Distinguish between p and n-type semiconductors?

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SUMMARY

The Hall effect is a definitive method to distinguish between p-type and n-type semiconductors. In p-type semiconductors, holes serve as the majority charge carriers, resulting in a positive Hall voltage. Conversely, n-type semiconductors have electrons as the majority charge carriers, leading to a negative Hall voltage. Proper connection of the voltmeter is crucial for accurate measurement of the Hall voltage polarity.

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islandguy
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how can i use the hall effect to destinguish between p and n-type semiconductors?



i thank u in advance
kris
 
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islandguy said:
how can i use the hall effect to destinguish between p and n-type semiconductors?



i thank u in advance
kris

This question is difficult to answer without the use of figures, so look here:

http://hyperphysics.phy-astr.gsu.edu/hbase/magnetic/hall.html

Pay particular attention to the polarity of the hall voltage and how you connect the voltmeter.

Zz.
 
In particular, the polarity of the Hall Voltage depends on the sign of the majority charge carriers. eg: p-type => holes are majority charge carriers => positive charge.
 

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