Electrochemical Performance of SiAlSn Films Prepared by Combinatorial Sputtering
Bibliographic record
Abstract
Amorphous alloys of Si and Sn exhibit large specific and volumetric capacities when cycled electrochemically vs. lithium. To improve the electrochemical performance of these materials, we explore here the effect of Al additions to the alloys. Combinatorial films of Si 1 − x − y Al x Sn y were prepared by magnetron sputtering and then analyzed for structure, composition, and electrochemical performance. If the film is amorphous, the voltage-capacity behavior of the Li / Si 1 − x − y Al x Sn y cell is smooth and the differential capacity vs. potential shows no sharp peaks, indicating homogeneous insertion of lithium. If the film contains crystalline material, the voltage-capacity relation shows plateaus and peaks are seen in the differential capacity, indicating inhomogeneous insertion of lithium. If the film is amorphous, capacity retention is generally good, while films containing crystalline material have poor capacity retention. A summary of specific capacity and reversible capacity as a function of composition is presented. © 2003 The Electrochemical Society. All rights reserved.
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How this classification was reachedexpand
Full frame machine prediction
Teacher imitationNot calibrated prevalence, not ground truth. Human validation pending. The Gemma side is a direct model label for every work in the frame, read from the title-only record. The Codex side is a classifier learned from the 10,348 direct Codex labels and calibrated to design-weighted sample rates; fields without enough sample support carry no Codex call. Candidate is the union of the two sides; consensus is their intersection. These outputs are machine_predicted_unvalidated and are not human labels.
Distilled classifier scores by category (both heads)
| 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) | 0.001 | 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 source (direct Gemma or distilled Codex), 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".