In-situ Surface Recombination Measurement of Oxygen and Chlorine Atoms on Dynamic Stainless Steel Surfaces in Inductively Coupled O2 and Cl2 Plasmas
Bibliographic record
Abstract
We investigated the desorption dynamics of O2 and Cl2 molecules from electropolished stainless steel surfaces following Langmuir-Hinshelwood (i.e., delayed) heterogeneous recombination of oxygen and chlorine atoms, using the spinning-substrate technique. Near real-time elemental analysis by in-situ Auger electron spectroscopy showed that the stainless steel surface became rapidly coated with a Si-oxide-based layer (Fe:[Si+Al]:O = 1:2:9 for O2 and Fe:Si:O:Cl = 1:7:15:6 for Cl2), due to the slow erosion of the fused silica discharge tube and anodized Al chamber walls. For O atoms, the recombination probability was 0.09 {plus minus} 0.01 and was independent of the O flux impinging onto the surface. The recombination probability of Cl atoms ranged from 0.004 to 0.03 and increased with Cl-to-Cl2 number density ratio.
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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 | 0.000 | 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 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".