Atmospheric-pressure spatial chemical vapor deposition of tungsten oxide
Bibliographic record
Abstract
Atmospheric-pressure spatial atomic layer deposition (AP-SALD) and atmospheric-pressure spatial chemical vapor deposition (AP-SCVD) are rapid, open-air techniques for the deposition of conformal, pinhole-free films over large areas. In this work, a precursor nebulizer and an ozone generator are incorporated into an AP-SALD system to enable the deposition of tungsten oxide (WO3) films by AP-SCVD. The precursors bis(t-butylimido) bis(dimethylamino) tungsten(VI) and ozone are used with a film deposition temperature of 350 °C to achieve a growth per cycle of 1.2 Å/cycle. A bandgap of 3.26 eV and a refractive index of 2.36 were obtained, consistent with the previous reports for WO3 films. The pinhole-free films were found to be a mixture of hexagonal and monoclinic WO3, with an increasing monoclinic nature after annealing. Additionally, the as-deposited film was substoichiometric with an O/W ratio of 2.3, which increased to 2.36 after annealing at 450 °C. The successful open-air deposition of tungsten oxide via the incorporation of a precursor nebulizer and ozone generator paves the way for large-area deposition of tungsten oxide for commercial applications.
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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 | 0.000 | 0.001 |
| Science and technology studies | 0.000 | 0.001 |
| Scholarly communication | 0.000 | 0.001 |
| Open science | 0.001 | 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".