Abstract
A new negative differential resistance (NDR) device with a bulk barrier and resonant tunnelling structure has been prepared by molecular-beam epitaxy. A peak-to-valley current ratio up to 22 and a peak current density of l0 kAcm-2are obtained at room temperature. The former is the largest value ever reported in the AlGaAs/GaAs system. Higher power output also can be expected.
| Original language | English |
|---|---|
| Pages (from-to) | 339-342 |
| Number of pages | 4 |
| Journal | Philosophical Magazine Letters |
| Volume | 61 |
| Issue number | 6 |
| DOIs | |
| Publication status | Published - 1990 Jun |
All Science Journal Classification (ASJC) codes
- Condensed Matter Physics