Theoretical Studies of Electron Transport in Quantum-Well Structures

Abstract

The study of resonant tunneling structures (RTS) has become increasingly important because of possible device applications and also because of the basic physics they involve. Within the static picture we have calculated the dwell time, i.e., the average time an electron spends inside an RTS. The actual time involved in the tunneling process can be described by the solution of the time-dependent effective mass Schrodinger equation (TDEMSE), and a code based on the fast Fourier transform method is developed to solve the TDEMSE for a potential profile such as RTS. The physical properties of an RTS investigated are the build-up time, which is the time taken by an electron to accumulate probability inside the well, and the escape time. (JHD)

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Document Details

Document Type
Technical Report
Publication Date
Oct 01, 1990
Accession Number
ADA228429

Entities

People

  • Devaraj Sahu
  • Lakshmi N. Pandey
  • Mark I Stockman
  • Thomas F. George

Organizations

  • University at Buffalo

Tags

Communities of Interest

  • Energy and Power Technologies

DTIC Thesaurus Topics

  • Chemistry
  • Classification
  • Compound Semiconductors
  • Dwell Time
  • Electrons
  • Equations
  • Fast Fourier Transforms
  • New York
  • Physical Properties
  • Physics
  • Plane Waves
  • Probability
  • Quantum Tunneling
  • Quantum Wells
  • Schrodinger Equation
  • Security
  • United States

Fields of Study

  • Physics

Readers

  • Optical Physics and Photonics.
  • Thin Film Deposition Science.
  • Wave Propagation and Nonlinear Chaotic Dynamics.

Technology Areas

  • Microelectronics
  • Quantum Computing