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Latest Questions

• + 5  

  simulate CdTe

  Is it possible to simulate CdTe nanowire through the bandstructure lab? That will be tremendous help. Thanks in advance Neel.

  Asked by Neelanjan Bhattacharya - 1 month ago    1  1  

  Tags:

  1. tool:bandstrlab
   

• + 100  

  compare a tight binding calculation to the analytical expansion methodin this tool

  The tool solves the analytical expansions through transfer matrices to compute transmission coefficients. The RTD tool for example solves the similar problem in a single effective mass approach. It ...

  Asked by Anonymous - 2 months ago    1  2  

  Tags:

  1. tool:pcpbt
   

• + 10  

  no band edge diagrams anymore

  It seems like the band edge diagrams are no longer being displayed, as shown on the screen shots. Can they be enabled again?

  Asked by Anonymous - 3 months ago    1  0  

  Tags:

  1. tool:bjt
   

• + 10  

  no output characteristics computed for pnp transistors

  It appears that the simulator fails to converge for the standard pnp input deck. It does not provide a proper output characteristic

  Asked by Anonymous - 3 months ago    1  0  

  Tags:

  1. tool:bjt
   

• + 20  

  intraband transitions- quantum dot lab

  Regarding the Quantum dot lab,I have a question. I want to put the simulations in my thesis, so i must be sure that my understanding is correct. The software is using a single band model.So that ...

  Asked by Neelanjan Bhattacharya - 4 months ago    0  0  

  Tags:

  1. intraband transitions- quantum dot lab
   

• + 5  

  nanowire simulation quantum dot lab

  Dear Sir, Is it possible to simulate optical properties of a quantum wire in quantum dot lab? We made GaAs quantum wires of 15nm radius, but in "quantum dot lab", we can modify a sphere in to a ...

  Asked by Neelanjan Bhattacharya - 4 months ago    1  1  

  Tags:

  1. nanowire simulation quantum dot lab
   

• + 5  

  bandgap in quantum dot lab

  The quantum dot lab has an option to insert the effective mass to help select a user defined material. To make it more effective, could you please also include the bandgap and dielectric constant as ...

  Asked by Neelanjan Bhattacharya - 4 months ago    0  0  

  Tags:

  1. bandgap in quantum dot lab
   

• + 10  

  Si and GaAs structure appear to be on different scales or different origins.

  It is hard to compare the two materials as the origin is shifted out of the field of view. Can get this get fixed?

  Asked by Anonymous - 5 months ago    1  0  

  Tags:

  1. tool:crystal_viewer
   

• + 10  

  graphene unit cell representation shows very small atoms

  when the graphene material system is displayed as a unit cell the carbon atoms are really small. In the diamond lattice or the bucky ball that is not the case. Can this get so the atoms are more ...

  Asked by Anonymous - 5 months ago    1  0  

  Tags:

  1. tool:crystal_viewer
   

• + 5  

  please plot a sweep of Vgs

  I am ramping the gate-source voltage, but only one plot appears a plot as a function of Vds. Can a new plot be added, please? In fact the citation below does exactly perform this. But they must ...

  Asked by Gerhard Klimeck - 6 months ago    1  0  

  Tags:

  1. tool:sbcnfet
   

• Closed

  Could k be expressed by kx ky kz?

  I do not really know the meaning of "effective k" in the result figure.(the square root of kx ky kz?) This tool can show a table of k-E. Is this possible to show the "kx ky kz E" in the final result ...

  Asked by JUNG-PIAO, CHIU - 1 week ago    2  0  

  Tags:

  1. tool:bandstrlab
   

• what can i use simulator on line

  Asked by mourad berd - 1 week ago    0  0  

  Tags:

  1. tool:cntfet
   

• It can't be launched!

  Dear administrator, The simulator seems to be out of work???

  Asked by Cash Huang - 2 weeks ago    0  0  

  Tags:

  1. tool:Meep
   

• Closed

  number of bands

  Hi I simulated 6 bands, on the results it shows band no 1, 3,6 for Conduction band and like 1 and 3 for valence band. why are 2 and 4 missing Thanks Neel

  Asked by Neelanjan Bhattacharya - 2 weeks ago    2  2  

  Tags:

  1. tool:bandstrlab
   

• Determine the tunneling coefficient as a function of energy

  Determine the tunneling coefficient as a function of energy for the following V V(x)= 0 ,|x|

  Asked by kamla alsulimi - 2 weeks ago    0  0  

  Tags:

  1. matlap
   

• Determine the tunneling coefficient as a function of energy

  Determine the tunneling coefficient as a function of energy for the following V V(x)= 0 ,|x|

  Asked by kamla alsulimi - 2 weeks ago    0  0  

  Tags:

  1. please help me
   

• Closed

  oxide thickness/

  what does self consistent calculation mean? when is oxide thickness included for Si NW calculation? Thanks for your excellent tool

  Asked by Neelanjan Bhattacharya - 3 weeks ago    1  0  

  Tags:

  1. tool:bandstrlab
   

• how to run a oof2-script ?

  I see the option LOAD/Script.. deactivated. Is it not possible to run oof2(python)-scripts on Nanohub? many thanks

  Asked by Alessandro Zivelonghi - 3 weeks ago    0  0  

  Tags:

  1. tool:oof2
   

• Could k be devided into kx ky kz component possible?

  The E-k diagram might be constructed by kx ky kz instead of knorm. If the result can present a table of "kx ky kz E" will be much greater helpful.

  Asked by JUNG-PIAO, CHIU - 4 weeks ago    0  0  

  Tags:

  1. tool:abacus
   

• What tool can be used to simulate compound semiconductor HBT?

  Asked by Anonymous - 4 weeks ago    0  0  

  Tags:

  1. BJT
  2. Transistor