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GaAs is used in fabricating Gunn diode. Gunn diode is:

GaAs is used in fabricating Gunn diode. Gunn diode is: Correct Answer bulk device

A GUNN diode is a bulk device, that is, it does not contain any junction but it is a slice of n-type GaAs. P-type GaAs does not exhibit Gunn Effect. Hence it is a reversible and can be operated in both directions.

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