Imaging of electron standing waves in InAs/GaSb superlattices by low-temperature scanning tunneling spectroscopy

K. Suzuki, K. Kanisawa, S. Perraud, M. Ueki, K. Takashina, Yoshiro Hirayama

Research output: Contribution to journalConference articlepeer-review

4 Citations (Scopus)

Abstract

The local density of states at cleaved cross-sectional surfaces of InAs/GaSb superlattices were investigated by low-temperature scanning tunneling microscopy and spectroscopy (LT-STM/STS) with atomic resolution. Broken-gap energy band profiles (the overlap of the conduction band of InAs and the valence band of GaSb) were clearly seen in the LT-STS spectra as a function of growth direction. Clear images of electron standing waves confined in the superlattice were also obtained.

Original languageEnglish
Pages (from-to)643-646
Number of pages4
JournalPhysica Status Solidi C: Conferences
Volume3
Issue number3
DOIs
Publication statusPublished - 2006 May 8
Externally publishedYes
Event32nd International Symposium on Compound Semiconductors, ISCS-2005 - Rust, Germany
Duration: 2005 Sep 182005 Sep 22

ASJC Scopus subject areas

  • Condensed Matter Physics

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