Woodall, Gallium arsenide deep-level pin tunnel diode
with very negative conductance", Electronics letters, sept.
TABLE I TYPE OF PULSE SOURCES AND THEIR CHARACTERISTICS (5) Best Available Risetime at Type Step/Pulse Amplitude Notes Mercury switch step 70 ps 300 V max PRF = 200 Hz Avalanche transistor pulse 150 ps 12 V device selection necessary Tunnel diode
step 25 ps 0.
As the researchers changed the voltage across the tunnel diode
, they observed large fluctuations in current due to the appearance and disappearance of wave function scars.
The barrier-crossing electrons could be used for switching purposes, and Esaki tunnel diodes
were ultrasmall and ultrafast.