Molecular Beam Epitaxial Growth of AlN Thin Films on Si through Exploiting Low Al Adatom Migration and the Nitrogen-Rich Environment on a Nanowire Template
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Bibliographic record
Abstract
In this work, we demonstrate an aluminum nitride (AlN) thin film on Si through exploiting the low Al adatom migration and the nitrogen (N)-rich environment on a nanowire template by molecular beam epitaxy. The AlN thin film is relatively smooth, and the X-ray diffraction experiments further suggest that the film is nearly strain free. In addition, the observation of 3 × 3 reconstruction from the reflection high-energy electron diffraction suggests that the AlN film is N-polar, which is further confirmed by chemical etching experiments. We further show that, using such an AlN thin film as a buffer layer, room-temperature ultraviolet-emitting aluminum gallium nitride (AlGaN) epilayers at various wavelengths can be obtained on Si.
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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 | 0.000 | 0.000 |
| Meta-epidemiology (narrow) | 0.000 | 0.000 |
| Meta-epidemiology (broad) | 0.000 | 0.000 |
| Bibliometrics | 0.000 | 0.000 |
| Science and technology studies | 0.000 | 0.000 |
| 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 it