Abstract
The optical properties of an Er-implanted SiGe sample have been studied. Sharp and temperature-stable Er-related PL peaks were observed at around 1.5 μm, which correspond to the Er 4I13/2 to 4I15/2 transition. It was found that the Er ions form more than three noncubic luminescence centers in the SiGe host. Although the PL intensity quenches at high temperatures, the Er-related PL signal can still be observed at room temperature. For a Si0.87Ge0.13:Er sample annealed at 850°C for 20 min, the activation energy is 130 meV which is slightly smaller than that of the Er-doped Si.
| Original language | English |
|---|---|
| Pages (from-to) | 131-136 |
| Number of pages | 6 |
| Journal | Materials Research Society Symposium - Proceedings |
| Volume | 422 |
| DOIs | |
| Publication status | Published - 1996 |
| Event | Proceedings of the 1996 MRS Spring Symposium - San Francisco, CA, USA Duration: 1996 Apr 8 → 1996 Apr 11 |
All Science Journal Classification (ASJC) codes
- General Materials Science
- Condensed Matter Physics
- Mechanics of Materials
- Mechanical Engineering
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