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Numerical Analysis of Tunneling Between Stacked Quantum Wires with the Inclusion of the Effects from Effective Mass Discontinuities

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Abstract

A technique for the exact solution of the 3D Schrödinger equation in a structure with the effective mass varying in the direction transverse with respect to that of electron propagation is presented. Such a technique is applied to the study of the tunneling conductance between two stacked quantum wires as a function of the voltage applied to a top gate, whose action on the confinement potential is evaluated by means of a 3D Poisson solver. Results are then compared with those for an approximate model that allows separating the variables of the Schrödinger equation and with those for a simplified treatment of the gate action.

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Authors and Affiliations

  1. Dipartimento di Ingegneria dell'Informazione, Università degli studi di Pisa, Via Diotisalvi 2, I-56126, Pisa, Italy

    L. Bonci & M. Macucci

  2. Beckman Institute, University of Illinois at Urbana-Champaign, 405 N. Mathews, Urbana, IL, 61801, USA

    D. Guan & U. Ravaioli

Authors
  1. L. Bonci
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  2. M. Macucci
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  3. D. Guan
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  4. U. Ravaioli
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Bonci, L., Macucci, M., Guan, D. et al. Numerical Analysis of Tunneling Between Stacked Quantum Wires with the Inclusion of the Effects from Effective Mass Discontinuities. Journal of Computational Electronics 2, 127–130 (2003). https://doi.org/10.1023/B:JCEL.0000011412.66674.10

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  • DOI: https://doi.org/10.1023/B:JCEL.0000011412.66674.10

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