Abstract
The Stark-ladder transitions in a type-II (GaAs)8/(AlAs) 8 superlattice are investigated under various uniform electric fields by using electroreflectance spectroscopy. The electroreflectance spectra suggest the existence of a Stark-ladder transition from the heavy-hole state in the Gamma valence band to the electron state in the X conduction band. The Stark ladders of the X miniband show a strong mixing with the Gamma miniband. The experimental data from electroreflectance measurements are compared with a theoretical calculation based on the tight-binding method, and reasonable agreement is found.
| Original language | English (US) |
|---|---|
| Article number | 010 |
| Pages (from-to) | 1810-1814 |
| Number of pages | 5 |
| Journal | Semiconductor Science and Technology |
| Volume | 9 |
| Issue number | 10 |
| DOIs | |
| State | Published - 1994 |
All Science Journal Classification (ASJC) codes
- Electronic, Optical and Magnetic Materials
- Condensed Matter Physics
- Electrical and Electronic Engineering
- Materials Chemistry
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