Spatial imaging of two-dimensional electronic states in semiconductor quantum wells

K. Suzuki, K. Kanisawa, C. Janer, S. Perraud, K. Takashina, T. Fujisawa, Y. Hirayama

研究成果: Article査読

34 被引用数 (Scopus)

抄録

We measure the spatial distribution of the local density of states (LDOS) at cleaved surfaces of InAs/GaSb isolated quantum wells and double quantum wells (DQWs) by low-temperature scanning tunneling spectroscopy. Distinct standing wave patterns of LDOS corresponding to subbands are observed. These LDOS patterns and subband energies agree remarkably well with simple calculations with tip-induced band bending. Furthermore, for the DQWs, coupling of electronic states between the quantum wells is also clearly observed.

本文言語English
論文番号136802
ジャーナルPhysical Review Letters
98
13
DOI
出版ステータスPublished - 2007 3 28

ASJC Scopus subject areas

  • Physics and Astronomy(all)

フィンガープリント 「Spatial imaging of two-dimensional electronic states in semiconductor quantum wells」の研究トピックを掘り下げます。これらがまとまってユニークなフィンガープリントを構成します。

引用スタイル