Semiconductor Electron Diffusion Length Calculator

Calculate Electron Diffusion Length (Ln)

Please enter a valid electron diffusion coefficient (e.g., 35).
Enter lifetime in seconds (s). For microseconds (µs), convert (e.g., 10 µs = 10e-6 s).
Please enter a valid electron lifetime (e.g., 1e-5).

Calculation Results

The Electron Diffusion Length (Ln) is: cm

Understand and calculate the electron diffusion length (Ln), a critical parameter in semiconductor physics, with our online tool. This calculator helps determine the average distance an electron can diffuse before recombining, essential for designing diodes, transistors, and solar cells. Input your values for electron diffusion coefficient (Dn) and electron lifetime (τn) to get instant results.

Formula:

The electron diffusion length (Ln) is calculated using the following formula:

Ln = √(Dn × τn)

  • Ln: Electron Diffusion Length (cm)
  • Dn: Electron Diffusion Coefficient (cm²/s)
  • τn: Electron Lifetime (s)

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