Abstract
Room-temperature electroluminescence (EL) in the near infrared (λ ≈ 1.3 μm) has been observed from Ge/Si/Ge/Si1 - xGex quantum well (QW) diodes grown by molecular beam epitaxy (MBE). The QWs are grown on a p+-doped 〈100〉-Si substrates and consist of two thin Ge wells separated by a thicker Si middle layer. The whole structure is embedded in Si0.85Ge0.15 alloy layers situated on both sides. The structure was designed by pseudopotential calculations with a view to ensuring stability of the interband luminescence up to room temperature. The observed spectra are in good agreement with our theoretical predictions.
| Original language | English |
|---|---|
| Pages (from-to) | 15-20 |
| Number of pages | 6 |
| Journal | Journal of Crystal Growth |
| Volume | 157 |
| Issue number | 1-4 |
| DOIs | |
| State | Published - 2 Dec 1995 |
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