Carrier transport in GaAs/AlGaAs heterostructures by microwave time-of-flight technique

S. Khorram, K. L. Wang, T. Block, D. Streit

Research output: Contribution to journalArticlepeer-review

2 Citations (Scopus)

Abstract

An improved experimental method has been developed to study perpendicular carrier transport in heterostructures by a microwave time-of-flight technique. Transport properties of three samples, one with bulk GaAs, one with a AlGaAs barrier, and one with a AlGaAs/GaAs superlattice have been measured and analyzed in a comparative manner. A direct measurement of miniband conduction in superlattices is presented. The carrier velocity-field characteristic of GaAs/AlGaAs superlattice is measured in the field range of 10-40 kV/cm at 77 K.

Original languageEnglish
Pages (from-to)3491-3493
Number of pages3
JournalApplied Physics Letters
Volume63
Issue number25
DOIs
Publication statusPublished - 1993

All Science Journal Classification (ASJC) codes

  • Physics and Astronomy (miscellaneous)

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