Schottky Barrier: Understand Electron Movement

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The difference is that the term "barrier" is used when discussing the physical characteristics of the diode, while "potential" is used when discussing the energy required for electrons to move across the interface. It is essentially just a difference in terminology.In summary, the discussion revolved around the Schottky barrier diode and a question was raised about the movement of electrons between the semiconductor and metal. It was clarified that the terms "barrier" and "potential" refer to the same thing and are used interchangeably. The barrier refers to the physical characteristics, while potential refers to the energy required for electron movement.
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Schottky barrier ! ?

hi all

something i can't understand in the schottky barrier diode
i know that when electrons move from semiconductor(n type) to metal a depletion region appears in the n side so potentail difference is created
so for electrons to move from S.c to metal they need to overcome this potential

the question is:
why the electrons to move from metal to sc ther have to overcome the barrier not the potential

i really have a problem to understand the meaning of barrier
 
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They refer to the same thing. In fact, some authors refer to a "potential barrier."
 

1. What is a Schottky Barrier?

A Schottky Barrier is a type of junction formed at the interface between a metal and a semiconductor material. It creates a barrier for electrons to move from one material to the other, resulting in a rectifying behavior.

2. How does a Schottky Barrier affect electron movement?

A Schottky Barrier blocks the flow of electrons from the metal to the semiconductor, but allows them to flow in the opposite direction. This results in a rectifying behavior where current can only flow in one direction.

3. Why is it important to understand electron movement in a Schottky Barrier?

Understanding electron movement in a Schottky Barrier is crucial for designing and optimizing electronic devices such as diodes and transistors. It also plays a significant role in the performance of solar cells and other electronic applications.

4. How is the Schottky Barrier height determined?

The Schottky Barrier height is determined by the difference in work function between the metal and the semiconductor materials. It can also be affected by the type of metal used and the doping level of the semiconductor.

5. Can the Schottky Barrier be modified or controlled?

Yes, the Schottky Barrier height can be modified or controlled by changing the metal used, altering the doping level of the semiconductor, or by applying an external electric field. This allows for fine-tuning of electronic devices to improve their performance.

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