So applying a very small forward voltage will cause the diode in conduction. Esaki diodes was named after Leo Esaki, who in 1973 received the Nobel Prize in Physics for discovering the electron tunneling VI Characteristics of Diode in Reverse Bias. By offering losses in L and C components of a tank circuit, such a negative resistance permits oscillations. The minimum IP/IV ratio for GaSb diode is about 12:1 and has the lowest resistance of all given by RN = -60/IP. //-->