Gunn effect

Gunn effect

[guhn]
noun Physics, Electronics.
the onset of microwave oscillations in a thin slice of a semiconductor when a voltage exceeding a given value is applied across the slice.

Origin:
named after J. B. Gunn (born 1928), British physicist, who discovered the effect in 1963

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Gunn effect (ɡʌn)
 
n
a phenomenon observed in some semiconductors in which a steady electric field of magnitude greater than a threshold value generates electrical oscillations with microwave frequencies
 
[C20: named after John Battiscombe Gunn (born 1928), British physicist]

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