Abstract
Structures with real space separate confinement of electrons and holes can cause both
blue- and redshifting of the absorption edge. Such a separate confinemnt can be achieved in a composite well structure, with materials with reverse band offset ratio with respect to the barrier.
We made use of InAsyP1-y and GaxIn1-xAs squantum wells surrounded by InP barriers. Both wells are about 4 nm thick and are separated by 1 nm InP. The structures were grown by Chemical Beam Epitaxy in a p-i-n structure. It was found that an electric field of about 30kV/cm produces a blue shift of 25 meV.
| Original language | English |
|---|---|
| Title of host publication | Proceedings of the 5th annual symposium of the IEEE/LEOS Benelux Chapter : October 30, 2000, Delft , the Netherlands |
| Editors | X.J.M. Leijtens, J.H. Besten, den |
| Place of Publication | Delft |
| Publisher | Technische Universiteit Delft |
| Pages | 167-170 |
| ISBN (Print) | 90-9014260-6 |
| Publication status | Published - 2000 |
| Event | 5th Annual Symposium of the IEEE/LEOS Benelux Chapter - Delft, Netherlands Duration: 30 Oct 2000 → 30 Oct 2000 |
Conference
| Conference | 5th Annual Symposium of the IEEE/LEOS Benelux Chapter |
|---|---|
| Country/Territory | Netherlands |
| City | Delft |
| Period | 30/10/00 → 30/10/00 |
| Other | IEEE/LEOS symposium |
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