GLX" missing on display "localhost:10.0".
QGLTempContext: No GL capable X visuals available.
/opt/QuantumWise/atk-12.2.2/vnl/bin/vnl: line 3:  7930 Segmentation fault      VNL_PATH=$EXEC_DIR/../.. PSEUDOPOTENTIALS_PATH=$EXEC_DIR/../../atkpython/share/pseudopotentials PYTHONHOME=$EXEC_DIR/.. PYTHONPATH= LD_LIBRARY_PATH=$EXEC_DIR/../lib $EXEC_DIR/vnl_exec $*

sir please suugest me what I need to do solve this problem.

6
General Questions and Answers / current vs gate voltage
« on: June 29, 2012, 12:24 »
I want to calculate current vs gate voltage transmission spectrum. I used graphene gate current vs voltage python code those available in quantum wise website  but it is not working. Please suggest me the ways to solve my problem.

7
I want Graphene-Nickel interface as given in quantum wise tutorial. But quantum wise version  11.8.2 is not have interface facilities. So please suggest me what I need to do for interface in VNL 11.8.2

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