Hierarchical Al<sub>2</sub>O<sub>3</sub>Nanobelts and Nanowires: Morphology Control and Growth Mechanism
Why this work is in the frame
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Bibliographic record
Abstract
We report here a tunable synthesis of single crystalline hierarchical α-Al 2 O 3 nanobelts and nanowires by selectively applying a vapor−liquid−solid (VLS) and vapor−solid (VS) strategy in a chemical vapor process. The resultant nanostructures were characterized by scanning electron microscopy, transmission electron microscopy, high-resolution transmission electron microscopy, energy dispersive X-ray spectroscopy, and X-ray powder diffraction. The hierarchical nanobelts were generated by a noncatalytic oriented growth of Al 2 O 3 vertical to the {110} planes enclosed with {001} and {100} planes following a VS mode. The hierarchical nanowires were obtained through a catalytic growth in a VLS process. This well-controlled synthesis strategy is expected to be applicable to fabrication of other hierarchical nanobelts or nanowires.
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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) | 0.001 | 0.001 |
| Meta-epidemiology (broad) | 0.001 | 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