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Effect of the Coulomb interaction on the response time and impedance of the resonant-tunneling diodes

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1 Author(s)
Feiginov, Michael N. ; Institute of Radioengineering and Electronics of Russian Academy of Sciences, 11 Mokhovaya Street, Moscow 103907, Russia

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We demonstrated that the response time of the resonant-tunneling structures resp) can be much smaller as well as much larger than the quasibound-state lifetime. A simple analytical expression for the impedance of the resonant-tunneling diode has been derived, it takes into account the Coulomb interaction and the quasibound-state lifetime. A simple equation relating τresp to the static differential conductance has also been obtained; it allows one to get τresp in the static measurements of the current–voltage curve. © 2000 American Institute of Physics.

Published in:

Applied Physics Letters  (Volume:76 ,  Issue: 20 )