Infrared radiation detection by a piezoelectric heterostructure at room temperature

T. Kryshtab, R. Savkina, F. Sizov, A. Smirnov, M. Kladkevich, V. Samoylov

Research output: Contribution to journalArticlepeer-review

4 Scopus citations

Abstract

We We proposed a HgCdTe-based infrared imaging device, operating in the middle (3-5 μm) and long wavelength (8-14 μm) infrared spectral range without cryogenic cooling to achieve useful performance on a level D* = 2.6×10 9 W-1cmHz 1/2. The principle of operation of the IR detector, investigated in this study, is based on the generation of piezoelectric charge produced by mechanical stresses in compound semiconductor heterostructure heated due to absorption of IR light.

Original languageEnglish
Pages (from-to)1793-1796
Number of pages4
JournalPhysica Status Solidi (C) Current Topics in Solid State Physics
Volume9
Issue number8-9
DOIs
StatePublished - Aug 2012

Keywords

  • HgCdTe
  • HgCdTe/Si
  • Piezoelectric effect
  • Uncooled infrared detector

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