Properties of carbon-doped low-temperature GaAs and InP grown by solid-source molecular-beam epitaxy using CBr4
Bibliographic record
Abstract
Carbon-doped GaAs and InP grown at low temperatures by molecular-beam epitaxy contain a high concentration of antisite defects which gives rise to ultrafast carrier trapping time and desirable radiation-hard properties. The use of CBr4 as the dopant source introduced significant bromine incorporation during low-temperature (LT) growth. Incomplete dissociation of the CBr4 molecules gives rise to the formation of C–Br complexes and results in a reduction of electrically active carbon concentration. In this work, we present our studies on the incorporation mechanism of C and Br in LT-GaAs and report on the effect of carbon and bromine incorporation on carrier lifetime and concentration of arsenic antisite defects. Preliminary results on LT-InP:C characterization are also presented.
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How this classification was reachedexpand
Full frame distilled prediction
Teacher imitationNot calibrated prevalence, not ground truth. Human validation pending. Learned from the 10,348 direct Codex labels and 10,348 direct Gemma labels. Candidate is the union of thresholded teacher heads; consensus is their intersection. These outputs are machine_predicted_unvalidated and are not human labels or direct frontier model labels.
Codex and Gemma teacher scores by category
| Category | Codex | Gemma |
|---|---|---|
| Metaresearch | 0.001 | 0.000 |
| Meta-epidemiology (narrow) | 0.000 | 0.000 |
| Meta-epidemiology (broad) | 0.001 | 0.000 |
| Bibliometrics | 0.001 | 0.001 |
| Science and technology studies | 0.000 | 0.001 |
| Scholarly communication | 0.000 | 0.000 |
| Open science | 0.000 | 0.000 |
| Research integrity | 0.000 | 0.000 |
| Insufficient payload (model declined to judge) | 0.000 | 0.000 |
Machine scores (provisional)
The two teacher heads of the student model, read on this work. A score orders the frame for review; it never asserts a category, and the validation status ships verbatim with every row.
Baseline scores from an immature model (maturity gate not passed, 7 training rounds). Scores rank; they never assert a category.
score_only:v0-immature-baseline · verbatim from the scoring run: score_only means the number may rank works, and no category label ships from itClassification
machine, unvalidatedMachine predicted; a candidate call from one teacher head, not a consensus.
How this classification was reached, model by model and score by score, is at the end of the page under "How this classification was reached".