Antimonide-based type II superlattices: A superior candidate for the third generation of infrared imaging systems

Manijeh Razeghi, Abbas Haddadi, A. M. Hoang, G. Chen, S. Bogdanov, S. R. Darvish, F. Callewaert, P. R. Bijjam, Ryan P McClintock

Research output: Contribution to journalReview article

20 Scopus citations

Abstract

Type II superlattices (T2SLs), a system of interacting multiquantum wells, were introduced by Nobel Laureate L. Esaki in the 1970s. Since then, this material system has drawn a lot of attention, especially for infrared detection and imaging. In recent years, the T2SL material system has experienced incredible improvements in material growth quality, device structure design, and device fabrication techniques that have elevated the performance of T2SL-based photodetectors and focal-plane arrays (FPAs) to a level comparable to state-of-the-art material systems for infrared detection and imaging, such as mercury cadmium telluride compounds. We present the current status of T2SL-based photodetectors and FPAs for imaging in different infrared regimes, from short wavelength to very long wavelength, and dual-band infrared detection and imaging, as well as the future outlook for this material system.

Original languageEnglish (US)
Pages (from-to)2802-2807
Number of pages6
JournalJournal of Electronic Materials
Volume43
Issue number8
DOIs
StatePublished - Jan 1 2014

Keywords

  • InAs/GaSb/AlSb type II superlattices
  • Infrared imaging
  • dual-band
  • focal-plane arrays
  • high operating temperature
  • infrared photodetectors

ASJC Scopus subject areas

  • Electronic, Optical and Magnetic Materials
  • Condensed Matter Physics
  • Electrical and Electronic Engineering
  • Materials Chemistry

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