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PN Junction Lab

Everything you need to explore and teach the basic concepts of P-N junction devices

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This tool version is unpublished and cannot be run. If you would like to have this version staged, you can put a request through HUB Support.

Archive Version 1.6
Published on 19 Aug 2009, unpublished on 20 Aug 2009
Latest version: 1.9.1. All versions

doi:10.4231/D3JQ0SV1J cite this

This tool is closed source.

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Abstract

PN Junction Lab - Everything you need to explore and teach the basic concepts of P-N junction devices. Edit the doping concentrations, change the materials, tweak minority carrier lifetimes, and modify the ambient temperature. Then, see the effects in the energy band diagram, carrier densities, net charge distribution, I/V characteristic, etc. Tutorial on PN Junction Theory and modeling is found on the following links: Some interesting exercises regarding pn-junction theory and modeling are listed below:
      Improvements / modifications in subsequent version releases:
  • 1.6 - Fixed for improved meshing in PIN diode case. Fixed Recombination rate sign.
  • 1.53 - Meshing improved by adding doping dependence on mesh density.
  • 1.52 - Improved meshing using inhomogenous grid.
  • 1.51 - Corrected excess minority carrier error.
  • 1.5- Added depletion approximation.
  • 1.4 - Added status bar for running simulation.
  • 1.3.1 - Updated the output plot labeling.
  • 1.3 - Added Current Density (A/cm2) plot in output for each bias in sequence.
  • 1.2.2 - Increased the input Voltage (V) range for simulations.
  • 1.2.1 - Fixed for post-run deletion of redundant output files.
  • 1.2 - Added CV (Capacitance-Voltage) curve in the output plot. CV across PN junction can now be visualized
  • 1.1.2 - Updated for meshing density for faster convergence.
  • 1.1.1 - Updated for minimum number of nodes to be used in simulation.
  • 1.1 - Fixed minor bug in bias point discrepancy . Converted bias points from integer to float
  • 1.0 - 1D PN-Junction tool launched.

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