Far-infrared studies of extremely high mobility gated GaAs/AlGaAs structures in magnetic fields

R. J. Heron, R. A. Lewis, R. G. Clark, R. P. Starrett, B. E. Kane, G. R. Facer, N. B. Lumpkin, D. G. Rickel, L. N. Pfeiffer, K. W. West

Research output: Contribution to journalArticlepeer-review

3 Scopus citations

Abstract

Extremely narrow cyclotron resonance linewidths are reported in GaAs-based heterostructures measured using double-modulated far-infrared photoconductivity. At low carrier densities and temperatures full widths at half maximum as small as 6 mT are observed.

Original languageEnglish (US)
Pages (from-to)481-485
Number of pages5
JournalPhysica B: Condensed Matter
Volume256-258
DOIs
StatePublished - Dec 2 1998
Externally publishedYes

All Science Journal Classification (ASJC) codes

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

Keywords

  • Far-infrared
  • Heterostructures
  • Magnetospectroscopy

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