Size distribution effects on self-assembled InAs quantum dots
β Scribed by S. I. Jung; H. Y. Yeo; I. Yun; J. Y. Leem; I. K. Han; J. S. Kim; J. I. Lee
- Book ID
- 106397681
- Publisher
- Springer US
- Year
- 2007
- Tongue
- English
- Weight
- 218 KB
- Volume
- 18
- Category
- Article
- ISSN
- 0957-4522
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π SIMILAR VOLUMES
Molecular beam epitaxy has been used for growing self-assembled InAs quantum dots. A continuous variation of the InAs average coverage across the sample has been obtained by properly aligning the (001) GaAs substrate with respect to the molecular beam. Excitation of a large number of dots (laser spo
We have studied the interband excitations of an ensemble of InAs self-assembled quantum dots by detecting absorption directly in transmission experiments. The dots are embedded in a MISFET structure, allowing the dots' electron occupation to be controlled with a gate voltage. We show how Coulomb blo
Electronic coupling effects in self-assembled InAs quantum dots are investigated using capacitance and far-infrared (FIR) spectroscopy. Coupling between different dot-layers is studied using capacitance spectroscopy on samples with double-layers of vertically aligned quantum dots. A strong electrost