Bismuth incorporation in GaAs<sub>1–x</sub>Bi<sub>x</sub> grown by molecular beam epitaxy with <i>in‐situ</i> light scattering
Bibliographic record
Abstract
Abstract The dilute bismide semiconductor GaAs1–xBix is an interesting new semiconductor alloy with novel properties and potential device applications. Like the dilute nitride alloy GaAs1–xNx, the dilute bismide shows a giant bandgap bowing effect. Bi alloying primarily affects the states in the vicinity of the top of the valence band rather than the bottom of the conduction band as in the case of N alloying. MBE growth of dilute bismides requires low growth temperatures (320‐390 °C) and near stochiometric group III/V ratios, due to the strong tendency of Bi to surface segregate under usual GaAs growth conditions. Optimal growth conditions are close to conditions that produce Bi and/or Ga droplets. In‐situ light scattering is found to be a useful tool for defining growth conditions that do not produce droplets on the surface. (© 2007 WILEY‐VCH Verlag GmbH & Co. KGaA, Weinheim)
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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".