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Summer School on Computational Materials Science
2002
University of Illinois, Urbana-Champaign

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Hierarchy of Models and Classical Device Simulation Approaches

Dragica Vasileska - vasilesk@imap2.asu.edu

Department of Electrical Engineering

Arizona State University


Outline of Lecture

  1. Introduction to modeling
    1. Modeling
    2. Goals of device modeling
    3. Physical device simulation
    4. Hierarchy of semiconductor simulation models
  2. Drift-diffusion model
    1. Derivation of current continuity equation
    2. Derivation of the electron current equation
    3. Validity of the drift-diffusion model
    4. Physical limitations of the drift-diffusion model
    5. Choice of variables in the drift-diffusion model
    6. Scharfetter-Gummel discretization scheme
    7. Boundary conditions
    8. Generation and recombination model
    9. Mobility models
    10. Gummel's and Newton's schemes
    11. Existing drift-diffusion simulators
  3. Hydrodynamic model
    1. Derivation of the basic hydrodynamic equations
    2. Ensemble relaxation rates
    3. Discretization of the balance equation
  4. Introduction to the Silvaco ATLAS tool
    1. Some general comments
    2. DeckBuild overview
    3. ATLAS syntax
    4. Examples
 
   

Lecture 1

Hierarchy of Simulation models
  Presentation - download (503 KB PDF)

Lab Exercises

  Drift-Diffusion Simulation with Silvaco S-PISCES (76 KB PDF)

Solution input file (3 KB txt)

 


Last Updated August 13, 2002
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