Abstract
A dramatic increase of the conduction band electron mass in a nitrogen-containing III-V alloy is reported. The mass is found to be strongly dependent on the nitrogen content and the electron concentration with a value as large as 0.4m0 in In0.08Ga0.92As0.967N0.033 with 6 × 1019 cm-3 free electrons. This mass is more than five times larger than the electron effective mass in GaAs and comparable to typical heavy hole masses in III-V compounds. The results provide a critical test and fully confirm the predictions of the recently proposed band anticrossing model of the electronic structure of the III-N-V alloys.
| Original language | American English |
|---|---|
| Pages (from-to) | 2409-2411 |
| Number of pages | 3 |
| Journal | Applied Physics Letters |
| Volume | 76 |
| Issue number | 17 |
| DOIs | |
| State | Published - 2000 |
NLR Publication Number
- NREL/JA-520-28630
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