Russian Physics Journal

, Volume 35, Issue 9, pp 830–840 | Cite as

Quantum processes of propagation of electron waves in layered structures

  • G. F. Karavaev
  • S. N. Grinyaev
  • V. N. Chernyshov


The interaction of electron waves with (001) heteroboundaries in GaAs/AlAs systems is considered using the scattering matrix and pseudopotential methods. The different transmision channels of electrons through one boundary and a two-barrier structure are analyzed. It is shown that the matching matrix contains a 3×3 block of strongly interacting Γ1, X1, and X3 states. Hence a three-trough model is proposed to describe resonant tunneling processes in the corresponding structures. The matching conditions for the wave packets are analyzed. The applicability of the often-used one-through approximation of the effective mass method is analyzed. The effect of mixing of Γ and X state on the transmission coefficient is shown to be important.


Layered Structure Wave Packet Effective Mass Transmission Coefficient Matching Condition 
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Copyright information

© Plenum Publishing Corporation 1993

Authors and Affiliations

  • G. F. Karavaev
  • S. N. Grinyaev
  • V. N. Chernyshov

There are no affiliations available

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