All Questions
Tagged with computational-physics semiconductor-physics
11
questions
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How to Properly Discretize Semiconductor Continuity Equations
I am looking to perform numerical modeling of a MOSFET device and am wanting to better understand how to discretize the semiconductor continuity equations. The semiconductor equations consist of the ...
- 133
1
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1
answer
69
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Using Jacobi Method for Solving Full Semiconductor Equations
I am looking to perform modeling of a MOSFET device and have therefore been researching computational methods for how to do so. Quite often when solving the Poisson equation, the reader is pointed to ...
- 133
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53
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Finite Difference Modeling of MOSFET Device
Does anyone know of any references for MOSFET modeling done using the Finite Difference Method that they could point me to? I understand the gist of the operation, namely using Poisson's equation to ...
- 133
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51
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FDTD solution vs fresnel equation solutiom for reflectivity
I am comparing reflectance intensity of silicon structure with a hole.
I am getting oscillating solution for 0 roughness factor in equation based model, but the spectrum shape of FDTD and equation ...
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5
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2
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What does it mean if the Fermi level crosses into the valence band? How about into the conduction band?
I've been working on this material to get more accustomed to Quantum Espresso, and I've gone on and performed calculations to get their band structures. Here are the band structures that I got for two ...
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2
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1
answer
336
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How to calculate the energy band diagram for extrinsic and intrinsic semiconductor devices?
I am seeking advice for methods and equations to calculate the energy band diagram of intrinsic and extrinsically doped semiconductor devices. For example an InP PIN junction. I am hoping to be able ...
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37
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Can you explain how the pseudopotential method is used to calculate band structures for a senior physics student?
My senior project is about calculating the band structures using the pseudpotential technique through writing a mathematica code for some materials such GaAs. I have read about the topic and I knew ...
3
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56
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Combined effects of strain and doping on the electronic structure of semiconductors
I've read papers in DFT studies on band gap tuning in semiconductors and the usually studied methods are either through doping or application of external strain. But its always just one or the other. ...
- 595
-2
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2
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85
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Data transmission in optical fibers
Im reading though my Network Architecture lecture notes and it states optical fibers need a repeater every >10km. Repeaters are used to amplify digital signals but the notes do not explain or state ...
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375
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Calculate 2D Effective mass from bulk effective mass
I am trying to create a self consistent Shrodinger Poisson Solver for various semiconductors. There is already one done by Professor Hu from UC Berkeley - QM CV Simulator.
Looking at the code, they ...
- 11
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420
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Numerical Solution of 1D Boltzmann Transport Equation
I need to solve the one-dimensional Boltzmann transport equation in a semiconductor numerically, and I want to take a deterministic approach toward the problem (i.e. not use Monte-Carlo or similar non-...
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