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Results tagged with semiconductor-physics
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user 14174
Semiconductor physics is the branch of solid state physics that focuses on specific properties of semiconductors. It studies dynamics of different perturbations (mainly electrons and holes) in the semiconductor crystal and the ways to harness it in electrical circuits.
1
vote
P-N junction voltage under polarization
The built-in potential, $V_{ic}$, is obtained by analyzing the equilibrium situation, where drift and diffusion currents cancel each other out in the depletion region. This built-in potential is nece …
- 626
3
votes
Diffusion and Drift currents in a PN junction
Why do minority carriers form a diffusion current not a drift current after they cross the potential barrier?
Because the electric field is zero outside the depletion region, so a drift current c …
- 626
7
votes
Pn junction voltage drop?
1) If the n and p doped regions are externally connected using a perfectly conducting wire, why will not any current flow?
In thermal equilibrium no current can flow if one connects the two sides of …
- 626