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NP Junction: Short-Base Depletion Approximation
Tool Description
Launch Tool
Archive Version 1.0
Published on 21 Aug 2008, unpublished on 08 Sep 2008 All versions
doi:10.4231/D3N00ZS8S cite this
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Abstract
This model is valid under the assumption that the width of the p-region is sufficiently small so that injected minority carriers diffuse to the metal contact before recombining with majority carriers.
( Depletion Width << Diffusion Length )
The NP Junction: Short-Base Depletion Approximation tool is used
to approximately calculate, and then graph, the distribution in an
n- and p-type junction of :
- Charge Density
- Electric Field Intensity
- Electrostatic Potential
- Excess Carrier Concentration
- Current Density
- Current Density Amplitude
- Depletion Width
- Max Excess Hole Concentration
- Max Excess Electrons Concentration
- Junction Capacitance
- 1 / C^2
References
For full details please see Chapter 5 of Streetman's and Banerjee's book " Solid State and Electronic Devices " Sixth Edition.
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