Recent progress and potential impact of modulation spectroscopy for narrow-gap HgCdTe

  • Jun Shao*
  • , Li Li Ma
  • , Xiang Lu
  • , Jun Wu
  • , Zhi Feng Li
  • , Shao Ling Guo
  • , Li He
  • , Wei Lu
  • , Jun Hao Chu
  • *Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

9 Scopus citations

Abstract

Recent progress of infrared photoreflectance and modulated photolumineseence techniques was outlined with special attention focused on the significant improvement of signal-to-noise ratio, spectral resolution and time consumption relative to the conventional techniques. Application of these techniques to molecular beam epitaxially grown HgCdTe films was given as examples, from which the potential impact of the techniques was foreseen on the optical study of narrow-gap semiconductors and inter-subband transition of wide-gap semiconductors with low-dimensional structures.

Original languageEnglish
Pages (from-to)1-6+20
JournalHongwai Yu Haomibo Xuebao/Journal of Infrared and Millimeter Waves
Volume27
Issue number1
DOIs
StatePublished - Feb 2008

Keywords

  • Infrared photoreflectance
  • Modulated photoluminesence
  • Signal-to-noise ratio
  • Spectral resolution
  • Step-scan FTIR spectrometer

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