Monte-Carlo Simulation of High-Field Electron Transport in Alternating- Current Thin-Film Electroluminescent Devices

Abstract

We present an ensemble Monte Carlo simulation of electron transport in bulk ZnS at high electric fields. Scattering mechanisms associated with polar optical phonons, acoustic phonons (through deformation potential coupling), intervalley scattering, and impurities (neutral and ionized) are included in a nonparabolic multi-valley model. The simulated results show that energetic electrons are available for impact excitation at fields exceeding 1 MV/cm, and that transient effects are negligible in explaining measured efficiencies in ACTFEL devices.... ACTFEL, Electroluminescence, Monte Carlo, High-Field Transport, ZnS.

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Document Details

Document Type
Technical Report
Publication Date
Jan 01, 1993
Accession Number
ADA260274

Entities

People

  • J. F. Wager
  • K. Bhattacharyya
  • Stephen M. Goodnick

Organizations

  • Oregon State University

Tags

Communities of Interest

  • Energy and Power Technologies

DTIC Thesaurus Topics

  • Band Structures
  • Conduction Bands
  • Crystal Lattice Vibrations
  • Electric Fields
  • Electrons
  • Energy Bands
  • Excitation
  • Films
  • Impurities
  • Luminescence
  • Materials
  • Monte Carlo Method
  • Phonons
  • Scattering
  • Simulations
  • Steady State
  • Thin Films

Fields of Study

  • Materials science

Readers

  • Computational Modeling and Simulation
  • Materials Science and Engineering.
  • Quantum Dot Semiconductor Device Photonics and Graphene Optoelectronic Materials and THz Physics.

Technology Areas

  • Microelectronics