5.) describe and diagram in detail the behavior of the pn junction when it is forwarded...

5.) describe and diagram in detail the behavior of the pn junction when it is forwarded biased. When it is reversed biased.

6.) Describe how a reversed biased pn-junction is used as a light detector.

Expert Solution

genius_generous answered 2 years ago

Describe and diagram in detail what happens when a pn-junction is formed. Include the band structure...

Describe and diagram in detail what happens when a pn-junction is formed. Include the band structure in equalibrium using the 'capacitor' approximation and describe and indicate all currents in the junction.

Describe how a pn junction is formed

Question 5: pn junction (a) Explain the main physical principles underlying the operation of a pn-junction-based...

Question 5: pn junction (a) Explain the main physical principles underlying the operation of a pn-junction-based diode. (b) Provide a rigorous derivation of the net current through the pn-junction for both the forward and reverse bias. Explain and justify every step in your derivation. (c) For a fixed temperature, plot the net current as a function of applied voltage.

PN Junctions and breakdown 1. Draw and interpret energy band diagram for pn junction in equilibrium,...

PN Junctions and breakdown 1. Draw and interpret energy band diagram for pn junction in equilibrium, forward, and reverse bias 2. Describe what physically happens (And why) when you put n-Si in contact with p-Si (e.g., junction formation) 3. Calculate Vo, W, Wn, Wp 4. Describe how/why current flows in forward and reverse bias. 5. Utilize law of junction to calculate the minority carrier concentration just outside the depletion layer 6. Quantify the forward and reverse bias current in a...

PN Junctions and breakdown 1. Draw and interpret energy band diagram for pn junction in equilibrium,...

PN Junctions and breakdown 1. Draw and interpret energy band diagram for pn junction in equilibrium, forward, and reverse bias 2. Describe what physically happens (And why) when you put n-Si in contact with p-Si (e.g., junction formation) 3. Calculate Vo, W, Wn, Wp 4. Describe how/why current flows in forward and reverse bias. 5. Utilize law of junction to calculate the minority carrier concentration just outside the depletion layer 6. Quantify the forward and reverse bias current in a...

1.pn junction when forward bias is applied Draw the energy band diagram. Explain all the quasi...

1.pn junction when forward bias is applied Draw the energy band diagram. Explain all the quasi fermi levels in the depletion region and why they are so drawn. 2.pn junction when reverse bias is applied Draw the energy band diagram. Explain all the quasi fermi levels in the depletion region and why they are so drawn.

A2) i) What is the cause of the junction capacitance and diffusion capacitance of a pn...

A2) i) What is the cause of the junction capacitance and diffusion capacitance of a pn junction? Under what condition the junction and diffusion capacitance of the pn junction will exist? ii) Is the junction capacitance of a pn junction linear? How about the diffusion capacitance?

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5.) describe and diagram in detail the behavior of the pn junction when it is forwarded...

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