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Composition profiling of InAs∕GaAs quantum dots

✍ Scribed by Lemaı^tre, A.; Patriarche, G.; Glas, F.


Book ID
121504313
Publisher
American Institute of Physics
Year
2004
Tongue
English
Weight
389 KB
Volume
85
Category
Article
ISSN
0003-6951

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We have studied the composition profiles of Stranski-Krastanov InAs/GaAs quantum dots grown on patterned nanohole arrays. Two dimensional surface chemical maps obtained by X-ray photoemission electron microscopy reveal a non-uniform composition profile similar to that of standard dots grown on plana