Self-organized Cu nanowires on glass and Si substrates from sputter etching Cu/substrate interfaces
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Bibliographic record
Abstract
We have fabricated self-organized ∼30-nm-wide Cu lines on glass and Si(100) substrates by Ar beam etching the Cu/substrate interfaces. We deposited thin Cu layers on the substrates and etched the deposited layer by a neutralized Ar ion beam at a grazing angle of incidence. At the stage when almost all Cu is removed by etching, we have observed Cu lines on the substrate. The lines orientation is entirely controllable through the experiment geometry and the lines are basically similar on glass and Si substrates. By atomistic Monte Carlo simulations, we have demonstrated that the Cu lines result from the self-organized morphologies that develop on Cu surfaces during sputter etching. To better understand ways to control the process we have investigated, by simulations, the line width as a function of the removed depth, surface diffusivity, and Ar beam flux. We have concluded that the sputter etch technique offers a unique opportunity to fabricate controlled arrays of Cu lines on substrates.
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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 | 0.001 | 0.001 |
| 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)
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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