DocumentCode
2090609
Title
Spatial diffusion of carriers in a quantum dot system grown by shadow mask controlled epitaxy
Author
Mackowski, Seb ; Gurung, T. ; Jackson, R.E. ; Smith, L.M. ; Schallenberg, T. ; Brunner, K. ; Molenkamp, L.W.
Author_Institution
Dept. of Phys., Cincinnati Univ., OH
fYear
2004
fDate
21-21 May 2004
Firstpage
902
Lastpage
903
Abstract
We use slit-confocal microscopy to study spatial diffusion of carriers between quantum dot ensembles coupled through a wide wire-like barrier. When carriers are photo-excited above in this barrier the diffusion on a scale of 5 microns has been observed
Keywords
II-VI semiconductors; carrier mobility; masks; molecular beam epitaxial growth; optical microscopy; photoexcitation; photoluminescence; semiconductor quantum dots; photoexcitation; quantum dot ensembles; shadow mask controlled epitaxy; slit-confocal microscopy; spatial carrier diffusion;
fLanguage
English
Publisher
ieee
Conference_Titel
Quantum Electronics Conference, 2004. (IQEC). International
Conference_Location
San Francisco, CA
Print_ISBN
1-55752-778-4
Type
conf
Filename
1367058
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