Copper nanopattern on SiO2 from sputter etching a Cu∕SiO2 interface
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Bibliographic record
Abstract
We have observed a Cu nanostructure self-assembled on a SiO2 substrate during ion beam etching the Cu∕SiO2 interface. We have deposited a thin Cu layer on a glass substrate and etched the deposited layer by a neutralized argon ion beam. At the stage when almost all metal is removed by etching, we have observed an ∼20-nm-sized Cu pattern on the substrate. By atomistic Monte Carlo simulations we have demonstrated that during sputter etching, a morphology self-organizes on the surface of the Cu layer whose size and shape matches the observed Cu nanostructure. We conclude that the observed Cu nanopattern on the substrate results from the surface morphology developed by sputter instability during etching of the deposited layer.
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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 | 0.002 |
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