Far-infrared and high-field magnetotransport studies on a new superlattice: HgTe/CdTe

F. J. Boero, N. P. Ong, J. T. Cheung

Research output: Contribution to journalArticle

7 Scopus citations

Abstract

Far-infrared (FIR) photoconductance studies on HgTe/CdTe superlattice (thickness 110/220 Å.) show an absorption line near 16 cm-1 associated with a resonant acceptor state. Quantum oscillations in ρ{variant}xx and ρ{variant}xy are consistent with an electron density ns of 6 × 1011 cm-2. Combining the ρ{variant}xx data with the FIR data we deduce a Fermi energy of 45 mev. A temperature dependent high-field anomaly in ρ{variant}xx near 20 T suggestive of a new electronic phase is also observed.

Original languageEnglish (US)
Pages (from-to)35-39
Number of pages5
JournalSolid State Communications
Volume54
Issue number1
DOIs
StatePublished - Apr 1985
Externally publishedYes

All Science Journal Classification (ASJC) codes

  • Chemistry(all)
  • Condensed Matter Physics
  • Materials Chemistry

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