Consider a silicon p-n step junction (or abrupt junction) at room temperature. if the doping concentrations are na = 10^17 cm^-3 and nd = 10^14 cm^-3 , what is the depletion width (also known as space charge width)? also find the maximum electric field (e0). then derive the expression for the electric field e(x), and the potential field v(x). do not use limits of integration. to find the constant of integration, use boundary conditions such as "e=e0 at x=0". once you get expressions for e(x), you can use that for v(x). use boundary conditions, "at x=-xp0, v(x)=0, and at x=xn0, v(x)=v0".

w=2.78 mm

Explanation:

Depletion region width is found by

To obtain which is built in voltage

Where

Generally, for silicon,

Therefore,

w=2.78 mm

answer:

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explanation:

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