Ballistic and quasiballistic tunnel transit time oscillators for the terahertz range: Linear admittance

Z. S. Gribnikov; N. Z. Vagidov; V. V. Mitin; G. I. Haddad

doi:10.1063/1.1565496

Ballistic and quasiballistic tunnel transit time oscillators for the terahertz range: Linear admittance

Z. S. Gribnikov
, N. Z. Vagidov
, V. V. Mitin
, G. I. Haddad

Department of Electrical Engineering

Wayne State University
University of Michigan, Ann Arbor

Research output: Contribution to journal › Article › peer-review

22 Scopus citations

Abstract

The interactions between ballistic and quasiballistic electrons in an undoped tunnel injection transit-time oscillator, under the effects of electric field and small ultrahigh frequency, were investigated. For a space charge limited current, the change from parabolic to nonparabolic dispersion branch resulted in narrowing and closing of frequency windows of transit-time negative conductance. The decrease in the space charge effects due to the tunnel current limitation diminished the role of electron dispersion relation.

Original language	English
Pages (from-to)	5435-5446
Number of pages	12
Journal	Journal of Applied Physics
Volume	93
Issue number	9
DOIs	https://doi.org/10.1063/1.1565496
State	Published - May 1 2003

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abstract = "The interactions between ballistic and quasiballistic electrons in an undoped tunnel injection transit-time oscillator, under the effects of electric field and small ultrahigh frequency, were investigated. For a space charge limited current, the change from parabolic to nonparabolic dispersion branch resulted in narrowing and closing of frequency windows of transit-time negative conductance. The decrease in the space charge effects due to the tunnel current limitation diminished the role of electron dispersion relation.",

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AU - Haddad, G. I.

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AB - The interactions between ballistic and quasiballistic electrons in an undoped tunnel injection transit-time oscillator, under the effects of electric field and small ultrahigh frequency, were investigated. For a space charge limited current, the change from parabolic to nonparabolic dispersion branch resulted in narrowing and closing of frequency windows of transit-time negative conductance. The decrease in the space charge effects due to the tunnel current limitation diminished the role of electron dispersion relation.

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Ballistic and quasiballistic tunnel transit time oscillators for the terahertz range: Linear admittance

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